PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FUEL LINES ON CERTAIN C32 MARINE ENGINES
Usage:
REBE6634-01
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09Mar2011 |
(Revised 26May2011) |
U-95
A-78
D-84
O-88
TM-11
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Safety | PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FUEL LINES ON CERTAIN C32 MARINE ENGINES |
|
1712 1274 1261 | PI10846 |
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NOTE: | This Program must be administered as soon as possible.
When reporting the repair, use "PI10846" as the Part Number and "7751" as the Group Number, "56" as the Warranty Claim
Description Code and "T" as the SIMS Description Code.
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NOTE: | This Revised Service Letter replaces the 9 March 2011 Service Letter. Changes have been made to the Service Claim Allowances, Parts List, and Rework Procedure. |
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PROBLEM
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The fuel lines need to be replaced on certain C32 Marine Engines. The existing fuel lines can develop leaks which can become a potential fire hazard and may, in conjunction with other factors or circumstances, result in a risk of personal injury or death. |
AFFECTED PRODUCT
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Model | Identification Number |
*******Group 1******* | |
C32 | RND00143, 145, 166, 192, 228, 235, 256-257, 268-269, 319, 321 RNX00135-00136, 154-158, 163, 182, 188-191, 193-197, 199-201, 209-212, 215, 224-227, 245-247, 250, 252, 272-279, 284, 288 RNY00124, 126, 135, 142-143, 164, 167, 175, 190-191, 197-198, 214, 222, 229, 234-235, 239, 244-245, 248-249, 251, 253, 255, 260-261, 263, 276, 293, 302, 304, 312, 314, 317-318, 320, 333, 338, 340, 342, 346, 349, 352, 355, 361, 365-367, 387, 389, 396, 402-403, 407, 413, 424, 430-432, 434-435, 437, 440, 447, 471, 474, 476-477, 479, 484-485, 491, 496-497, 503, 506-507, 511, 516, 519, 529, 534-538, 549, 557, 569-570, 574, 577, 580, 586, 588-589, 591, 596, 599, 602, 606, 609, 618-619, 633, 635, 639, 647-648, 651, 681, 703, 708, 722-723, 735, 739 |
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*******Group 2******* | |
C32 | RND00123, 125-136, 148, 151, 156, 161, 163, 167-168, 170-171, 178, 185-186, 191, 206, 208-209, 211, 213, 215-216, 219, 223, 225, 231, 238, 244, 246-247, 251, 253, 273, 279, 306, 339 RNE00112 RNX00142, 146, 165, 171-172, 174-177, 180-181, 183-186, 203, 214, 216, 221, 223, 231-232 RNY00102, 105, 108-111, 113, 121, 133, 165, 179-180, 186, 188, 194, 209, 217-219, 223-224, 227, 237, 247, 250, 252, 259, 267-268, 270, 277-278, 283, 289, 291, 295, 298, 300-301, 306-307, 311, 323, 343-344, 354, 369, 372, 377, 388, 391, 393-394, 398, 404, 455, 458, 472, 498, 510, 517, 525, 528, 540, 548, 604, 615, 620, 668, 710, 749 |
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*******Group 3******* | |
C32 | RND00144, 146, 165, 194, 221, 229, 245, 254, 274-275, 286-297, 318, 322 RNE00103-00105, 120-129, 131, 134-140 RNX00101, 104-108, 122, 125, 127-129, 152, 161-162, 164, 168-170, 173, 178-179, 192, 213, 217, 220, 222, 228, 233, 254-256, 265, 267-271, 283, 286-287, 289-292 RNY00119, 123, 128, 136, 153, 166, 176, 183, 203-204, 211, 213, 220-221, 225-226, 228, 230-233, 236, 238, 240-243, 246, 254, 257-258, 262, 264-266, 284, 292, 294, 296, 303, 308, 313, 316, 321, 324, 326-327, 330-331, 335, 348, 358, 360, 362-363, 392, 395, 397, 401, 406, 408, 412, 414, 418-419, 422, 425-427, 433, 441-446, 454, 457, 462, 468-470, 475, 478, 481, 483, 488-489, 492, 494-495, 502, 504-505, 509, 531, 533, 539, 541, 544, 546-547, 551-554, 556, 558, 564, 566-568, 571, 575-576, 578, 582-583, 587, 590, 592, 595, 598, 600, 621, 629, 641-642, 644-646, 650, 663, 704, 707, 709, 713-714, 716, 726-727, 736, 738 |
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*******Group 4******* | |
C32 | RND00124, 147, 149-150, 152-155, 157, 162, 164, 169, 172-175, 177, 179-184, 187-190, 195-197, 199, 201-205, 207, 210, 218, 220, 222, 224, 226-227, 232, 234, 236-237, 239-243, 248-250, 258-262, 264-265, 272, 278, 305, 320, 323-325, 337-338 RNE00102, 106-111, 113-119, 132-133 RNX00109-00110, 112, 116-117, 130, 137-141, 143-145, 147-151, 153, 159-160, 166-167, 187, 198, 202, 204-208, 218-219, 229-230, 234-238, 240-241, 251, 253, 257-258, 263 RNY00103-00104, 106-107, 115, 118, 120, 125, 141, 163, 174, 181-182, 184-185, 187, 192-193, 199-200, 202, 207-208, 212, 215-216, 274-275, 310, 322, 329, 336, 341, 345, 350-351, 371, 376, 381-383, 390, 410, 416-417, 420, 438-439, 452, 456, 459-460, 473, 490, 493, 508, 514-515, 521-524, 526-527, 532, 543, 545, 550, 555, 560, 563, 565, 573, 579, 594, 611-612, 616, 634, 643, 670-671, 673, 682, 684-685, 690, 701, 705, 728-731, 754, 760, 763-764, 766-768, 770, 773 |
PARTS NEEDED
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Qty |
Part Number | Description |
*******Group 1******* | ||
6 | 1P1376 | CONNECTOR-STOR |
4 | 4L6454 | BOLT |
3 | 4L6459 | BOLT |
1 | 4P7581 | CLIP-LADDER |
14 | 5P1075 | WASHER-HARD |
1 | 5P2424 | BOLT |
4 | 5P4116 | WASHER-HARD |
4 | 5S7379 | BOLT |
1 | 5V9221 | SPACER |
1 | 6D3479 | CLIP |
2 | 6V3917 | SEAL-O-RING |
4 | 6V8189 | NUT-FULL |
1 | 6V8722 | ADAPTER-ELBOW |
17 | 6V8801 | NUT |
1 | 6V9852 | ADAPTER-ELBOW |
2 | 7V6571 | GROMMET |
3 | 7X0288 | BOLT |
1 | 7X0732 | WASHER-HARD |
1 | 8M0505 | ADAPTER-STR |
1 | 8S0023 | CLIP |
1 | 8S0024 | CLIP |
1 | 8T0315 | SEAL-O-RING-ORFS |
1 | 8T1576 | ADAPTER-STR |
6 | 8T1887 | CLIP |
6 | 8T1888 | CLIP |
2 | 8T1889 | CLIP-2 PIECE |
2 | 8T1890 | CLIP-2 PIECE |
2 | 8T2502 | BOLT |
1 | 8T4223 | WASHER-HARD |
25 | 8T4896 | WASHER-HARD |
4 | 9B7237 | BOLT |
1 | 9M4136 | SPACER |
2 | 9S8005 | PLUG-STOR |
1 | 0908635 | SPACER |
1 | 1220450 | GROMMET |
1 | 1293172 | STUD-BOLT |
1 | 1700610 | STUD-BOLT |
6 | 2147568 | SEAL-O-RING-STOR |
3 | 2287090 | SEAL-O-RING-ORFS |
2 | 2287091 | SEAL-O-RING-ORS |
1 | 2314708 | SEAL-O-RING |
4 | 2373759 | STUD-BOLT |
5 | 2385080 | SEAL-O-RING-STOR |
1 | 2385081 | SEAL-O-RING-STOR |
2 | 2950758 | INDICATOR-FUEL |
1 | 2971456 | BRACKET |
2 | 3256994 | CLIP-HALF SLOT |
2 | 3256995 | CLIP-HALF TAB |
2 | 3274448 | VALVE GP-CHECK-A |
1 | 3394983 | KIT-SPRING |
2 | 3537956 | GROMMET |
6 | 3537957 | GROMMET |
1 | 3644034 | MANIFOLD-FUEL |
1 | 3645893 | HOSE AS-FUEL |
1 | 3645898 | HOSE AS-FUEL |
2 | 3645899 | HOSE AS-FUEL |
1 | 3645900 | BRACKET AS |
1 | 3645901 | BRACKET AS-(LH) |
1 | 3648552 | TUBE AS-FUEL |
1 | 3648677 | HOSE AS-FUEL |
1 | 3648678 | TUBE AS-FUEL |
1 | 3649371 | HOSE AS-FUEL |
1 | 3650505 | HOSE AS-FUEL |
1 | 3650657 | HOSE AS-FUEL |
1 | 3655173 | BRACKET AS |
1 | 3672067 | HOSE AS-FUEL |
1 | 3678542 | BRACKET AS |
1 | 3678637 | HOSE AS-FUEL |
1 | 3679987 | BRACKET |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 45% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer. | ||
*******Group 2******* | ||
6 | 1P1376 | CONNECTOR-STOR |
4 | 4L6454 | BOLT |
3 | 4L6459 | BOLT |
1 | 4P7581 | CLIP-LADDER |
14 | 5P1075 | WASHER-HARD |
4 | 5P4116 | WASHER-HARD |
4 | 5S7379 | BOLT |
1 | 6D3479 | CLIP |
2 | 6V3917 | SEAL-O-RING |
4 | 6V8189 | NUT-FULL |
1 | 6V8722 | ADAPTER-ELBOW |
17 | 6V8801 | NUT |
1 | 6V9852 | ADAPTER-ELBOW |
2 | 7V6571 | GROMMET |
3 | 7X0288 | BOLT |
1 | 7X0732 | WASHER-HARD |
1 | 8M0505 | ADAPTER-STR |
1 | 8S0023 | CLIP |
1 | 8S0024 | CLIP |
1 | 8T0315 | SEAL-O-RING-ORFS |
1 | 8T1576 | ADAPTER-STR |
6 | 8T1887 | CLIP |
6 | 8T1888 | CLIP |
2 | 8T1889 | CLIP-2 PIECE |
2 | 8T1890 | CLIP-2 PIECE |
2 | 8T2502 | BOLT |
25 | 8T4896 | WASHER-HARD |
4 | 9B7237 | BOLT |
1 | 9M4136 | SPACER |
2 | 9S8005 | PLUG-STOR |
1 | 0908635 | SPACER |
1 | 1220450 | GROMMET |
1 | 1293172 | STUD-BOLT |
1 | 1700610 | STUD-BOLT |
6 | 2147568 | SEAL-O-RING-STOR |
3 | 2287090 | SEAL-O-RING-ORFS |
2 | 2287091 | SEAL-O-RING-ORS |
1 | 2314708 | SEAL-O-RING |
4 | 2373759 | STUD-BOLT |
5 | 2385080 | SEAL-O-RING-STOR |
1 | 2385081 | SEAL-O-RING-STOR |
2 | 2950758 | INDICATOR-FUEL |
1 | 2971456 | BRACKET |
2 | 3256994 | CLIP-HALF SLOT |
2 | 3256995 | CLIP-HALF TAB |
2 | 3274448 | VALVE GP-CHECK-A |
1 | 3394983 | KIT-SPRING |
2 | 3537956 | GROMMET |
6 | 3537957 | GROMMET |
1 | 3644034 | MANIFOLD-FUEL |
1 | 3645893 | HOSE AS-FUEL |
1 | 3645898 | HOSE AS-FUEL |
2 | 3645899 | HOSE AS-FUEL |
1 | 3645900 | BRACKET AS |
1 | 3645901 | BRACKET AS-(LH) |
1 | 3648552 | TUBE AS-FUEL |
1 | 3648678 | TUBE AS-FUEL |
1 | 3649371 | HOSE AS-FUEL |
1 | 3650506 | HOSE AS-FUEL |
1 | 3650657 | HOSE AS-FUEL |
1 | 3655173 | BRACKET AS |
1 | 3672067 | HOSE AS-FUEL |
1 | 3678542 | BRACKET AS |
1 | 3678637 | HOSE AS-FUEL |
1 | 3679987 | BRACKET |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 45% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer. | ||
*******Group 3******* | ||
6 | 1P1376 | CONNECTOR-STOR |
3 | 4L6454 | BOLT |
3 | 4L6459 | BOLT |
10 | 5P1075 | WASHER-HARD |
1 | 5P2424 | BOLT |
4 | 5P4116 | WASHER-HARD |
4 | 5S7379 | BOLT |
1 | 5V9221 | SPACER |
1 | 6D3479 | CLIP |
2 | 6V3917 | SEAL-O-RING |
4 | 6V8189 | NUT-FULL |
12 | 6V8801 | NUT |
1 | 6V8982 | ADAPTER-ELBOW |
1 | 6V9851 | ADAPTER-ELBOW |
2 | 7V6571 | GROMMET |
3 | 7X0288 | BOLT |
1 | 7X0732 | WASHER-HARD |
1 | 8M0505 | ADAPTER-STR |
2 | 8S0023 | CLIP |
2 | 8S0024 | CLIP |
1 | 8T0315 | SEAL-O-RING-ORFS |
3 | 8T1887 | CLIP |
3 | 8T1888 | CLIP |
2 | 8T1889 | CLIP-2 PIECE |
2 | 8T1890 | CLIP-2 PIECE |
1 | 8T2502 | BOLT |
1 | 8T4223 | WASHER-HARD |
19 | 8T4896 | WASHER-HARD |
2 | 9B7237 | BOLT |
1 | 9M4136 | SPACER |
2 | 9S8005 | PLUG-STOR |
1 | 0908635 | SPACER |
1 | 0919035 | SPACER |
2 | 1220450 | GROMMET |
1 | 1269903 | CONNECTOR |
1 | 1293172 | STUD-BOLT |
1 | 1367227 | SEAL-O-RING |
1 | 1569791 | CONNECTOR-ORFS |
2 | 1700610 | STUD-BOLT |
6 | 2147568 | SEAL-O-RING-STOR |
2 | 2287090 | SEAL-O-RING-ORFS |
2 | 2287091 | SEAL-O-RING-ORS |
1 | 2314708 | SEAL-O-RING |
4 | 2373759 | STUD-BOLT |
5 | 2385080 | SEAL-O-RING-STOR |
2 | 2950758 | INDICATOR-FUEL |
1 | 2971456 | BRACKET |
2 | 3256994 | CLIP-HALF SLOT |
2 | 3256995 | CLIP-HALF TAB |
2 | 3274448 | VALVE GP-CHECK-A |
1 | 3394983 | KIT-SPRING |
2 | 3537956 | GROMMET |
3 | 3537957 | GROMMET |
1 | 3644034 | MANIFOLD-FUEL |
1 | 3645893 | HOSE AS-FUEL |
1 | 3645895 | HOSE AS-FUEL |
1 | 3645897 | TUBE AS-FUEL |
1 | 3645898 | HOSE AS-FUEL |
2 | 3645899 | HOSE AS-FUEL |
1 | 3645900 | BRACKET AS |
1 | 3645901 | BRACKET AS-(LH) |
1 | 3648546 | HOSE AS-FUEL |
1 | 3648547 | HOSE AS-FUEL |
1 | 3648548 | HOSE AS-FUEL |
1 | 3655597 | HOSE AS-FUEL |
1 | 3678542 | BRACKET AS |
1 | 3678637 | HOSE AS-FUEL |
1 | 3679987 | BRACKET |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 45% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer. | ||
*******Group 4******* | ||
6 | 1P1376 | CONNECTOR-STOR |
4 | 4L6454 | BOLT |
3 | 4L6459 | BOLT |
12 | 5P1075 | WASHER-HARD |
4 | 5P4116 | WASHER-HARD |
4 | 5S7379 | BOLT |
1 | 6D3479 | CLIP |
4 | 6V8189 | NUT-FULL |
15 | 6V8801 | NUT |
1 | 6V8982 | ADAPTER-ELBOW |
1 | 6V9851 | ADAPTER-ELBOW |
2 | 7V6571 | GROMMET |
3 | 7X0288 | BOLT |
1 | 7X0732 | WASHER-HARD |
1 | 8M0505 | ADAPTER-STR |
2 | 8S0023 | CLIP |
2 | 8S0024 | CLIP |
3 | 8T1887 | CLIP |
3 | 8T1888 | CLIP |
3 | 8T1889 | CLIP-2 PIECE |
3 | 8T1890 | CLIP-2 PIECE |
2 | 8T2502 | BOLT |
32 | 8T4896 | WASHER-HARD |
3 | 9B7237 | BOLT |
1 | 9M4136 | SPACER |
2 | 9S8005 | PLUG-STOR |
1 | 0908635 | SPACER |
1 | 0919035 | SPACER |
2 | 1220450 | GROMMET |
1 | 1269903 | CONNECTOR |
1 | 1293172 | STUD-BOLT |
1 | 1367227 | SEAL-O-RING |
1 | 1569791 | CONNECTOR-ORFS |
2 | 1700610 | STUD-BOLT |
6 | 2147568 | SEAL-O-RING-STOR |
2 | 2287090 | SEAL-O-RING-ORFS |
3 | 2287091 | SEAL-O-RING-ORS |
4 | 2373759 | STUD-BOLT |
5 | 2385080 | SEAL-O-RING-STOR |
2 | 2950758 | INDICATOR-FUEL |
1 | 2971456 | BRACKET |
2 | 3256994 | CLIP-HALF SLOT |
2 | 3256995 | CLIP-HALF TAB |
2 | 3274448 | VALVE GP-CHECK-A |
1 | 3394983 | KIT-SPRING |
1 | 3503657 | BRACKET AS |
1 | 3537953 | GROMMET |
2 | 3537956 | GROMMET |
3 | 3537957 | GROMMET |
1 | 3644034 | MANIFOLD-FUEL |
1 | 3645893 | HOSE AS-FUEL |
1 | 3645897 | TUBE AS-FUEL |
1 | 3645898 | HOSE AS-FUEL |
2 | 3645899 | HOSE AS-FUEL |
1 | 3645900 | BRACKET AS |
1 | 3645901 | BRACKET AS-(LH) |
1 | 3648546 | HOSE AS-FUEL |
1 | 3648547 | HOSE AS-FUEL |
1 | 3648548 | HOSE AS-FUEL |
1 | 3648551 | HOSE AS-FUEL ? |
1 | 3678542 | BRACKET AS |
1 | 3678637 | HOSE AS-FUEL |
1 | 3679987 | BRACKET |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 45% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer. |
ACTION REQUIRED
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Replace the existing fuel lines with the new fuel lines. Refer to the attached Rework Procedure. |
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OWNER NOTIFICATION
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U.S. and Canadian owners will receive the attached Owner Notification. |
SERVICE CLAIM ALLOWANCES
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NOTE: This is a 15.0-hour job for Group 1 | |||||
This includes all preparation work, parts handling, and an additional 1.0 hour to paint fuel lines and touch up. There is a $30 miscellaneous allowance for purchase of paint to match the engine. There is a $280 miscellaneous allowance for purchase of SOLAS tape (if required by Marine Classification Society). There is a $50 miscellaneous allowance for purchase of additional parts not called out on this service letter. |
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NOTE: This is a 15.0-hour job for Group 2 | |||||
This includes all preparation work, parts handling, and an additional 1.0 hour to paint fuel lines and touch up. There is a $30 miscellaneous allowance for purchase of paint to match the engine. There is a $280 miscellaneous allowance for purchase of SOLAS tape (if required by Marine Classification Society). There is a $50 miscellaneous allowance for purchase of additional parts not called out on this service letter. |
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NOTE: This is a 15.0-hour job for Group 3 | |||||
This includes all preparation work, parts handling, and an additional 1.0 hour to paint fuel lines and touch up. There is a $30 miscellaneous allowance for purchase of paint to match the engine. There is a $280 miscellaneous allowance for purchase of SOLAS tape (if required by Marine Classification Society). There is a $50 miscellaneous allowance for purchase of additional parts not called out on this service letter. |
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NOTE: This is a 15.0-hour job for Group 4 | |||||
This includes all preparation work, parts handling, and an additional 1.0 hour to paint fuel lines and touch up. There is a $30 miscellaneous allowance for purchase of paint to match the engine. There is a $280 miscellaneous allowance for purchase of SOLAS tape (if required by Marine Classification Society). There is a $50 miscellaneous allowance for purchase of additional parts not called out on this service letter. |
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PARTS DISPOSITION
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Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE. |
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COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS XYZ Corporation 3240 Arrow Drive Anywhere, YZ 99999 SAFETY - PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE FUEL LINES MODELS INVOLVED - C32 Marine Engines Dear Caterpillar Product Owner: The fuel lines need to be replaced on the products listed below. The existing fuel lines can can develop leaks which can become a potential fire hazard and may, in conjunction with other factors or circumstances, result in a risk of personal injury or death. You will not be charged for the service performed. Contact your local Caterpillar dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service. Please refer the dealer to their Service Letter dated 09Mar2011 when scheduling this service. We regret the inconvenience this may cause you, but urge you to have this service performed for your added safety and satisfaction. Caterpillar Inc. Identification #(s) Attached to 09Mar2011 Service Letter |
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Group Number 1 |
This rework procedure is for updating Left Hand Service Marine / Commercial Engines built with Duplex Fuel Filters and a front housing that incorporates "rounded" style front housing as shown in Image 1.1.1. This procedure will outline the conversion to the new 364-5890 Main Fuel Lines Group, 364-6616 Duplex Fuel Filter Group, and 364-6618 Fuel Cooler Group. If you encounter a front housing dissimilar to the images in this service letter please contact your Marine Customer Service Representative for guidance. For torque specifications reference media number SENR3130. Note: It is critical that the correct rework group is identified by engine serial number and that the rework is followed step by step to ensure that incorrect assembly does not occur. |
Image1.1.1 |
Caution: Ensure the engine is shut down and steps have been taken to prevent any attempt to start the engine while fuel hoses are being updated. Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Step 1: To allow access to the fuel system, remove both the right and left hand air cleaner assemblies from the turbochargers. Step 2: To allow access to the fuel transfer pump, remove the 310-3144 Air Tube as seen in Image 1.2.1 which connects the turbocharger to the aftercooler. NOTE: Two 6V-3917 O-Rings are required to reinstall the air tube. Step 3: Remove the 275-0190 Coolant Tube which connects the turbocharger to the cylinder head shown in Image 1.2.1. The 8T-0833 Service Tool can be used to aid the removal of the 275-0190 Coolant Tube. NOTE: The 231-4708 O-Ring is required to reinstall the 275-0190 Coolant Tube. The 275-0191 Tube may also need to be moved for additional clearance. To reinstall the 275-0191 Tube the 8T-0315 O-Ring may be required. |
Image1.2.1 |
Step 4: To allow access to the fuel fittings that connect the left front head to the fuel lines, the 294-3315 Fuel Filter Base Assembly, 296-3691 Fuel Filter Bracket, and 269-6440 Fuel Filter Mounting Bracket will need to be removed. Step 5: Remove the old fuel lines called out in Image 1.3.1. |
Image1.3.1 |
Step 6: Remove the four 030-7937 Stand-off Connectors and 214-7568 O-Rings that are located on all four outer corners of the engine cylinder heads. NOTE: Use of the appropriate crowfoot wrench from the 5P-0336 Wrench Set will aid in the removal and installation of fuel system fittings and lines. Step 7: Remove the existing fuel pressure regulating valves located in the fuel pressure regulating blocks at the front of each side of the engine above the front valve covers. Step 8: Install two new 327-4448 Check Valves. Ensure these fuel pressure regulating valves are tightened to a torque of 28 Nm (20.6 ft-lb). Refer to Special Instruction, REHS5025. Step 9: Remove the existing fuel transfer pump spring kit and install the new 339-4983 Spring Kit to convert the existing fuel transfer pump to the higher pressure 331-3635 Pump. The new spring is shown in Image 1.4.1. Step 10: Remove the washers from beneath the stud bolts that mount the 297-1458 Brackets from both sides of the engine shown in Image 1.4.2. Step 11: Reinstall the mounting stud bolts and 297-1458 Brackets. |
Image1.4.1 |
Image1.4.2 |
NOTES: - To install the new fuel lines reference Images 1.5.1 though 1.5.5. For more detailed images reference the fuel lines groups in SIS WEB. When installing fuel lines that incorporate a hose assembly, a back-up wrench must be used to prevent any hose twisting and undo stress to the fuel lines. - When installing these new fuel lines the wiring harness will need to be re-routed in some areas to prevent interference. - Fuel line installation best practices should be followed. All fuel line connections should first be installed hand tight, all clips and clamps should then be installed, and finally all fuel connections should be tightened to the correct torque value. - All of the fuel lines metal surfaces and mounting hardware must be painted to match the engine prior to installation to prevent rusting. Ensure that all ends of the fuel lines are capped during the handling and paint process to prevent fuel system contamination. |
Image1.5.1 |
Image1.5.2 |
Image1.5.3 |
Image1.5.4 |
Image1.5.5 |
Image1.5.6 |
Step 12: Install four 1P-1376 Stand-off Connectors with four 214-7568 O-Rings located on all four outer corners of the cylinder heads. See the example at Detail G on Image 1.5.3. Step 13: Install the 364-8552 Tube Assembly to the fuel transfer pump inlet and the 364-8678 Tube Assembly to the fuel transfer pump outlet. Tighten both connections at the transfer pump to a torque of 55 Nm (40.6 ft-lb) as shown in Image 1.5.1. Step 14: Install the 364-5893 Hose Assembly and the 364-5898 Hose Assembly ensuring to properly tighten this connection as shown in Detail G on Image 1.5.3. Step 15: Install two of the previously removed fuel line clamp assemblies from the old fuel lines at locations shown in Detail C and Detail D in Image 1.5.1 and 1.5.3. Installation of these fuel line clamp assemblies will require two 4L-6459 Bolts, four 8T-4896 Washers, two 5P-4116 Washers, two 6V-8189 Nuts, two 237-3759 Stud Bolts, and two 6V-8801 Nuts for both of the clamp assemblies. The old 297-1456 Brackets that are already on the engine should be swapped with the bolts in this location. Step 16: Install the 364-9371 Hose Assembly as shown in Image 1.5.1. The 228-7090 O-Ring is required between the 364-8552 Tube Assembly and the 364-9371 Hose Assembly. Step `7: To secure the 364-5893 Hose Assembly install the 5P-4116 Washer, 6V-8189 Nut, 367-9987 Bracket, 8T-4896 Washer, 6V-8801 Nut, 4L-6454 Bolt, 5P-1075 Washer, 325-6994 Half Clip, 325-6995 Half Clip, 237-3759 Stud Bolt, and 353-7956 Grommet as shown at Item 1 on Detail E (Left hand side of engine). Step 18: To secure the 364-8678 Tube Assembly to the 367-9987 Bracket install the P-clip at Item 2 on Detail E. Installation will require the 7X-0288 Bolt, 5P-1075 Washer, 8T-4896 Washer, 6V-8801 Nut, 8T-1887 Clip, 8T-1888 Clip, 353-7957 Grommet, and 9M-4136 Spacer. Step 19: Install a fuel line clamp assembly previously removed from the old lines as shown in Detail B on Image 1.5.1 and 1.5.3. Step 20: To secure the 364-5898 Hose Assembly shown in Detail F (Right hand side of the engine) on Image 1.5.1 and Image 1.5.3, install the 5P-4116 Washer, 6V-8189 Nut, 297-1456 Bracket, 325-6994 Half Clip, 325-6995 Half Clip, 353-7956 Grommet, 6V-8801 Nut, two 8T-4896 Washers, 237-3759 Stud Bolt, and 8T-2502 Bolt. Step 21: Install a fuel line clamp assembly previously removed from the old lines as shown in Detail A on Image 1.5.1 and 1.5.3. Step 22: Install the 364-5900 Bracket to the right hand front housing support with two 5S-7379 Bolts and two 5P-1075 Washers shown as Item 1 in Detail L. Step 23: Install the 364-5901 Bracket to the left hand front housing support with two 5S-7379 Bolts and two 5P-1075 Washers shown as Item 1 in Detail I. Step 24: Install the 170-0610 Stud Bolt (Item 2 in Detail J) and the 367-8542 Bracket (Item 1 in Detail J) with two 6V-8801 Nuts and two 8T-4896 Washers. |
Step 25A: Sub assemble the 364-4034 Manifold Block by installing the two 1P-1376 Connectors with two 214-7568 O-Rings (see Item 4 in Detail J) to the manifold and tighten to a torque of 48 Nm (35.4 ft-lb). Step 25B: Install the 8M-0505 Adapter with 238-5080 O-Ring (Item 5 in Detail J) to the manifold and tighten to a torque of 55 Nm (40.5 ft-lb). Step 25C: In the remaining two ports (not shown) install two 9S-8005 Plugs with two 238-5080 O-Rings and tighten to a torque of 70 Nm (51.6 ft-lb). Step 25D: Install the 364-4034 Manifold to the 367-8542 Bracket using two 7X-0288 Bolts and two 8T-4896 Washers (see Item 6 in Detail J). Step 26: To secure the 364-9371 Hose Assembly to the 364-5901 Bracket shown at Item 4 in Detail I, install two 5P-1075 Washers, 8T-1887 Clip, 8T-1888 Clip, 353-7957 Grommet, 6V-8801 Nut, and 9B-7237 Bolt. Step 27: Install the 367-8637 Hose Assembly shown in Image 1.5.1. Note: The fuel pressure regulating manifolds located on both sides of the front of the engine may need to be repositioned to allow the 367-8637 Hose Assembly to have adequate clearance to avoid interference. Step 28: To secure the 367-8637 Hose Assembly to the 367-8542 Bracket, install the 6V-8801 Nut, 4L-6459 Bolt, two 8T-4896 Washers, 353-7957 Grommet, , 7X-0732 Washer, 8T-1887 Clip, and 8T-1888 Clip see Item 3 in Detail J in Image 1.5.4 and Image 1.5.5. Step 29: Install the two 364-5899 Hose Assemblies that connect the front 1P-1376 Connectors to the 364-4034 Manifold Block and tighten to a torque of 27 Nm (19.9 ft-lb) shown in Image 1.5.1. Step 30: To secure the 364-5899 Hose Assemblies to the 364-5901 Bracket on the left hand side of the engine and the 364-5900 Bracket on the right hand side of the engine shown in Images 1.5.1 and 1.5.4, install the 4L-6454 Bolt, 8T-4896 Washer, 7V-6571 Grommet, 6V-8801 Nut, two 8T-4896 Washers, 8T-1889 Clip, 8T-1890 Clip (see Item 2 in Detail I and Item 2 in Detail L). Step 31: Reinstall the 269-6440 Fuel Filter Mounting Bracket, 296-3691 Fuel Filter Bracket, and 294-3315 Fuel Filter Base Assembly. Step 32A: On the fuel filter base install the 6V-9852 adapter with the 228-7091 o-ring and the 6V-8722 elbow with the 238-5080 o-ring as shown as Item 1 in Detail H on Image 1.5.3 and Image 1.5.6 Step 32B: Install the 8T-1576 connector as shown in Item 2 in Detail H on Image 1.5.3 and Image 1.5.6. The 228-7091 O-ring and 238-5081 O-ring are required. Step 32C: On the fuel filter base remove the two existing 266-0889 (100 psi) gages and install tow new 295-0758 (150 psi) gages. Step 33: Install the 365-0657 Hose Assembly between the 364-8678 Tube Assembly and fuel filter base as shown in Image 1.5.1. The 228-7091 O-Ring is required between the 365-0657 Hose Assembly and the 364-8678 Tube Assembly. Step 34: Install the 367-2067 Hose Assembly between the 364-4034 Manifold Block, see Detail J on Image 1.5.4, and the fuel filter base as shown in Image 1.5.1. |
Step 35: Finish connecting the 364-9371 Hose Assembly to the fuel filter base as shown in Image 1.5.1. Step 36: Install the 364-8677 Hose Assembly as shown in Image 1.5.1. Step 37: To secure the 364-8677 Hose Assembly to the heat exchanger, install the 5V-9221 Spacer, 5P-2424 Bolt, and 8T-4223 Washer with the existing bracket and clamp as shown in Detail K in Images 1.5.1 and 1.5.3 Step 38: To secure the 364-9371 Hose Assembly to the 364-5900 Bracket as shown at Item 3 in Detail L on Images 1.5.1 and 1.5.4, install two 5P-1075 Washers, 6V-8801 Nut, 9B-7237 Bolt, 353-7957 Grommet, 8T-1887 Clip, and 8T-1888 Clip. Step 39: To secure the 367-2067 Hose Assembly to the 364-5901 Bracket shown at Item 3 in Detail I, install the 8T-2502 Bolt, 5P-1075 Washer, 6V-8801 Nut, 8T-4896 Washer, 090-8635 Spacer, 353-7957 Grommet, 8T-1887 Clip, and 8T-1888 Clip. Step 40: To secure the 367-2067 Hose Assembly to the Fuel Filter Bracket install the 5P-1075 washer, 365-5173 bracket, 8T-4896 washer, 9B-7273 bolt, 4P-7581 ladder clip, 122-0450 grommet, 8S-0023 clip, and 8S-0024 clip as shown as Item 1 in Image 1.8.1. |
Image1.8.1 |
Step 41: To secure the 364-9371 Hose Assembly to the 364-5901 Bracket shown at Item 4 on Detail I, install two 5P-1075 Washers, 8T-1887 Clip, 8T-1888 Clip, 353-7957 Grommet, 6V-8801 Nut, and 9B-7237 Bolt. Step 42: Install the 365-0505 Hose Assembly between the Fuel Filter Base and the Heat Exchanger. Secure with existing hardware. Step 43: The turbocharger cooling vent line will need to be re-routed and secured to the 364-5901 Bracket on the left hand side of the engine using the 129-3172 Stud Bolt, 6D-3479 Clip, two 6V-8801 Nuts and two 8T-4896 Washers as shown at Item 5 on Detail I on Images 1.5.1 and 1.5.4. Step 44: Reinstall the 275-0190 Coolant Tube which connects the turbocharger to the cylinder head shown in Image 1.2.1. The 8T-0833 Service Tool can be used to aid the installation of the 275-0190 Coolant Tube. NOTE: The 231-4708 O-Ring is required to reinstall the 275-0190 Coolant Tube. Reinstall the 275-0191 Tube if necessary. To reinstall the 275-0191 Tube, the 8T-0315 O-Ring may be required. Step 45: Reinstall the 310-3144 Air Tube as seen in Image 1.2.1 which connects the turbocharger to the aftercooler. NOTE: Two 6V-3917 O-Rings are required to reinstall the air tube. Step 46: Reinstall the air cleaners. Step 47: If required install SOLAS tape to all joints in fuel system. Step 48: These new fuel lines can cause the engines fuel pressure to raise above the alarm limits. If required flash the ECM to the latest flash file in SISweb to correct alarm set point. |
Group Number 2 |
This rework procedure is for updating Left Hand Service Marine / Commercial Engines built with Duplex Fuel Filters and a front housing that incorporates "rounded" style front housing as shown in Image 2.1.1. This procedure will outline the conversion to the new 364-5890 Main Fuel Lines Group, 364-6616 Duplex Fuel Filter Group, and 364-6622 Fuel Cooler Group. If you encounter a front housing dissimilar to the images in this service letter please contact your Marine Customer Service Representative for guidance. For torque specifications reference media number SENR3130. Note: It is critical that the correct rework group is identified by engine serial number and that the rework is followed step by step to ensure that incorrect assembly does not occur. |
Image2.1.1 |
Caution: Ensure the engine is shut down and steps have been taken to prevent any attempt to start the engine while fuel hoses are being updated. Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Step 1: To allow access to the fuel system, remove both the right and left hand air cleaner assemblies from the turbochargers. Step 2: To allow access to the fuel transfer pump, remove the 310-3144 Air Tube as seen in Image 2.2.1 which connects the turbocharger to the aftercooler. NOTE: Two 6V-3917 O-Rings are required to reinstall the air tube. Step 3: Remove the 275-0190 Coolant Tube which connects the turbocharger to the cylinder head shown in Image 2.2.1. The 8T-0833 Service Tool can be used to aid the removal of the 275-0190 Coolant Tube. NOTE: The 231-4708 O-Ring is required to reinstall the 275-0190 Coolant Tube. The 275-0191 Tube may also need to be moved for additional clearance. To reinstall the 275-0191 Tube the 8T-0315 O-Ring may be required. |
Image2.2.1 |
Step 4: To allow access to the fuel fittings that connect the left front head to the fuel lines, the 294-3315 Fuel Filter Base Assembly, 296-3691 Fuel Filter Bracket, and 269-6440 Fuel Filter Mounting Bracket will need to be removed. Step 5: Remove the old fuel lines called out in Image 2.3.1. |
Image2.3.1 |
Step 6: Remove the four 030-7937 Stand-off Connectors and 214-7568 O-Rings that are located on all four outer corners of the engine cylinder heads. NOTE: Use of the appropriate crowfoot wrench from the 5P-0336 Wrench Set will aid in the removal and installation of fuel system fittings and lines. Step 7: Remove the existing fuel pressure regulating valves located in the fuel pressure regulating blocks at the front of each side of the engine above the front valve covers. Step 8: Install two new 327-4448 Check Valves. Ensure these fuel pressure regulating valves are tightened to a torque of 28 Nm (20.6 ft-lb). Refer to Special Instruction, REHS5025. Step 9: Remove the existing fuel transfer pump spring kit and install the new 339-4983 Spring Kit to convert the existing fuel transfer pump to the higher pressure 331-3635 Pump. The new spring is shown in Image 2.4.1. Step 10: Remove the washers from beneath the stud bolts that mount the 297-1458 Brackets from both sides of the engine shown in Image 2.4.2. Step 11: Reinstall the mounting stud bolts and 297-1458 Brackets. |
Image2.4.1 |
Image2.4.2 |
NOTES: - To install the new fuel lines reference Images 2.5.1 though 2.5.5. For more detailed images reference the fuel lines groups in SIS WEB. When installing fuel lines that incorporate a hose assembly, a back-up wrench must be used to prevent any hose twisting and undo stress to the fuel lines. - When installing these new fuel lines the wiring harness will need to be re-routed in some areas to prevent interference. - Fuel line installation best practices should be followed. All fuel line connections should first be installed hand tight, all clips and clamps should then be installed, and finally all fuel connections should be tightened to the correct torque value. - All of the fuel lines metal surfaces and mounting hardware must be painted to match the engine prior to installation to prevent rusting. Ensure that all ends of the fuel lines are capped during the handling and paint process to prevent fuel system contamination. |
Image2.5.1 |
Image2.5.2 |
Image2.5.3 |
Image2.5.4 |
Image2.5.5 |
Image2.5.6 |
Step 12: Install four 1P-1376 Stand-off Connectors with four 214-7568 O-Rings located on all four outer corners of the cylinder heads. See the example at Detail G on Image 2.5.3. Step 13: Install the 364-8552 Tube Assembly to the fuel transfer pump inlet and the 364-8678 Tube Assembly to the fuel transfer pump outlet. Tighten both connections at the transfer pump to a torque of 55 Nm (40.6 ft-lb) as shown in Image 2.5.1. Step 14: Install the 364-5893 Hose Assembly and the 364-5898 Hose Assembly ensuring to properly tighten this connection as shown in Detail G on Image 2.5.3. Step 15: Install two of the previously removed fuel line clamp assemblies from the old fuel lines at locations shown in Detail C and Detail D in Image 2.5.1 and 2.5.3. Installation of these fuel line clamp assemblies will require two 4L-6459 Bolts, four 8T-4896 Washers, two 5P-4116 Washers, two 6V-8189 Nuts, two 237-3759 Stud Bolts, and two 6V-8801 Nuts for both of the clamp assemblies. The old 297-1456 Brackets that are already on the engine should be swapped with the bolts in this location. Step 16: Install the 364-9371 Hose Assembly as shown in Image 2.5.1. The 228-7090 O-Ring is required between the 364-8552 Tube Assembly and the 364-9371 Hose Assembly. Step 17: To secure the 364-5893 Hose Assembly install the 5P-4116 Washer, 6V-8189 Nut, 367-9987 Bracket, 8T-4896 Washer, 6V-8801 Nut, 4L-6454 Bolt, 5P-1075 Washer, 325-6994 Half Clip, 325-6995 Half Clip, 237-3759 Stud Bolt, and 353-7956 Grommet as shown at Item 1 on Detail E (Left hand side of engine). Step 18: To secure the 364-8678 Tube Assembly to the 367-9987 Bracket install the P-clip at Item 2 on Detail E. Installation will require the 7X-0288 Bolt, 5P-1075 Washer, 8T-4896 Washer, 6V-8801 Nut, 8T-1887 Clip, 8T-1888 Clip, 353-7957 Grommet, and 9M-4136 Spacer. Step 19: Install a fuel line clamp assembly previously removed from the old lines as shown in Detail B on Image 2.5.1 and 2.5.3. Step 20: To secure the 364-5898 Hose Assembly shown in Detail F (Right hand side of the engine) on Image 2.5.1 and Image 2.5.3, install the 5P-4116 Washer, 6V-8189 Nut, 297-1456 Bracket, 325-6994 Half Clip, 325-6995 Half Clip, 353-7956 Grommet, 6V-8801 Nut, two 8T-4896 Washers, 237-3759 Stud Bolt, and 8T-2502 Bolt. Step 21: Install a fuel line clamp assembly previously removed from the old lines as shown in Detail A on Image 2.5.1 and 2.5.3. Step 22: Install the 364-5900 Bracket to the right hand front housing support with two 5S-7379 Bolts and two 5P-1075 Washers shown as Item 1 in Detail L. Step 23: Install the 364-5901 Bracket to the left hand front housing support with two 5S-7379 Bolts and two 5P-1075 Washers shown as Item 1 in Detail I. Step 24: Install the 170-0610 Stud Bolt (Item 2 in Detail J) and the 367-8542 Bracket (Item 1 in Detail J) with two 6V-8801 Nuts and two 8T-4896 Washers. |
Step 25A: Sub assemble the 364-4034 Manifold Block by installing the two 1P-1376 Connectors with two 214-7568 O-Rings (see Item 4 in Detail J) to the manifold and tighten to a torque of 48 Nm (35.4 ft-lb). Step 25B: Install the 8M-0505 Adapter with 238-5080 O-Ring (Item 5 in Detail J) to the manifold and tighten to a torque of 55 Nm (40.5 ft-lb). Step 25C: In the remaining two ports (not shown) install two 9S-8005 Plugs with two 238-5080 O-Rings and tighten to a torque of 70 Nm (51.6 ft-lb). Step 25D: Install the 364-4034 Manifold to the 367-8542 Bracket using two 7X-0288 Bolts and two 8T-4896 Washers (see Item 6 in Detail J). Step 26: To secure the 364-9371 Hose Assembly to the 364-5901 Bracket shown at Item 4 in Detail I, install two 5P-1075 Washers, 8T-1887 Clip, 8T-1888 Clip, 353-7957 Grommet, 6V-8801 Nut, and 9B-7237 Bolt. Step 27: Install the 367-8637 Hose Assembly shown in Image 2.5.1. Note: The fuel pressure regulating manifolds located on both sides of the front of the engine may need to be repositioned to allow the 367-8637 Hose Assembly to have adequate clearance to avoid interference. Step 28: To secure the 367-8637 Hose Assembly to the 367-8542 Bracket, install the 6V-8801 Nut, 4L-6459 Bolt, two 8T-4896 Washers, 353-7957 Grommet, , 7X-0732 Washer, 8T-1887 Clip, and 8T-1888 Clip see Item 3 in Detail J in Image 2.5.4 and Image 2.5.5. Step 29: Install the two 364-5899 Hose Assemblies that connect the front 1P-1376 Connectors to the 364-4034 Manifold Block and tighten to a torque of 27 Nm (19.9 ft-lb) shown in Image 1.5.1. Step 30: To secure the 364-5899 Hose Assemblies to the 364-5901 Bracket on the left hand side of the engine and the 364-5900 Bracket on the right hand side of the engine shown in Images 1.5.1 and 1.5.4, install the 4L-6454 Bolt, 8T-4896 Washer, 7V-6571 Grommet, 6V-8801 Nut, two 8T-4896 Washers, 8T-1889 Clip, 8T-1890 Clip (see Item 2 in Detail I and Item 2 in Detail L). Step 31: Reinstall the 269-6440 Fuel Filter Mounting Bracket, 296-3691 Fuel Filter Bracket, and 294-3315 Fuel Filter Base Assembly. Step 32A: On the fuel filter base install the 6V-9852 adapter with the 228-7091 o-ring and the 6V-8722 elbow with the 238-5080 o-ring as shown as Item 1 in Detail H on Image 2.5.3 and Image 2.5.6 Step 32B: Install the 8T-1576 connector as shown in Item 2 in Detail H on Image 2.5.3 and Image 2.5.6. The 228-7091 O-ring and 238-5081 O-ring are required. Step 32C: On the fuel filter base remove the two existing 266-0889 (100 psi) gages and install tow new 295-0758 (150 psi) gages. Step 33: Install the 365-0657 Hose Assembly between the 364-8678 Tube Assembly and fuel filter base as shown in Image 1.5.1. The 228-7091 O-Ring is required between the 365-0657 Hose Assembly and the 364-8678 Tube Assembly. Step 34: Install the 367-2067 Hose Assembly between the 364-4034 Manifold Block, see Detail J on Image 2.5.4, and the fuel filter base as shown in Image 2.5.1. |
Step 35: Finish connecting the 364-9371 Hose Assembly to the fuel filter base as shown in Image 2.5.1. Step 36: Install the 365-0506 Hose Assembly as shown in Image 2.5.1. Step 37: To secure the 365-0506 Hose Assembly to the fuel filter bracket with the existing hardware. Step 38: To secure the 364-9371 Hose Assembly to the 364-5900 Bracket as shown at Item 3 in Detail L on Images 1.5.1 and 1.5.4, install two 5P-1075 Washers, 6V-8801 Nut, 9B-7237 Bolt, 353-7957 Grommet, 8T-1887 Clip, and 8T-1888 Clip. Step 39: To secure the 367-2067 Hose Assembly to the 364-5901 Bracket shown at Item 3 in Detail I, install the 8T-2502 Bolt, 5P-1075 Washer, 6V-8801 Nut, 8T-4896 Washer, 090-8635 Spacer, 353-7957 Grommet, 8T-1887 Clip, and 8T-1888 Clip. Step 40A: To secure the 367-2067 Hose Assembly to the Fuel Filter Bracket install the 5P-1075 washer, 365-5173 bracket, 8T-4896 washer, 9B-7273 bolt, 4P-7581 ladder clip, 122-0450 grommet, 8S-0023 clip, and 8S-0024 clip as shown as Item 1 in Image 2.8.1. Step 40B: To secure the 365-0506 hose assembly to the Fuel Filter Bracket install the existing 297-1637 bracket, 4L-6459 bolt, 5P-1075 washer, 6V-8801 nut, and 4P-0707 clamp assembly as shown as Item 2 in Image 2.8.1. |
Image2.8.1 |
Step 41: To secure the 364-9371 Hose Assembly to the 364-5901 Bracket shown at Item 4 on Detail I, install two 5P-1075 Washers, 8T-1887 Clip, 8T-1888 Clip, 353-7957 Grommet, 6V-8801 Nut, and 9B-7237 Bolt. Step 42: The turbocharger cooling vent line will need to be re-routed and secured to the 364-5901 Bracket on the left hand side of the engine using the 129-3172 Stud Bolt, 6D-3479 Clip, two 6V-8801 Nuts and two 8T-4896 Washers as shown at Item 5 on Detail I on Images 2.5.1 and 2.5.4. Step 43: Reinstall the 275-0190 Coolant Tube which connects the turbocharger to the cylinder head shown in Image 2.2.1. The 8T-0833 Service Tool can be used to aid the installation of the 275-0190 Coolant Tube. NOTE: The 231-4708 O-Ring is required to reinstall the 275-0190 Coolant Tube. Reinstall the 275-0191 Tube if necessary. To reinstall the 275-0191 Tube, the 8T-0315 O-Ring may be required. Step 44: Reinstall the 310-3144 Air Tube as seen in Image 2.2.1 which connects the turbocharger to the aftercooler. NOTE: Two 6V-3917 O-Rings are required to reinstall the air tube. Step 45: Reinstall the air cleaners. Step 46: If required install SOLAS tape to all joints in fuel system. Step 47: These new fuel lines can cause the engines fuel pressure to raise above the alarm limits. If required flash the ECM to the latest flash file in SISweb to correct alarm set point. |
Group Number 3 |
This rework procedure is for updating Right Hand Service Marine / Commercial Engines built with Duplex Fuel Filters and a front housing that incorporates "rounded" style front housing as shown in Image 3.1.1. This procedure will outline the conversion to the new 364-5890 Main Fuel Lines Group, 364-6615 Duplex Fuel Filter Group, and 364-6617 Fuel Cooler Group. If you encounter a front housing dissimilar to the images in this service letter please contact your Marine Customer Service Representative for guidance. For torque specifications reference media number SENR3130. Note: It is critical that the correct rework group is identified by engine serial number and that the rework is followed step by step to ensure that incorrect assembly does not occur. Caution: Ensure the engine is shut down and steps have been taken to prevent any attempt to start the engine while fuel hoses are being updated. Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
Image3.1.1 |
Step 1: To allow access to the fuel system, remove both the right and left hand air cleaner assemblies from the turbochargers. Step 2: To allow access to the fuel transfer pump, remove the 310-3144 Air Tube as seen in Image 3.2.1 which connects the turbocharger to the aftercooler. NOTE: Two 6V-3917 O-Rings are required to reinstall the air tube. Step 3: Remove the 275-0190 Coolant Tube which connects the turbocharger to the cylinder head shown in Image 3.2.1. The 8T-0833 Service Tool can be used to aid the removal of the 275-0190 Coolant Tube. NOTE: The 231-4708 O-Ring is required to reinstall the 275-0190 Coolant Tube. The 275-0191 Tube may also need to be moved for additional clearance. To reinstall the 275-0191 Tube the 8T-0315 O-Ring may be required. |
Image3.2.1 |
Step 4: To allow access to the fuel fittings that connect the right front head to the fuel lines, the 294-3316 Fuel Filter Base Assembly, 296-3692 Fuel Filter Bracket, and 269-6440 Fuel Filter Mounting Bracket will need to be removed. Step 5: Remove the old fuel lines called out in Image 3.3.1. |
Image3.3.1 |
Step 6: Remove the four 030-7937 Stand-off Connectors and 214-7568 O-Rings that are located on all four outer corners of the engine cylinder heads. NOTE: Use of the appropriate crowfoot wrench from the 5P-0336 Wrench Set will aid in the removal and installation of fuel system fittings and lines. Step 7: Remove the existing fuel pressure regulating valves located in the fuel pressure regulating blocks at the front of each side of the engine above the front valve covers. Step 8: Install two new 327-4448 Check Valves. Ensure these fuel pressure regulating valves are tightened to a torque of 28 Nm (20.6 ft-lb). Refer to Special Instruction, REHS5025. Step 9: Remove the existing fuel transfer pump spring kit and install the new 339-4983 Spring Kit to convert the existing fuel transfer pump to the higher pressure 331-3635 Pump. The new spring is shown in Image 3.4.1. Step 10: Remove the washers from beneath the stud bolts that mount the 297-1458 Brackets from both sides of the engine shown in Image 3.4.2. Step 11: Reinstall the mounting stud bolts and 297-1458 Brackets. |
Image3.4.1 |
Image3.4.2 |
NOTE: - To install the new fuel lines reference Images 3.5.1 though 3.5.5. For more detailed images reference the fuel lines groups in SIS WEB. - When installing fuel lines that incorporate a hose assembly, a back-up wrench must be used to prevent any hose twisting and undo stress to the fuel lines. - When installing these new fuel lines the wiring harness will need to be re-routed in some areas to prevent interference. - Fuel line installation best practices should be followed. All fuel line connections should first be installed hand tight, all clips and clamps should then be installed, and finally all fuel connections should be tightened to the correct torque value. - All of the fuel lines metal surfaces and mounting hardware must be painted to match the engine prior to installation to prevent rusting. Ensure that all ends of the fuel lines are capped during the handling and paint process to prevent fuel system contamination. |
Image3.5.1 |
Image3.5.2 |
Image3.5.3 |
Image3.5.4 |
Image3.5.5 |
Image3.5.6 |
Step 12: Install four 1P-1376 Stand-off Connectors with 214-7568 O-Rings located on all four outer corners of the cylinder heads, see the example at Detail G on Image 2.5.3. Step 13: Install the 364-8546 Hose Assembly to the fuel transfer pump inlet and the 364-5897 Tube Assembly to the fuel transfer pump outlet. Tighten both connections for the transfer pump to a torque of 55 Nm (40.6 ft-lb) as shown in Image 3.5.1. Step 14: Install the 364-5893 Hose Assembly and the 364-5898 Hose Assembly ensuring to properly tighten this connection as shown in Detail G on Image 3.5.4. Step 15: Install two of the previously removed fuel line clamp assemblies from the old fuel lines at locations shown in Detail C and Detail D in Images 3.5.1 and 3.5.3. Installation of these fuel line clamp assemblies will require two 4L-6459 Bolts, four 8T-4896 Washers, two 5P-4116 Washers, two 6V-8189 Nuts, two 237-3759 Stud Bolts, and two 6V-8801 Nuts for both of the clamp assemblies. The old 297-1456 Brackets that are already on the engine should be swapped with the bolts in this location. Step 16: Install the 364-8547 Hose Assembly shown in Images 3.5.1 and 3.5.2. The 228-7090 O-Ring is required between the 364-8547 Hose Assembly and the 364-5897 Tube Assembly. Step 17: To secure the 364-5893 Hose Assembly as seen on Images 3.5.1 and 3.5.3, install the 5P-4116 Washer, 6V-8189 Nut, 367-9987 Bracket, 8T-4896 Washer, 6V-8801 Nut, 4L-6454 Bolt, 5P-1075 Washer, 325-6994 Half Clip, 325-6995 Half Clip, 237-3759 Stud Bolt, and 353-7956 Grommet as shown at Item 1 on Detail E (Left hand side of engine). Step 18: To secure the 364-5897 Tube Assembly to the 367-9987 Bracket install the P-clip at Item 2 on Detail E. Installation will require the 7X-0288 Bolt, 5P-1075 Washer, 8T-4896 Washer, 6V-8801 Nut, 8T-1887 Clip, 8T-1888 Clip, 353-7957 Grommet, 9M-4136 Spacer. Step 19: Install fuel line clamp assembly previously removed from the old lines as shown in Detail B on Image 3.5.1 and 3.5.3. Step 20: To secure the 364-5898 Hose Assembly as shown in Detail F (Right hand side of the engine) on Images 3.5.1 and 3.5.3 install the 5P-4116 Washer, 6V-8189 Nut, 297-1456 Bracket, 325-6994 Half Clip, 325-6995 Half Clip, 353-7956 Grommet, 6V-8801 Nut, two 8T-4896 Washers, 237-3759 Stud Bolts, and 8T-2502 Bolt. Step 21: Install a fuel line clamp assembly previously removed from the old lines as shown in Detail A on Images 3.5.1 and 3.5.3. Step 22: Install the 364-5900 Bracket to the right hand front housing support with two 5S-7379 Bolts and two 5P-1075 Washers as shown as Item 1 in Detail I. Step 23: Install the 364-5901 Bracket to the left hand front housing support with two 5S-7379 Bolts and two 5P-1075 Washers as shown as Item 1 in Detail L. Step 24: Install the 170-0610 Stud Bolt (Item 2 in Detail J) and the 367-8542 Bracket (Item 1 in Detail J) with two 6V-8801 Nuts and two 8T-4896 Washers. Step 25A: Sub assemble the 364-4034 Manifold Block by installing the two 1P-1376 Connectors with two 214-7568 O-Rings (see Item 4 in Detail J) to the manifold and tighten to a torque of 48 Nm (35.4 ft-lb). Step 25B: Install the 8M-0505 Adapter with 238-5080 O-Ring (Item 6 in Detail J) to the manifold and tighten to a torque of 55 Nm (40.5 ft-lb). Step 25C: Install two 9S-8005 Plugs with two 238-5080 O-Rings and tighten to a torque of 70 Nm (51.6 ft-lb) (see Item 5 Detail J). Step 25D: Install the 364-4034 Manifold to the 367-8542 Bracket using two 7X-0288 Bolts and two 8T-4896 Washers (see Item 7 in Detail J). |
Step 26: Install the 367-8637 Hose Assembly shown in Image 3.5.1. Note: The fuel pressure regulating manifolds located on both sides of the front of the engine may need to be repositioned to allow the 367-8637 Hose Assembly to have adequate clearance to avoid interference. Step 27: To secure the 367-8637 Hose Assembly to the 367-8542 Bracket, install the 6V-8801 Nut, 4L-6459 Bolt, two 8T-4896 Washers, 353-7957 Grommet, , 7X-0732 Washer, 8T-1887 Clip, and 8T-1888 Clip see Item 3 in Detail J in Image 3.5.4 and Image 3.5.5. Step 28: Install the two 364-5899 Hose Assemblies that connect the front 1P-1376 Connectors to the 364-4034 Manifold and tighten to a torque of 27 Nm (19.9 ft-lb) as shown in Image 3.5.1. Step 29: To secure the 364-5899 Hose Assemblies to the 364-5901 Bracket on the left hand side of the engine and the 364-5900 Bracket on the right hand side of the engine shown Images 3.5.1 and 3.5.4, install two 4L-6454 Bolts, two 7V-6571 Grommets, two 6V-8801 Nuts, four 8T-4896 Washers, two 8T-1889 Clips, and two 8T-1890 Clips (see Item 3 in Detail I and Item 2 in Detail L). Step 30: Reinstall the 269-6440 Fuel Filter Mounting Bracket, the 296-3692 Fuel Filter Bracket, and the 237-9311 Fuel Filter Base Assembly. Step 31A: Install a new 156-9791 connector on the fuel filter base as shown Item 1 in Detail H on Image 3.5.3 and Image 3.5.6. The 228-7091 O-ring and 238-5080 O-Ring are required. Step 32B: Install the 126-9903 connector with a 136-7227 o-ring and the 6V-9851 adapter with 228-7090 o-ring as shown in Item 3.5.6. Step 31C: Install a new 6V-8982 adapter as shown as Item 2 in Detail H on Image 3.5.3. The 228-7091 O-ring and 238-5080 O-ring are required. Step 31D: On the fuel filter base remove the two existing 266-0889 (100 psi) gages and install tow new 295-0758 (150 psi) gages. Step 32: Install the 364-8548 Hose Assembly between the 364-4034 Manifold and the fuel filter base as shown in Images 3.5.1 and 3.5.2. Step 33: Finish connecting the 364-8547 Hose Assembly to the fuel filter base as shown in Images 3.5.1 and 3.5.2. Step 34: To secure the 364-8547 Hose Assembly to the 364-5900 Bracket as shown at Item 3 in Detail I on Image 3.5.4, install two 5P-1075 Washers, 6V-8801 Nut, 9B-7237 Bolt, 353-7957 Grommet, 8T-1887 Clip, and 8T-1888 Clip. Step 35: To secure the 364-8548 Hose Assembly to the 364-5900 Bracket as shown in Item 4 in Detail I on Image 3.5.4, install 090-8635 Spacer, 9B-7237 Bolt, 5P-1075 Washer, 122-0450 Grommet, 8S-0023 Clip, and 8S-0024 Clip. Step 36: The turbocharger cooling vent line will need to be re-routed and secured to the 364-5901 Bracket on the left hand side of the engine using the 129-3172 Stud Bolt, 6D-3479 Clip, two 6V-8801 Nuts and two 8T-4896 Washers as show as Item 5 on Detail I on Images 3.5.1 and 3.5.4. Step 37: Install the 364-5895 Hose Assembly as shown in Images 3.5.1 and 3.5.2. Step 38: To secure the 364-5895 Hose Assembly to the heat exchanger install the 5V-9221 Spacer, 5P-2424 Bolt, 8T-4223 Washer with the existing bracket and clamp as shown in Detail K in Images 3.5.1 and 3.5.3. Step 39: Install the 365-5597 Hose Assembly as shown in Image 3.5.1 and 3.5.2 and secure with the existing hardware. Step 40: To secure the 364-8547 Hose Assembly to the Fuel Filter Bracket install the 091-9035 spacer, 170-0610 stud bolt, 5P-1075 washer, 122-0450 grommet, 8S-0023 clip, and 8S-0024 clip as shown as Item 1 in Image 3.7.1. |
Image3.7.1 |
Step 41: Reinstall the 275-0190 Coolant Tube which connects the turbocharger to the cylinder head shown in Image 3.2.1. The 8T-0833 Service Tool can be used to aid the installation of the 275-0190 Coolant Tube. - The 231-4708 O-Ring is required to reinstall the 275-0190 Coolant Tube. Reinstall the 275-0191 Tube if necessary. To reinstall the 275-0191 Tube the 8T-0315 O-Ring may be required. Step 42: Reinstall the 310-3144 Air Tube as seen in Image 3.2.1 which connects the turbocharger to the aftercooler. NOTE: Two 6V-3917 O-Rings are required to reinstall the air tube. Step 43: Reinstall the air cleaners. Step 44: If required install SOLAS tape to all joints in fuel system. Step 45: These new fuel lines can cause the engines fuel pressure to raise above the alarm limits. If required flash the ECM to the latest flash file in SISweb to correct alarm set point. |
Group Number 4 |
This rework procedure is for updating Right Hand Service Marine / Commercial Engines built with Duplex Fuel Filters and a front housing that incorporates "rounded" style front housing as shown in Image 4.1.1. This procedure will outline the conversion to the new 364-5890 Main Fuel Lines Group, 364-6615 Duplex Fuel Filter Group, and 364-6621 Fuel Cooler Group. If you encounter a front housing dissimilar to the images in this service letter please contact your Marine Customer Service Representative for guidance. For torque specifications reference media number SENR3130. Note: It is critical that the correct rework group is identified by engine serial number and that the rework is followed step by step to ensure that incorrect assembly does not occur. Caution: Ensure the engine is shut down and steps have been taken to prevent any attempt to start the engine while fuel hoses are being updated. Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
Image4.1.1 |
Step 1: To allow access to the fuel system, remove both the right and left hand air cleaner assemblies from the turbochargers. Step 2: To allow access to the fuel transfer pump, remove the 310-3144 Air Tube as seen in Image 1.2.1 which connects the turbocharger to the aftercooler. NOTE: Two 6V-3917 O-Rings are required to reinstall the air tube. Step 3: Remove the 275-0190 Coolant Tube which connects the turbocharger to the cylinder head shown in Image 4.2.1. The 8T-0833 Service Tool can be used to aid the removal of the 275-0190 Coolant Tube. NOTE: The 231-4708 O-Ring is required to reinstall the 275-0190 Coolant Tube. The 275-0191 Tube may also need to be moved for additional clearance. To reinstall the 275-0191 Tube the 8T-0315 O-Ring may be required. |
Image4.2.1 |
Step 4: To allow access to the fuel fittings that connect the right front head to the fuel lines, the 294-3316 Fuel Filter Base Assembly, 296-3692 Fuel Filter Bracket, and 269-6440 Fuel Filter Mounting Bracket will need to be removed. Step 5: Remove the old fuel lines called out in Image 4.3.1. |
Image4.3.1 |
Step 6: Remove the four 030-7937 Stand-off Connectors and 214-7568 O-Rings that are located on all four outer corners of the engine cylinder heads. NOTE: Use of the appropriate crowfoot wrench from the 5P-0336 Wrench Set will aid in the removal and installation of fuel system fittings and lines. Step 7: Remove the existing fuel pressure regulating valves located in the fuel pressure regulating blocks at the front of each side of the engine above the front valve covers. Step 8: Install two new 327-4448 Check Valves. Ensure these fuel pressure regulating valves are tightened to a torque of 28 Nm (20.6 ft-lb). Refer to Special Instruction, REHS5025. Step 9: Remove the existing fuel transfer pump spring kit and install the new 339-4983 Spring Kit to convert the existing fuel transfer pump to the higher pressure 331-3635 Pump. The new spring is shown in Image 4.4.1. Step 10: Remove the washers from beneath the stud bolts that mount the 297-1458 Brackets from both sides of the engine shown in Image 4.4.2. Step 11: Reinstall the mounting stud bolts and 297-1458 Brackets. |
Image4.4.1 |
Image4.4.2 |
NOTE: - To install the new fuel lines reference Images 4.5.1 though 4.5.5. For more detailed images reference the fuel lines groups in SIS WEB. - When installing fuel lines that incorporate a hose assembly, a back-up wrench must be used to prevent any hose twisting and undo stress to the fuel lines. - When installing these new fuel lines the wiring harness will need to be re-routed in some areas to prevent interference. - Fuel line installation best practices should be followed. All fuel line connections should first be installed hand tight, all clips and clamps should then be installed, and finally all fuel connections should be tightened to the correct torque value. - All of the fuel lines metal surfaces and mounting hardware must be painted to match the engine prior to installation to prevent rusting. Ensure that all ends of the fuel lines are capped during the handling and paint process to prevent fuel system contamination. |
Image4.5.1 |
Image4.5.2 |
Image4.5.3 |
Image4.5.4 |
Image4.5.5 |
Image4.5.6 |
Step 12: Install four 1P-1376 Stand-off Connectors with 214-7568 O-Rings located on all four outer corners of the cylinder heads, see the example at Detail G on Image 4.5.3. Step 13: Install the 364-8546 Hose Assembly to the fuel transfer pump inlet and the 364-5897 Tube Assembly to the fuel transfer pump outlet. Tighten both connections for the transfer pump to a torque of 55 Nm (40.6 ft-lb) as shown in Image 4.5.1. Step 14: Install the 364-5893 Hose Assembly and the 364-5898 Hose Assembly ensuring to properly tighten this connection as shown in Detail G on Image 4.5.4. Step 15: Install two of the previously removed fuel line clamp assemblies from the old fuel lines at locations shown in Detail C and Detail D in Images 4.5.1 and 4.5.3. Installation of these fuel line clamp assemblies will require two 4L-6459 Bolts, four 8T-4896 Washers, two 5P-4116 Washers, two 6V-8189 Nuts, two 237-3759 Stud Bolts, and two 6V-8801 Nuts for both of the clamp assemblies. The old 297-1456 Brackets that are already on the engine should be swapped with the bolts in this location. Step 16: Install the 364-8547 Hose Assembly shown in Images 4.5.1 and 4.5.2. The 228-7090 O-Ring is required between the 364-8547 Hose Assembly and the 364-5897 Hose Assembly. Step 17: To secure the 364-5893 Hose Assembly as seen on Images 4.5.1 and 4.5.3, install the 5P-4116 Washer, 6V-8189 Nut, 367-9987 Bracket, 8T-4896 Washer, 6V-8801 Nut, 4L-6454 Bolt, 5P-1075 Washer, 325-6994 Half Clip, 325-6995 Half Clip, 237-3759 Stud Bolt, and 353-7956 Grommet as shown at Item 1 on Detail E (Left hand side of engine). Step 18: To secure the 364-5897 Tube Assembly to the 367-9987 Bracket install the P-clip at Item 2 on Detail E. Installation will require the 7X-0288 Bolt, 5P-1075 Washer, 8T-4896 Washer, 6V-8801 Nut, 8T-1887 Clip, 8T-1888 Clip, 353-7957 Grommet, 9M-4136 Spacer. Step 19: Install fuel line clamp assembly previously removed from the old lines as shown in Detail B on Image 4.5.1 and 4.5.3. Step 20: To secure the 364-5898 Hose Assembly as shown in Detail F (Right hand side of the engine) on Images 4.5.1 and 4.5.3 install the 5P-4116 Washer, 6V-8189 Nut, 297-1456 Bracket, 325-6994 Half Clip, 325-6995 Half Clip, 353-7956 Grommet, 6V-8801 Nut, two 8T-4896 Washers, 237-3759 Stud Bolts, and 8T-2502 Bolt. Step 21: Install a fuel line clamp assembly previously removed from the old lines as shown in Detail A on Images 4.5.1 and 4.5.3. Step 22: Install the 364-5900 Bracket to the right hand front housing support with two 5S-7379 Bolts and two 5P-1075 Washers as shown as Item 1 in Detail I. Step 23: Install the 364-5901 Bracket to the left hand front housing support with two 5S-7379 Bolts and two 5P-1075 Washers as shown as Item 1 in Detail L. Step 24: Install the 170-0610 Stud Bolt (Item 2 in Detail J) and the 367-8542 Bracket (Item 1 in Detail J) with two 6V-8801 Nuts and two 8T-4896 Washers. |
Step 25A: Sub assemble the 364-4034 Manifold Block by installing the two 1P-1376 Connectors with two 214-7568 O-Rings (see Item 4 in Detail J) to the manifold and tighten to a torque of 48 Nm (35.4 ft-lb). Step 25B: Install the 8M-0505 Adapter with 238-5080 O-Ring (Item 6 in Detail J) to the manifold and tighten to a torque of 55 Nm (40.5 ft-lb). Step 25C: Install two 9S-8005 Plugs with two 238-5080 O-Rings and tighten to a torque of 70 Nm (51.6 ft-lb) (see Item 5 Detail J). Step 25D: Install the 364-4034 Manifold to the 367-8542 Bracket using two 7X-0288 Bolts and two 8T-4896 Washers (see Item 7 in Detail J). Step 26: Install the 367-8637 Hose Assembly shown in Image 4.5.1. Note: The fuel pressure regulating manifolds located on both sides of the front of the engine may need to be repositioned to allow the 367-8637 Hose Assembly to have adequate clearance to avoid interference. Step 27: To secure the 367-8637 Hose Assembly to the 367-8542 Bracket, install the 6V-8801 Nut, 4L-6459 Bolt, two 8T-4896 Washers, 353-7957 Grommet, , 7X-0732 Washer, 8T-1887 Clip, and 8T-1888 Clip see Item 3 in Detail J in Image 3.5.4 and Image 3.5.5. Step 28: Install the two 364-5899 Hose Assemblies that connect the front 1P-1376 Connectors to the 364-4034 Manifold and tighten to a torque of 27 Nm (19.9 ft-lb) as shown in Image 4.5.1. Step 29: To secure the 364-5899 Hose Assemblies to the 364-5901 Bracket on the left hand side of the engine and the 364-5900 Bracket on the right hand side of the engine shown Images 4.5.1 and 4.5.4, install two 4L-6454 Bolts, two 7V-6571 Grommets, two 6V-8801 Nuts, four 8T-4896 Washers, two 8T-1889 Clips, and two 8T-1890 Clips (see Item 3 in Detail I and Item 2 in Detail L). Step 30: Reinstall the 269-6440 Fuel Filter Mounting Bracket, the 296-3692 Fuel Filter Bracket, and the 294-3316 Filter Base Assembly. Step 31A: Install a new 156-9791 connector on the fuel filter base as shown Item 1 in Detail H on Image 4.5.3 and Image 4.5.6. The 228-7091 O-ring and 238-5080 O-Ring are required. Step 32B: Install the 126-9903 connector with a 136-7227 o-ring and the 6V-9851 adapter with 228-7090 o-ring as shown in Item 4.5.6. Step 31C: Install a new 6V-8982 adapter as shown as Item 2 in Detail H on Image 4.5.3. The 228-7091 O-ring and 238-5080 O-ring are required. Step 31D: On the fuel filter base remove the two existing 266-0889 (100 psi) gages and install tow new 295-0758 (150 psi) gages. Step 32: Install the 364-8548 Hose Assembly between the 364-4034 Manifold and the fuel filter base as shown in Images 4.5.1 and 4.5.2. Step 33: Finish connecting the 364-8547 Hose Assembly to the fuel filter base as shown in Images 4.5.1 and 4.5.2. Step 34: To secure the 364-8547 Hose Assembly to the 364-5900 Bracket as shown at Item 3 in Detail I on Image 4.5.4, install two 5P-1075 Washers, 6V-8801 Nut, 9B-7237 Bolt, 353-7957 Grommet, 8T-1887 Clip, and 8T-1888 Clip. Step 35: To secure the 364-8548 Hose Assembly to the 364-5900 Bracket as shown in Item 4 in Detail I on Image 4.5.4, install 090-8635 Spacer, 9B-7237 Bolt, 5P-1075 Washer, 122-0450 Grommet, 8S-0023 Clip, and 8S-0024 Clip. Step 36: Install the 364-8551 Hose Assembly as shown in Image 4.5.1 and 4.5.2. Step 37: The turbocharger cooling vent line will need to be re-routed and secured to the 364-5901 Bracket on the left hand side of the engine using the 129-3172 Stud Bolt, 6D-3479 Clip, two 6V-8801 Nuts and two 8T-4896 Washers as show as Item 5 on Detail I on Images 2.5.1 and 2.5.4. Step 38A: To secure the 364-8547 Hose Assembly to the Fuel Filter Bracket install the 091-9035 spacer, 170-0610 stud bolt, 5P-1075 washer, 122-0450 grommet, 8S-0023 clip, and 8S-0024 clip as shown as Item 1 in Image 4.7.1. Step 38B: To secure the 364-8551 Hose Assembly install the 350-3657 bracket, 4L-6454 bolt, two 5P-1075 washers, 8T-1889 clip, 8T-1890 clip, 6V-8801 nut, and 353-7953 grommet as shown as Item 2 in Image 4.7.1 |
Image4.7.1 |
Step 39: Reinstall the 275-0190 Coolant Tube which connects the turbocharger to the cylinder head shown in Image 4.2.1. The 8T-0833 Service Tool can be used to aid the installation of the 275-0190 Coolant Tube. - The 231-4708 O-Ring is required to reinstall the 275-0190 Coolant Tube. Reinstall the 275-0191 Tube if necessary. To reinstall the 275-0191 Tube the 8T-0315 O-Ring may be required. Step 40: Reinstall the 310-3144 Air Tube as seen in Image 4.2.1 which connects the turbocharger to the aftercooler. NOTE: Two 6V-3917 O-Rings are required to reinstall the air tube. Step 41: Reinstall the air cleaners. Step 42: If required install SOLAS tape to all joints in fuel system. Step 43: These new fuel lines can cause the engines fuel pressure to raise above the alarm limits. If required flash the ECM to the latest flash file in SISweb to correct alarm set point. |
Caterpillar Information System:
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PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 6I-9255, 6T-1783, 6T-2317, 6Y-7219, 7T-1860, 102-8671, 147-2280, 169-7055, 221-9685, 241-4890, 262-7319, AND 262-7320 FRICTION DISCS IN DEALER PARTS STOCK PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 6I-9255, 6T-1783, 6T-2317, 6Y-7219, 7T-1860, 102-8671, 147-2280, 169-7055, 221-9685, 241-4890, 262-7319, AND 262-7320 FRICTION DISCS IN DEALER PARTS STOCK
PRODUCT SUPPORT PROGRAM FOR REWORKING THE OPTIONAL SMMS NEUTRAL SWITCH CIRCUIT ON CERTAIN C32 MARINE ENGINES PROPULSION ENGINES PRODUCT SUPPORT PROGRAM FOR REWORKING THE OPTIONAL SMMS NEUTRAL SWITCH CIRCUIT ON CERTAIN C32 MARINE ENGINES PROPULSION ENGINES