PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE VIBRATION DAMPER AND INSTALLING THE NEW SPACER AND BOLTS ON CERTAIN 3126B, C7, AND C9 MARINE ENGINES
Usage:
REBE3065-00
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| 08Jan2008 |
U-15
A-12
D-9
O-11
TM-1
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| Priority | PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE VIBRATION DAMPER AND INSTALLING THE NEW SPACER AND BOLTS ON CERTAIN 3126B, C7, AND C9 MARINE ENGINES |
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| 1205 | PI31429 |
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| NOTE: | This Program must be administered as soon as possible. When reporting the repair, use "PI31429" as the Part Number and "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. Exception: If the repair is done after failure, use "PI31429" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code. |
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| NOTE: | The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst. |
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COMPLETION DATE |
TERMINATION DATE |
| 31Jul2008 | 31Jan2009 |
PROBLEM
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| Failure of the vibration damper can occur without the proper spacer and bolts installed. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 3126B | 3GS01686-01687, 1738-1739, 1777, 1868, 1955-1956, 1960-1961, 1992-1994, 2034-2037, 2039, 2054-2057, 2072-2073, 2103, 2108-2109, 2116-2117, 2146-2147, 2157-2159, 2162, 2171, 2177-2180, 2187-2188, 2191, 2193-2197, 2202, 2208, 2216-2217, 2230, 2251 9ZF00875, 878-889 |
| C7 | C7B00147, 197, 222-227, 272-277, 280, 292, 297-298, 304, 307-314, 319, 323-327, 334, 336, 341-342 C7D00262, 325-326, 330-331, 341-342, 3025 C7X00153-00156, 158-159, 219-221, 341-344, 363-364, 366-367, 408, 410-412, 457-464, 505-508, 514-515, 524, 532-533, 546-551, 580, 591-596, 604-605, 607-610, 628-633, 649-652, 706, 739-740, 818-819, 830-831, 849-850, 863-865, 877-878, 881-884, 887-888 C7Z00294, 296 |
| C9 | C9A00233-00235, 278, 280, 311, 313, 315-317, 366-367, 383-386, 388, 396, 448, 450, 468, 479, 495-498, 549, 613-614, 635 CSN00394-00401, 430-431 SJB00152-00157, 176-177, 189, 214, 296-297, 317, 324, 365, 377, 400-402 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 8 | 8T5030 | BOLT |
| 1 | 1678121 | DAMPER AS (If Required) |
| 1 | 2283621 | SPACER |
| In Order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 40% 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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| The 167-8121 vibration damper needs to be inspected and, if necessary, replaced. And a new spacer and bolts need to be installed on certain 3126B, C7, and C9 marine engines that were shipped with the optional 166-4827 Crankshaft Pulley Gp. 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 1.0-hour job | |||||
| This program covers the cost of replacing the mounting bolts and spacer for the 167-8121 Damper and 166-4827 Pulley Group. If damper inspection shows cracks or signs of failure, then the damper should be replaced and will be allowed. Please note the sister engine serial number installed in the boat in the claim story as only one trip will be covered for a pair of engines in a boat. |
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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 PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE VIBRATION DAMPER AND INSTALLING THE SPACER AND NEW BOLT HARDWARE ON CERTAIN 3126B, C7, AND C9 MARINE ENGINES. MODELS INVOLVED - 3126B, C7, C9 Marine Engines Dear Caterpillar Product Owner: The vibration damper needs to be inspected and, if necessary, replaced and a spacer and new bolt hardware needs to be installed on certain 3126B, C7, and C9 marine engines listed below. Failure of the vibration damper can occur without the proper spacer and bolt hardware installed. 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 08Jan2008 when scheduling this service. We regret the inconvenience this may cause you, but urge you to have this service performed as soon as possible to prevent unscheduled downtime. Caterpillar Inc. Identification #(s) Attached to 08Jan2008 Service Letter |
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| Refer to Image 1.1.1. for the following rework procedure: 1. Remove guard assembly (if equipped) 2. Remove drive belts. 3. Remove the 8 mounting bolts and washers from the damper and pulley group. 4. Discard the 8 original mounting bolts while retaining 8 ea. of the 6V-5839 washers for use during re-assembly. 5. Closely inspect the entire 167-8121 damper for cracks or signs of damage. If the damper is found cracked or damaged then a new 167-8121 damper is to be installed and applied to this service letter. If the damper is replaced, a detailed report with pictures must accompany the claim. 6. Reinstall the damper and pulley group with the 228-3621 spacer, 2 ea. of the 8T-5030 bolts 180 deg apart from each other and 2ea. of the 6V-5839 washers retained during disassembly. 7. Tighten the two bolts 180 deg apart from each other to 20 +/- 15 N.m before applying the final specified torque in step #8. 8. Install remaining 6 ea. of the 8T-5030 bolts and 6 ea. of the 6V-5839 washers, tighten all 8 bolts to a torque of 55 +/- 10 N.m (40 +/- 7 lb ft). 9. Reinstall drive belts. 10. Reinstall guard assembly (if equipped). |
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| Image1.1.1 |
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