PRODUCT SUPPORT PROGRAM FOR REPLACING FAILED INJECTORS ON CERTAIN 988F AND 990 WHEEL LOADERS; D9R TRACK-TYPE TRACTORS; 769D, 771D, 773D, AND 775D TRUCKS; 631E, 633E, 637E, 651E AND 657E WHEEL TRACTOR SCRAPERS; 834B WHEEL DOZER; 836 WHEEL TRACTOR SCRA Caterpillar


PRODUCT SUPPORT PROGRAM FOR REPLACING FAILED INJECTORS ON CERTAIN 988F AND 990 WHEEL LOADERS; D9R TRACK-TYPE TRACTORS; 769D, 771D, 773D, AND 775D TRUCKS; 631E, 633E, 637E, 651E AND 657E WHEEL TRACTOR SCRAPERS; 834B WHEEL DOZER; 836 WHEEL TRACTOR SCRA

Usage:

SEBE6860-08

April 24, 1999
(Revised April 2001)
U-108
A-90
AU-73
S-69
H-47
O-101


 
After failure only

PRODUCT SUPPORT PROGRAM FOR REPLACING FAILED INJECTORS ON CERTAIN 988F AND 990 WHEEL LOADERS; D9R TRACK-TYPE TRACTORS; 769D, 771D, 773D, AND 775D TRUCKS; 631E, 633E, 637E, 651E AND 657E WHEEL TRACTOR SCRAPERS; 834B WHEEL DOZER; 836 WHEEL TRACTOR SCRAPERS; 69D AND 73D UNDERGROUND TRUCKS; 3408E AND 3412E INDUSTRIAL ENGINES; 24H MOTOR GRADERS; PM565 AND PM565B ASPHALT PAVERS

1290
PS5615
NOTE: This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS5615" as the Part number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

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.

NOTE: This program can not be be administered unless the customer is using a 2 micron secondary fuel filter and using either the preferred CG-4 or CF-4 Oil.

NOTE: This Revised Service Letter replaces the April 24, 1999 (Revised March 2001) Service Letter. Changes have been made to Parts Needed and to add the note above.

TERMINATION DATE

April 30, 2002

PROBLEM

On certain machines, the 1388754, 1388755, or 1388756 Injectors may experience a failure. This can be caused either by: 1.) An individual injector failure, which can be repaired by replacing only the failed injector
Or
2.) Excessive injector poppet valve leakage, which can be repaired by replacing a complete set of injectors

AFFECTED PRODUCT

Model Identification Number
631E 1AB1640-1643, 1645, 1647-1684, 1686-1771, 1773
637E 1FB660-753
631E 1NB1390-1404, 1407-1435
633E 2PS290-311
988F 2ZR128-133, 135-153, 155-172, 174-179, 181-197,

200-301, 303-343, 345-493, 495-588, 590-594,

596-886, 888-951, 953-974, 976-1006, 1009-

1035, 1037-1054, 1056-1153, 1155-1278, 1280-

1316, 1318-1347

990 4FR190-212, 214-235, 237-269, 271-273, 275-301,

303-312, 314-336, 338-348

651E 4YR188-193, 195-204
769D 5SS69-73

5TR69-120, 122-130, 132-158, 160-431, 433-455,

457-493, 495-601, 603-657, 659-663, 665-801,

803-846

657E 5YR210-276
771D 6JR71-265
775D 6KR75-83, 85-115, 117-146, 148-328
657E 6TR199-202, 204-211
834B 7BR549-556, 558-568, 570-651
773D 7CS73

7ER73-155, 157-168, 170-345, 347-382, 384-432,

434-522, 524-571, 573-723, 725-796, 798-849

836 7FR215-231, 233-254, 256-262, 264-288, 290-359
D9R 7TL559-560, 562, 564-578, 581-605, 607-620, 622-

626, 629-630, 632, 635, 638-675, 677-685, 687-

709, 711, 713-716, 719-726, 728-750, 752-763,

765-768, 770-858, 860-875, 877-938, 940-1017,

1021

8BL830, 832, 834, 849, 851-853, 867, 878-885,

894-895, 897-899, 905-906, 909, 911-914, 917-

918, 920, 922-924, 927-928, 930-933, 937, 939,

947, 951-957, 959-961, 970-971, 973-974, 984-

985, 989-992, 995-1001, 1004, 1006-1017, 1019-

1021, 1023, 1029-1033, 1038-1040, 1043-1044,

1053, 1056, 1058-1062, 1064-1065, 1067-1068,

1074, 1079-1085, 1088, 1093-1094, 1101-1103,

1106, 1109, 1119, 1122, 1125-1126, 1132, 1144,

1146, 1149, 1155-1156, 1158, 1163-1165, 1168-

1169, 1172-1174, 1177-1189, 1198, 1200-1202,

1204, 1206-1214, 1220, 01223-01226, 1229-1241,

1248, 1251, 1254, 1258

69D 9SS169
24H 7KK1-68
PM565 3TK113-123
PM565B 8GS131-147
3408E 7PR1-543
3412E 4CR1-869

PARTS NEEDED

Quantity
Part Number
Description
1
0R9420
Injector
2
1167221
Seals
1
1167222
Seals
1
9X7681
Seal
1
3E6747
Seal
Parts needed for the PM565B and certain 4CR Industrial Engine arrangements 131-4015, 131-5359, 131-4016, 131-5360 and certain 7PR Industrial Engine arrangements 130-9477, 127-4668, 131-9262, 132-1981, 132-1982, 132-1983.
Quantity
Part Number
Description
1
1747528
Injector
2
1167221
Seals
1
1167222
Seals
1
9X7681
Seal
1
3E6747
Seal

ACTION REQUIRED

Use the cylinder cut out test to determine if an individual
injector(s) may have caused the failure.

Cylinder Cutout Test

  1. Warm engine out of Cold Mode.
  2. Increase engine RPM to about 1000.
  3. Using service tool ET, prepare to perform a cylinder cutout test while the engine is running.
  4. Cut out one whole bank of cylinders noting engine rpm and the fuel position on the ET screen at that time.
  5. Cut out one of the remaining cylinders from the running bank, allow engine to stabilize, and note the fuel position.
  6. Power that cylinder back up and note the fuel position, allow engine to stabilize.
  7. Repeat steps 5 through 6 until the bank has been completely checked.
  8. Power all cylinders and allow engine to stabilize.
  9. Cut out the other bank of cylinders and repeat steps 5 through 8.
  10. Compare fuel position readings.
  11. If fuel position did not change (increased) when the cylinder was cut out, then that cylinder may not have been producing power prior to cutout and is suspect.
  12. When finished with the test, decrease engine RPM to low idle or shut engine off.
NOTE: If a third visit, related to this Service Letter,
and to the same engine serial number is required
within 120 calendar days, replace all of the
remaining injectors that are not part number 1747526, 1747528, 1590838, 1747527, 1590835, and 1590836 to avoid a fourth visit.
If it is determined that individual injector(s) are not the cause of the complaint, complete the following test to determine if an injector(s) has excessive poppet valve leakage.

Poppet Valve Leakage Test

  1. Warm engine out of Cold Mode to normal operating temperature.
  2. Shut down the engine.
  3. Remove the valve cover bolts in preparation to observe the injectors. Leave covers in place.

  4.  

     

    CAUTION: Precautions should be taken to prevent contact with

    HOT ENGINE OIL

  5. Restart the engine and run at low idle, no load.
  6. Using the ET service tool, perform injection actuation override test and increase injection actuation pressure to max value.
  7. Observe all injectors under each valve cover for leakage at the spill port. A small amount of dripping is acceptable, but a continuous stream of oil is an indication of excessive poppet valve leakage. Only leaks at the spill port are an indication of excessive poppet valve leakage.
  8. If an injector is discovered with excessive poppet valve leakage, all of the remaining injectors that are not part number 1745428, 1590838, 1747526, 1747527, 1590835, 1590836 need to be replaced.
NOTE: (NACD Dealers only) The injector(s) with excessive
poppet valve leakage must be properly marked to
show which injector(s) has the excessive leakage.
Then return the complete set to the Peoria Claims
Room.

NOTE: Special tooling is required, carbon clean out of
the injector sleeves, and proper injector
installation torque sequence are extremely
important to achieve proper installation. Failure
to follow the Special Instructions "Check List" may
cause severe damage to the injectors or engine and
may result in claims being denied. Proof of use of
the proper tools and procedures will be required.

NOTE: Do not reuse the grommets on top of the injector.

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts (D/N)
Labor Hrs (Cost)
Parts
Labor Hrs
Parts (C/L)
Labor Hrs (Sell)
0-4000
100%
2
0
0
0
0
4001-8000 0-48 mos
33.3%
1
0
0
50%
1
NOTE: This is a 2-hour job.

If all injectors are replaced:

All 3408E Powered Machines

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts (D/N)
Labor Hrs (Cost)
Parts
Labor Hrs
Parts (C/L)
Labor Hrs (Sell)
0-4000
100%
4
0
0
0
0
4001-8000 0-48 mos
33.3%
2
0
0
50%
2
NOTE: This is a 4-hour job.
 All 3412E Powered Machines
Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts (D/N)
Labor Hrs (Cost)
Parts
Labor Hrs
Parts (C/L)
Labor Hrs (Sell)
0-4000
100%
6
0
0
0
0
4001-8000 0-48 mos
33.3%
3
0
0
50%
3
NOTE: This is a 6-hour job.

PARTS DISPOSITION

***** U.S. and Canadian Dealers *****

Return Individual Injector(s) to:

Caterpillar Inc.

Attn: PS5615
4-H Park Road
Pontiac, IL 61764
Return Complete Injector Sets to:
Caterpillar Inc.

Attn: PS5615
Service Claims Room
8201 N. University
Peoria, IL 61615
***** All Other Dealers *****
Handle the parts in accordance with your Warranty Bulletin on
warranty parts handling.

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