PRODUCT SUPPORT PROGRAM FOR REPLACING THE FRONT CRANKSHAFT SEALS ON CERTAIN 3126, 3126B, AND C-9 ENGINES Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE FRONT CRANKSHAFT SEALS ON CERTAIN 3126, 3126B, AND C-9 ENGINES

Usage:

SEBE8285

February 5, 2003
U-40
A-32
D-33
O-38
TT-2

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*before or* *after failure*	PRODUCT SUPPORT PROGRAM FOR REPLACING THE FRONT CRANKSHAFT SEALS ON CERTAIN 3126, 3126B, AND C-9 ENGINES
1160 1202		PS41252

NOTE: This Program can be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS41252" as the Part number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use "T" as the SIMS Description Code. If administered after failure, 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.

TERMINATION DATE

February 28, 2005

PROBLEM

The front crankshaft seals need to be replaced on certain 3126, 3126B, and C-9 engines. A leak may result due to the seals being pressed in too deeply.

AFFECTED PRODUCT

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Model	Identification Number
3126B	1AJ500, 501 BEJ1902-1908, 1911, 1916-1922, 1924-1927, 1932, 1942-1945, 1947, 1954, 1970, 1973, 1974 CKM67662 HEP10259-10272, 10274-10455, 10457-10459, 10461-10486, 10488-10494, 10496-10504, 10506-10527, 10529-10546, 10548, 10550-10610, 10612-10754, 10756-10782, 10784, 10785, 10787, 10788, 10790-10793, 10795-10812, 10814-10819, 10821-10825, 10827-10832, 10834, 10836-10855, 10857-10860, 10862, 10864-10867, 10869, 10872, 10874, 10876, 10880, 10882, 10884-10887, 10890-10893, 10895, 10897-10902, 10904-10913, 10915-10919, 10921, 10922, 10924-10930, 10932-10945, 10947, 10949, 10951-10958, 10960-10970, 10972-10990, 10992, 10995-10997, 10999-11001, 11003-11008, 11010, 11011, 11013, 11014, 11018, 11019, 11021, 11023, 11027, 11028, 11034, 11035, 11037, 11038, 11040, 11041, 11043, 11044, 11046, 11048, 11050, 11052, 11054, 11055, 11057, 11059-11062, 11064, 11066, 11068-11071, 11073, 11074 9SZ13724-13736, 13740, 13743, 13744, 13747, 13749-13753, 13757-13764, 13768, 13770-13772, 13777-13783, 13785, 13788-13790, 13793-13807, 13813
3126	1BW1209-1212, 1216 1ZJ3571 9ZR2466 7JZ5396-5408, 5410-5418, 5420-5425, 5427-5431, 5433-5435, 5437-5441, 5443, 5445, 5447, 5465, 5466
C-9	4ZF4582, 4587, 4589, 4594-4599, 4602, 4605, 4608-4611, 4615, 4617, 4618, 4620, 4623, 4624, 4630, 4634, 4636-4638, 4642, 4646-4648, 4650, 4653, 4655, 4659, 4662, 4663, 4668 CLJ2412-2414, 2416-2418, 2420-2422, 2425-2428, 2430, 2432, 2438, 2445, 2453-2454, 2461-2463, 2466
525B	3KZ961-968
950G	AXX209, 220, 223, 224, 229, 231, 232
325C L	BFE593, 596, 597, 601

PARTS NEEDED

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Qty	Part Number	Description
1	1192921	SEAL GP-CSHF

ACTION REQUIRED

See the attached Rework Procedure.

SERVICE CLAIM ALLOWANCES

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
	Parts	Labor Hrs	Parts	Labor Hrs	Parts	Labor Hrs
3126, 3126B, and C-9 On-Highway Truck Engines
NOTE: Using the following labor codes: 1160-010 remove and install 1.6 hrs 1160-074 wash .3 hrs 1160-030 test after .3 hrs Total 2.2 hrs
0-24 mos	100%	2.2	0	0	0	0
525B, 950G, 322C L, and 325C L engines
0-24 mos	100%	5.9	0	0	0	0
NOTE: This is a 2.2?hr job for on-highway truck engines.
NOTE: This is a 5.9-hr job for engines in 525B, 950G, and 325C L.

PARTS DISPOSITION

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

Attach. (1-Rework Procedure)

Rework Procedure

Remove PTO adapter or pulley if applicable.
Remove Damper.
Remove V-belt (if applicable)
Remove trunion and front support from C-9.
Remove crank pulley.
Verify that seal is pressed between 2mm and 4mm. If not,

a. Remove seal. i. To remove seal, cock to one side then pull forward. b. Install new seal using the installation tool.

Reinstall crank pulley. Torque with star pattern.
Reinstall trunion and front support if applicable.
Reinstall V-belt (if applicable).
Reinstall damper (if applicable). Torque with star pattern, and retorque in sequential order.
Reinstall damper pulley (PTO).