BUSHING 2131364 - Caterpillar

Caterpillar: Confidential Yellow
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.
This Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS8529" 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.
Termination Date
January 31, 1997Problem
Some Customer Communication Modules (CCM's), during normal power-up, may fail to have the display come on, or have no communications.
Affected Product
Model & Identification Number
3208 (30A6368, 30A6369, 30A6373, 30A6374 5YF2398 , 5YF2504)
3306 (85Z13204, 85Z13211, 85Z13212, 85Z13215, 85Z13216, 85Z13223, 85Z13230, 85Z13236 )
3306B (2AJ1162, 2AJ1165)
3406B (4PM179, 4PM294)
3406C (2WB16386, 2WB16387, 2WB16677, 2WB16759, 2WB16826-16828, 2WB16691 4RG2456 , 4RG2457)
3408C (78Z5432, 78Z4444)
3412 (81Z17692, 81Z17693, 81Z17819, 81Z18029, 81Z18036, 81Z18227, 81Z18237, 81Z18242 , 81Z18266, 81Z18294, 81Z18296-18297, 81Z18367 2WJ288 , 2WJ388, 2WJ464)
3508 (23Z6144, 23Z6102)
3508B (6PN162, 6PN163)
3512 (24Z6378, 24Z6383, 24Z6445, 24Z6497, 24Z6500, 24Z6503, 24Z6506, 24Z6550, 24Z6571 , 24Z6573, 24Z6576, 24Z6608, 24Z6611, 24Z6730, 24Z6731)
3512B (8RM122, 8RM123, 8RM124)
3516 (25Z4560, 25Z4567, 25Z4568, 25Z4588, 25Z4602, 25Z4608, 25Z4646, 25Z4648, 25Z4649 , 25Z4664, 25Z4670, 25Z4716 5SJ347 , 5SJ357)
3516B (7RN2246)
G3606 (3XF29, 3XF31-37)
G3608 (4WF25-30)
G3612 (1YG49, 1YG50, 1YG52-57, 1YG60, 1YG61, 1YG64, 1YG66-70, 1YG72)
G3616 (4CG35, 4CG40-48, 4CG50, 4CG52)
Parts Needed
1 - 1176170 Control Group (for Diesel Engines)1 - 1193369 Control Group (for G3600 Series Engines)Action Required
Parts Stock
Inspect the 1176170 and 1193369 Customer Communication Modules (CCM's) in Parts Stock. The serial number on the CCM will determine if the part should be replaced. The CCM serial number is found on the bottom of the mounting foot. If the CCM serial number is less than 10,000, or if the serial number does not have a yellow dot approximately 6.35 mm ( inch) in diameter next to the serial number, then the CCM should be replaced.
Affected Product
1. Disconnect the wiring from the B+, B-, Data Link + and -, and the RS-232 Port Connector on the CCM.2. Remove any customer mounting hardware.3. Install, connect, and test the operation of the new CCM (Reference SEBU6874 Owners Manual or LERX5107 Users Manual). Use 1176170 CCM for Diesel Engines and 1193369 CCM for G3600 Series Engines.
Service Claim Allowances
Parts Stock
Submit one claim for all 1176170 and 1193369 Customer Communication Modules (CCM's) removed from Parts Stock.
US and Canadian Dealers Only - When submitting a Parts Stock claim use 99Z00007 in the Product Identification Number Field.
Parts Stock parts claims are reimbursed at Dealer Net.
Affected Product
This is a 1-hour job.
Parts Disposition
U.S. and Canadian Dealers
Return all 1176170 and 1193369 Customer Communication Modules that are removed from Parts Stock and a copy of the claim to:
Caterpillar Inc.
Attn: Supplier Recovery Supervisor
Service Claims Room
8201 N. University
Peoria, IL 61615
All Other Dealers
Handle the parts in accordance with your Warranty Bulletin