PRODUCT SUPPORT PROGRAM FOR REWORKING THE DIFFERENTIAL DOWELS ON CERTAIN 745 AND 745C ARTICULATED TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REWORKING THE DIFFERENTIAL DOWELS ON CERTAIN 745 AND 745C ARTICULATED TRUCKS

Usage:

TEBE8617-01

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21Dec2018

(Revised 03May2019)

Q630
Q631
Q632
Q633
Q635
Q637

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Containment - Before/After (Limited distribution)	PRODUCT SUPPORT PROGRAM FOR REWORKING THE DIFFERENTIAL DOWELS ON CERTAIN 745 AND 745C ARTICULATED TRUCKS
3258		PS90941

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NOTE:

Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.

NOTE:

This Containment Program can be administered either before or after a failure occurs. In either case the decision whether to apply the Program is made by the dealer and service rep. Obtain the service reps Goodwill Approver Code before completing the repair. EAME dealers should use their standard Industry Group specific goodwill approval codes. The Goodwill Approver Code must be included when submitting the claim.

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NOTE:	When reporting the repair, use "PS90941" as the Part Number and "7777" as the Group Number. If administered before failure, use "56" as Warranty Claim Description and "T" as the SIMS Description Code. If administered after failure, use "96" as 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.

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NOTE:	This Revised Service Letter replaces the 21Dec2018 Service Letter. Changes have been made to the Affected Product.

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TERMINATION DATE

31Dec2020

PROBLEM

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The existing differential dowel can become loose on certain 745 and 745C Articulated Trucks.
If the existing dowel backs out, it can result in machine stoppage and cause other parts to fail within the differential.

AFFECTED PRODUCT

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Model	Identification Number
745	3F600588, 590, 595-596, 602, 609-610, 619-620, 624-625, 631-632, 635-636, 638-639, 642-643, 649-650, 655, 664, 671-674, 969-978, 1014, 1026, 1033, 1037, 1041, 1046, 1048, 1050, 1052, 1055, 1057, 1061, 1063, 1065, 1089, 1100, 1107, 1114, 1120
745C	LFK00390, 392, 396, 651-653

PARTS NEEDED

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Qty	Part Number	Description
2	2P1692	SEAL-O RING
6	2R0239	SEAL-O RING
9	5F9144	SEAL-O RING
1	6V3263	SEAL-O RING
2	8J8879	SEAL-O RING
3	2934503	SEAL-LIP TYPE
9	5564475	DOWEL-SPECIAL
1	LOCTITE	LOCTITE 620 (As required) Procure locally
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% 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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Refer to M0094155, Service Magazine, "New Dowel and Differential Case Assembly are Available for Differential Lock Clutch on 735C, 740 EJ, 740 GC, 740C EJ, 745, and 745C Articulated Trucks", to provide instruction for rework of differential to accept new dowels.

Note: This program does NOT support replacing the differential case. If there is a failure where the differential case is damaged and can not be reworked you can contact your Service Representative.

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SERVICE CLAIM ALLOWANCES

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-8000 hrs, 0-60 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
8001-12000 hrs, 61-80 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%