PRODUCT SUPPORT PROGRAM FOR REPLACING THE 8X1422 CYLINDER ASSEMBLY ON CERTAIN 789C AND 789D OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE 8X1422 CYLINDER ASSEMBLY ON CERTAIN 789C AND 789D OFF-HIGHWAY TRUCKS

Usage:

TEBE6415-00

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14Jul2017

K030
K042
K115

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Containment - Before/After (Limited distribution)	PRODUCT SUPPORT PROGRAM FOR REPLACING THE 8X1422 CYLINDER ASSEMBLY ON CERTAIN 789C AND 789D OFF-HIGHWAY TRUCKS
4277		PS90723

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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 "PS90723" 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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TERMINATION DATE

31Jul2019

PROBLEM

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The existing 8X1422 Cylinder Assembly can leak on certain 789C and 789D Off-Highway Trucks.

AFFECTED PRODUCT

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Model	Identification Number
789C	2BW00567, 686
789D	SPD00374, 399, 401, 455, 639-644, 646-647

PARTS NEEDED

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Qty	Part Number	Description
1	8X1422	CYLINDER AS
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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Inspect each 8X1422 Cylinder Assembly for cracking around the stamped relief and air fitting boss. Replace the cylinder if any cracking is found. Submit a SIMS ticket and record the date stamp of every failed cylinder. Refer to Image 1.

Refer to SENR1534 Disassembly and Assembly - 789C Off-Highway Truck machines systems for instructions on how to replace the cylinder.

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Image1

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%
0-24000 hrs, 0-60 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%