PRODUCT SUPPORT PROGRAM FOR REPLACING THE IMPLEMENT/STEERING PUMP ON CERTAIN 834K WHEEL DOZERS AND 836K LANDFILL COMPACTORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE IMPLEMENT/STEERING PUMP ON CERTAIN 834K WHEEL DOZERS AND 836K LANDFILL COMPACTORS

Usage:

TEBE2068-01

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02Feb2015

(Revised 20Apr2015)

U-40

A-26

D-37

O-37

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After Failure Only	PRODUCT SUPPORT PROGRAM FOR REPLACING THE IMPLEMENT/STEERING PUMP ON CERTAIN 834K WHEEL DOZERS AND 836K LANDFILL COMPACTORS
5070		PS52871

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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 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 "PS52871" 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.

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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 02Feb2015 Service Letter. Changes have been made to the Affected Product, Parts Needed, Action Required, and the Service Claim Allowances.

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TERMINATION DATE

28Feb2017

PROBLEM

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The shaft seal of the right-side implement/steering pump may fail on certain 834K Wheel Dozers and 836K Landfill Compactors. Failure of the shaft seal will result in fluid transfer between the hydraulic system and the transmission system.

AFFECTED PRODUCT

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Model	Identification Number
*****Group 1*****
836K	TWZ00250-00254, 401-455, 500-509

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*****Group 2*****
834K	LWY00175, 601-629, 700-703 TWY00200, 301-303

PARTS NEEDED

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Qty	Part Number	Description
*****Group 1*****
2	2M9780	SEAL-O-RING-STOR
2	3D2824	SEAL-O-RING-STOR
1	3J1907	SEAL-O-RING-STOR
2	3J7354	SEAL-O-RING-STOR
1	4J0520	SEAL-O-RING
1	5F3106	SEAL-O-RING
2	5K9090	SEAL-O-RING-ORFS
6	6V9746	SEAL-O-RING-ORFS
1	1730641	PLUG-FILTER
1	2147568	SEAL-O-RING-STOR
1	4644876	PUMP GP-PS-BSC-V
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 2% 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.
*****Group 2*****
2	2M9780	SEAL-O-RING-STOR
2	3D2824	SEAL-O-RING-STOR
1	3J1907	SEAL-O-RING-STOR
2	3J7354	SEAL-O-RING-STOR
1	4J0520	SEAL-O-RING
1	5F3106	SEAL-O-RING
2	5K9090	SEAL-O-RING-ORFS
1	6V8397	SEAL-O-RING-ORFS
6	6V9746	SEAL-O-RING-ORFS
1	1730641	PLUG-FILTER
1	2147568	SEAL-O-RING-STOR
1	4644875	PUMP GP-PS-BSC-V
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 2% 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 RENR9777, Disassembly and Assembly, "Piston Pump (Implement, Steering) - Remove and Install - RIGHT SIDE", in order to complete this Rework Procedure.

Refer to RENR9777, Disassembly and Assembly, "System Pressure - Release", for additional information on releasing the system pressure.

- For 834K and 836K machines install the 173-0641 Filter Plug in the 464-4875 or 464-4876 Pump Group weep hole.

- For 834K machines, replace the 365-2143 Pump Group with a new 464-4875 Pump Group.

- For 836K machines, replace the 366-4589 Pump Group with a new 464-4876 Pump Group.

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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%
*****Group 1*****
0-2600 hrs, 0-12 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
2601-10000 hrs, 13-48 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 6.0-hour job for Group 1

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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%
*****Group 2*****
0-4100 hrs, 0-12 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
4101-10000 hrs, 13-24 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%