PRODUCT SUPPORT PROGRAM FOR REPLACING CERTAIN HYDRAULIC TUBES WITH HOSES ON THE 16M MOTOR GRADER STEERING SYSTEM PRESSURE REDUCING VALVE GROUP Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING CERTAIN HYDRAULIC TUBES WITH HOSES ON THE 16M MOTOR GRADER STEERING SYSTEM PRESSURE REDUCING VALVE GROUP

Usage:

REBE5662-00

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15Feb2010

U-59

A-47

D-53

O-57

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*Before/After*	PRODUCT SUPPORT PROGRAM FOR REPLACING CERTAIN HYDRAULIC TUBES WITH HOSES ON THE 16M MOTOR GRADER STEERING SYSTEM PRESSURE REDUCING VALVE GROUP
4304		PS43039

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NOTE:

This Program must 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 "PS43039" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "96" as the Warranty Claim Description Code, and "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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TERMINATION DATE

29Feb2012

PROBLEM

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The existing hydraulic tubes within the 16M Motor Grader steering pressure reducing valve group are failing. These existing tubes can be replaced with hose assemblies to reduce failures.

AFFECTED PRODUCT

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Model	Identification Number
16M	B9H00100-00730

PARTS NEEDED

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Qty	Part Number	Description
1	3D2824	SEAL-O-RING
2	6V8397	SEAL-O-RING
1	6V8398	SEAL-O-RING-ORFS
1	6V9343	ADAPTER-ELBOW
1	6V9850	ADAPTER-ELBOW
1	6V9851	ADAPTER-ELBOW
1	1099771	HOSE AS
1	1509044	HOSE AS
1	2625320	HOSE AS.
1	3555200	HOSE AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 30% 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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1. Using Image 1 connect elbow (1) (6V9851) to the orifice connector on the PRV supply port using a 6V8398 O-ring.

2. Replace the straight connector (148-8328) on the steering valve pressure port with a new elbow (2) (6V9343) and new o-rings (6V8397 and 3D2824). See Image 2.

3. Connect elbow (3) (6V9850) to the elbow to the elbow on the PRV reducing pilot supply port using a 6V8397 O-ring. See Image 2.

4. Replace tube (4) (344-7944) with hose (5) (355-5200) for the PRV supply. See Image 3 and 4.

5. Replace tube (6) (344-7946) with hose (7) (262-5320) for PRV regulated supply. See Image 5 and 6.

6. Replace tube (8) (344-7947) with hose (9) (109-9771) for steering return to tank. See Image 7 and 8.

7. Replace tube (10) (344-7948) with hose (11) (150-9044) for PRV return to tank. See Image 9 and 10.

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Image1

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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%
0-99999 hrs, 0-72 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%