PRODUCT SUPPORT PROGRAM FOR REPLACING THE 254-0489 ANTI-DRIFT VALVE ON CERTAIN M315D 2 AND M317D 2 WHEEL EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE 254-0489 ANTI-DRIFT VALVE ON CERTAIN M315D 2 AND M317D 2 WHEEL EXCAVATORS

Usage:

TEBE1857-00

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27Aug2014

A-373

D-451

O-425

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*Before/After*	PRODUCT SUPPORT PROGRAM FOR REPLACING THE 2540489/">254-0489 ANTI-DRIFT VALVE ON CERTAIN M315D 2 AND M317D 2 WHEEL EXCAVATORS
5147 5811 5117 5067		PS44462

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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 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 "PS44462" 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

31Aug2016

PROBLEM

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The existing 2540489/">254-0489 Anti-Drift Valve may cause excessive drift on the boom or stick cylinder on certain M315D 2 and M317D 2 Wheel Excavators. If the cylinder drift is over specification, replacement of the 2540489/">254-0489 Anti-Drift Valve by a new one is required.

AFFECTED PRODUCT

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Model	Identification Number
M315D 2	CH300157, 159, 168, 170-173, 178-179, 183-185, 188, 205-207, 214-217
M317D 2	CH500209-00212, 214-216, 221, 223-226, 228, 230-234

PARTS NEEDED

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Qty	Part Number	Description
1	2540489	VALVE GP-P CHK
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 9% 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 the attached Rework Procedure.

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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%
0-2000 hrs, 0-12 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 2.0-hour job
One additional anti-drift valve and an additional 2.0 hours are allowed if both boom and stick cylinders have excessive drift on one machine.

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PARTS DISPOSITION

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Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

Rework Procedure

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1. Perform the cylinder drift test for the machine to identify the possible defective anti-drift valve. Refer to UENR0844, Testing and Adjusting Manual, "Cylinder Drift-Check", for additional information.

2. Release the hydraulic system pressure. Refer to UENR0844, Testing and Adjusting Manual, "Hydraulic System Pressure - Release", for additional information.

3. Remove the identified defective 2540489/">254-0489 Anti-Drift Valve (boom, stick, bucket). Refer to Image1.3.1 for the location of the 2540489/">254-0489 Anti-Drift Valves.

Image1.3.1

4. Install the new 2540489/">254-0489 Anti-Drift Valve according to the following Rework Procedure:

Anti-Drift Valve-Stick:

1. Install the 2540489/">254-0489 Anti-Drift Valve on main valve block with four 8T-4198 Bolts, two 5W-9857 Half Flanges, and two 4J-5267 Flange Sealing Rings. Tighten the bolts to a specified torque of 55 +/- 10 N.m. Refer to drawing 391-2631.

2. Successively install the 148-8378 Elbow Adapter and 148-8336 Straight Adapter on the 2540489/">254-0489 Anti-Drift Valve. Tighten to to a specified torque of 55 +/-8 N.m.

Note: Pay attention to the tighten angle of elbow adapter.

3. Connect the 123-7957 Hose Assembly to the 148-8378 Elbow Adapter. Tighten to a specified torque of 24 + 3 N.m. Connect 138-7948 Hose Assembly to the 148-8336 Straight Adapter. Tighten to a specified torque of 24 + 3 N.m.

Refer to Image1.4.1.

Image1.4.1

Anti-Drift Valve-Boom:

1).Install the 2540489/">254-0489 Anti-Drift Valve on the main valve block with four 8T-4198 Bolts, two 5W-9857 Half Flanges, 4J-5267 Flange Sealing Ring, 1P-3702 Rectangular Seal, and 291-3637 Bracket. Tighten the four bolts to a specified torque of 55 +/- 10 N.m. Refer to drawing 391-2631.

2. Successively install the 150-3036 Elbow Adapter and 148-8336 Straight Adapter on the 2540489/">254-0489 Anti-Drift Valve. Tighten to a specified torque of 55 +/- 8 N.m.

Note: Pay attention to the tighten angle of elbow adapter.

3. Connect 113-0453 Hose Assembly to the 150-3036 Elbow Adapter. Tighten to a specified torque of 24 + 3 N.m. Connect the 113-0454 Hose Assembly to the 148-8336 Straight Adapter. Tighten to a specified torque of 24 + 3 N.m.

Refer to Image1.5.1.

Image1.5.1

5. Once the installation is completed, warm up the hydraulics to operating temperature and operate the boom/stick/bucket for 20 cycles, shut the machine off and check for oil leakage. If no leakage found, perform the cylinder drift test again. Refer to UENR0844, Testing and Adjusting Manual, "Cylinder Drift-Check".