PRODUCT IMPROVEMENT PROGRAM FOR REWORKING CW QUICK COUPLER VALVE ON CERTAIN 320 AND 320GC EXCAVATORS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REWORKING CW QUICK COUPLER VALVE ON CERTAIN 320 AND 320GC EXCAVATORS

Usage:

TEBE9046-00

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16Apr2019

O-212

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Priority	PRODUCT IMPROVEMENT PROGRAM FOR REWORKING CW QUICK COUPLER VALVE ON CERTAIN 320 AND 320GC EXCAVATORS
5057		PI33016

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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 as soon as possible. When reporting the repair, use "PI33016" as the Part Number and "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. Exception: If the repair is done after failure, use "PI33016" as the Part Number, "7751" as the Group Number, "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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COMPLETION DATE	TERMINATION DATE
31Oct2019	30Apr2020

PROBLEM

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The CW Quick Coupler Valve needs to be reworked on certain 320 and 320GC Excavators. The Quick Coupler cylinder can be damaged by the wrong pressure setting of the valve.

AFFECTED PRODUCT

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Model	Identification Number
320	YCP00211-00215, 222-232, 234-236, 238-240, 243-244, 246-255, 257-264
320 GC	XBJ00254-00258

PARTS NEEDED

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No parts needed for this program

ACTION REQUIRED

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Refer to the attached Rework Procedure.

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OWNER NOTIFICATION

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Owners in the following countries will receive the attached Owner Notification:
US
Canada

SERVICE CLAIM ALLOWANCES

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Caterpillar		Dealer Suggested		Customer Suggested
Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
100%	100%	0%	0%	0%	0%

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NOTE: This is a 4.0-hour job

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PARTS DISPOSITION

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

MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.

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EXAMPLE COPY OF OWNER NOTIFICATION

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REWORKING CW QUICK COUPLER VALVE

MODELS INVOLVED - CERTAIN 320 AND 320GC EXCAVATORS

Dear Cat Product Owner:

The CW Quick Coupler Valve needs to be reworked on the products listed below. The Quick Coupler cylinder can be damaged by the wrong pressure setting of the valve. You will not be charged for the service performed.

Contact your local Cat dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service.

If you are no longer the owner of this product(s), please contact your local Cat dealer so that our records can be updated. Please refer the dealer to their Service Letter dated 16Apr2019 when scheduling this service.

We regret the inconvenience this may cause you, and urge you to have this service performed as soon as possible to prevent unscheduled downtime.

Caterpillar Inc.

Identification #(s)

Attached to 16Apr2019 Service Letter

Rework Procedure

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1. Refer to valve location (A) and pressure measurement position of the valve. Refer to Images1.1.1 and 1.1.2.

Image1.1.1

Image1.1.2

2. Disconnect the hose on the A-port. Refer to Image1.2.1.

3. Install a pressure gauge on A-port of the valve with adapters.

NOTE: Recommended adapters include 150-4027 Tee and 164-5567 Nipple.

Image1.2.1

4. Start the engine and increase the main pump pressure to 35 MPa with Stick In operation.

5. Loosen locknut (HEX13mm) (B) and slowly rotate adjustment bolt (HEX4mm) (C) clockwise. Adjust the A-port pressure to 12 MPa. Refer to Images1.3.1 and 1.3.2.

6. Tighten locknut (B).

7. Remove the pressure gauge and adapters from the A-port of the valve.