PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE SHUTTLE VALVE ON CERTAIN D11R TRACK-TYPE TRACTORS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE SHUTTLE VALVE ON CERTAIN D11R TRACK-TYPE TRACTORS

Usage:

SEBE7839-02

November 22, 2001
(Revised February 2003)
U-321
A-222
AU-213
S-164
H-122
O-243

Show/hide table

*Safety*	PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE SHUTTLE VALVE ON CERTAIN D11R TRACK-TYPE TRACTORS
5079		PI10093

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI10093" 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 "PI10093" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "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.

NOTE: This Revised Service Letter replaces the November 22, 2001 (Revised January 2002) Service Letter. Changes have been made to the Affected Product.

PROBLEM

The dead engine shuttle valve needs to be inspected and possibly replaced on the products listed below. On the affected models, the valve does not perform properly and the implements (blade/ripper) cannot be lowered to the ground with the engine stopped. The suspended implements may cause personal injury if they drop to the ground suddenly. You will not be charged for the service performed.

AFFECTED PRODUCT

Show/hide table

Model	Identification Number
D11R	7PZ318-500 AAF134-170

PARTS NEEDED

1 ? 2126024 Valve Gp

ACTION REQUIRED

Inspect all of the machines within the serial number range. If the 2-digit alpha code on the end of the 6E3373 shuttle valve is greater than AD, for instance, AE through BH, then replace the valve with a new 2126024 valve. The new 2126024 valve will have a date stamp BH or later, and the supplier part number will be K2A060N539.

OWNER NOTIFICATION

U.S. and Canadian owners will receive the attached Owner Notification.

SERVICE CLAIM ALLOWANCES

Show/hide table

Caterpillar		Dealer Suggested		Customer Suggested
Parts	Labor Hrs.	Parts	Labor Hrs.	Parts	Labor Hrs.
100%	1.0	0	0	0	0
NOTE: This is a 1.0- hour job. NOTE: U.S. and Canadian Dealers Only - Eligible dealers may enter a Type 2 SIMS Report

PARTS DISPOSITION

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

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

Attach. (1-Owner Notification)
(2-Rework Procedure)

COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

SAFETY - INSPECTING AND POSSIBLY REPLACING THE SHUTTLE VALVE

MODELS INVOLVED - CERTAIN D11R TRACK-TYPE TRACTORS

Dear Caterpillar Product Owner:

Contact your local Caterpillar dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service. Please refer the dealer to their Service Letter dated November 22, 2001 when scheduling this service.

We regret the inconvenience this may cause you, but urge you to have this service performed for your added safety and satisfaction.

Caterpillar Inc.

Identification #(s)

Attached to November 22, 2001 Service Letter

Rework Procedure

NOTE: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.

PROCEDURE (Ref. Media Number RENR2049-01)

Move the machine to a smooth horizontal location. Move away from machines that are working. Move away from personnel. Lower all implements to the ground.
Permit only one operator on the machine. Keep all other personnel away from the machine.
Engage the parking brake.
Stop the engine.
Move the hydraulic control levers to all positions in order to release the pressure in the hydraulic system.
Carefully loosen the filler cap on the hydraulic tank in order to release the pressure.
Make sure that all of the hydraulic pressure is released before any fittings, hoses, or components are loosened. Make sure that the pressure in the accumulator is released as well.
Tighten the filler cap on the hydraulic tank.
The pressure in the system has now been released and lines or components can be removed.
Turn ignition key ON (Do Not restart engine).
Remove the floor plates from the machine.
Open 1625239 Machine Off Implement Lower Valve.
Cycle all controls a minimum of twelve times.
Turn ignition key OFF
Remove 6E3373 shuttle valve
Replace with 2126024 shuttle valve
Close 1625239 Machine Off Implement Lower Valve
Replace the floor plates.