PRODUCT SUPPORT PROGRAM FOR REPLACING THE LIFT CYLINDER POSITION SENSOR GROUP ON CERTAIN 836H AND 836K LANDFILL COMPACTORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE LIFT CYLINDER POSITION SENSOR GROUP ON CERTAIN 836H AND 836K LANDFILL COMPACTORS

Usage:

TEBE1425-00

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30May2014

U-303

A-222

D-273

O-259

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*After Failure Only*	PRODUCT SUPPORT PROGRAM FOR REPLACING THE LIFT CYLINDER POSITION SENSOR GROUP ON CERTAIN 836H AND 836K LANDFILL COMPACTORS
5102		PS52680

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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 "PS52680" 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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TERMINATION DATE

31May2016

PROBLEM

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The existing lift cylinder position sensor group can fail on certain 836H and 836K Landfill Compactors. If the existing sensor group fails, it will require replacement and an addition of a port plug to the position sensing cylinder group in order to prevent moisture ingression.

AFFECTED PRODUCT

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Model	Identification Number
836H	BXD00239-00512, 600-814, 1000-1093, 1200-1255, 10347, 75001-75004
836K	TWZ00250-00254, 401-432

PARTS NEEDED

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Qty	Part Number	Description
1	3J1907	SEAL-O-RING-STOR
1	9S8004	PLUG-LD STOR
1	2349005	SENSOR GP-POS
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 RENR6224, Disassembly and Assembly, "Lift Cylinder - Remove and Install", in order to complete this Rework Procedure.

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%
0-5000 hrs, 0-36 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
5001-8000 hrs, 37-48 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

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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.

Rework Procedure

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Rework Procedure for the 234-9000 Position Sensing Cylinder Groups with 234-9005 Sensor Groups.

1. Remove the cylinder from machine. Refer to the Operation and Maintenance Manual for your machine for the recommenced safety procedures.

2. Disassemble the cylinder and remove the sensor group.

3. Chase open STOR port threads with 9/16-18 tap, as needed, in order to remove paint and rust. Refer to Image1.1.1 for the location.

Image1.1.1

4. Flush all debris from the port and sensor cavity with approved solvent.

5. Remove all excess solvent.

6. Replace the 234-9005 Sensor Group with a new 234-9005 Sensor Group.

7. Reassemble the cylinder.

Note: Excessive force or impact loads may damage sensor group during assembly. Use of
proper tools is required.

8. Add a 9S-8004 Plug with 3J-1907 O-ring to the open STOR port. Tighten to a specified torque of 25 +/- 3 N.m.

9. Touch-up paint, as needed.

10. Install the cylinder group on machine.

Addition of the plug and O-ring will prevent moisture ingression to the sensor cavity.