Product Support Program For Installing Brake Line Fitting Guards On Certain D400E Articulated Trucks Caterpillar

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 Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS4000" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use "T" as the SIMS Description Code. If administered after failure, use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

NOTE: This Revised Service Letter replaces the July 10, 1997 Service Letter. Changes have been made to the Parts Needed and Rework Procedure.

Termination Date

Problem

Guards can be installed on the 123-4852, 123-4853, and 1234854/">123-4854 Front, Center, and Rear Axle Groups to provide protection for the hydraulic brake fittings on certain D400E Articulated Trucks.

Affected Product
Model & Identificaiton Number

D400E (2YR1-544, 2YR553, 2YR595, 2YR596)

Parts Needed

8 - 7F5227 Bolt

12 - 5P8248 Washer-Hard

4 - 9X8888 Bolt

2 - 1412186 Plate As.-Guard

2 - 1412187 Plate As.-Guard

1 - 1412188 Plate-Guard

1 - 1412189 Plate-Guard

Action Required

See the attached procedure.

Service Claim Allowances

NOTE: This is a 4-hour job to install the guards on all six wheels.

Parts Disposition

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

Attach.

(1-Rework Procedure)

Rework Procedure

Refer to the Service Manual as necessary and install the gauards as shown in the Illustrations 1, 2, and 3.

Parts for 1234852 Front and 1234853 Center Axle Groups. Quantities listed are per axle.

Parts for 1234854 Rear Axle Group

Parts location for 1234852 Front Axle Group

Parts location for 1234853 Center Axle Groups

Parts location for 1234854 Rear Axle Group