PRODUCT SUPPORT PROGRAM FOR REMOVING RUST ON CERTAIN 424B BACKHOE LOADERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REMOVING RUST ON CERTAIN 424B BACKHOE LOADERS

Usage:

TEBE2867-00

Show/hide table

09Apr2015

D-127

Show/hide table

After Failure Only	PRODUCT SUPPORT PROGRAM FOR REMOVING RUST ON CERTAIN 424B BACKHOE LOADERS
7000		PS52906

Show/hide table

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 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 "PS52906" 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.

Show/hide table

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.

Show/hide table

TERMINATION DATE

30Apr2016

PROBLEM

Show/hide table

Certain unpainted machined surfaces may get rusted at the dealer or customer location on certain 424B Backhoe Loaders.

AFFECTED PRODUCT

Show/hide table

Model	Identification Number
424B	JRN01000-01100, 1102-1280, 1282-2146, 2148-2166, 2168-2223, 2229-2231, 2233, 2235, 2237, 2239
424B HD	JRY01000-01032

PARTS NEEDED

Show/hide table

Qty	Part Number	Description
1	BONDERITELGP4141	RUST PREVENTATIVE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% 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

Show/hide table

Refer to the attached Rework Procedure.

Show/hide table

SERVICE CLAIM ALLOWANCES

Show/hide table

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%
0-3000 hrs, 0-12 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
3001-4000 hrs, 13-24 mo	0.0%	0.0%	0.0%	0.0%	100.0%	100.0%
4001-5000 hrs, 25-36 mo	0.0%	0.0%	0.0%	0.0%	100.0%	100.0%

Show/hide table

NOTE: This is a 3.0-hour job

Show/hide table

PARTS DISPOSITION

Show/hide table

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

Rework Procedure

Show/hide table

Rework Procedure for removing rust from pins/clamp cylinder area/machined surfaces.

Note: Please read all of the steps before start of this Rework Procedure.

Note: The operator should wear a helmet, gloves, safety glasses, ear protection, and safety shoes, while completing this Rework Procedure.

Preparation for Rework Procedure:

1. Park the machine on a level surface. If you must park on a grade, chock the machine.

2. Apply the service brake in order to stop the machine. Move the transmission control lever to the NEUTRAL position.

3. Move the speed control lever to the LOW IDLE position.

4. Engage the parking brake.

5. Engage the transmission neutral lock.

6. Lower all work tools to the ground.

7. Stop the engine using engine shut-off cable.

8. Move the hydraulic control levers back and forth in order to relieve hydraulic pressure. Refer to the Disassembly and Assembly, "System Pressure - Release", for additional information.

9. Turn the engine start switch to OFF position and remove the key.

Rework Procedure:

1. Inspect all the pins and machined surface area for any rust on the machine.

2. Sand the rust surface area with the help of sand papers (grit size 400) until a rust free surface appears visibly. Refer to Image1.2.1.

Note: Ensure that the adjacent painted surfaces are not damaged.

Image1.2.1

3. Wipe the sanded area with a lint free cloth and ensure that there is no dirt/lint on the surface. Refer to Image1.3.1.

Image1.3.1

4. Use Isopropyl alcohol (IPA) to wipe the sanded surface and then air blow. Refer to Image1.4.1.

Image1.4.1

5. Stir the rust preventive oil well before applying.

6. Apply the rust preventive oil at sanded area using 16mm brush.

Refer to Image1.5.1.

Image1.5.1

7. Wipe off any the rust preventive oil spread over an adjacent surface.

8. Allow the coated surface to dry for at least 60 minutes.

Note: Bonderite L-GP 4141 is available from Henkel/Loctite through the Cat Dealer Program at http://proloctite.com/caterpillar.