PRODUCT SUPPORT PROGRAM FOR UPDATING THE INTER AXLE DIFFERENTIAL LOCK HYDRAULIC CONTROL SYSTEM ON CERTAIN 740B EJECTOR ARTICULATED TRUCKS Caterpillar


PRODUCT SUPPORT PROGRAM FOR UPDATING THE INTER AXLE DIFFERENTIAL LOCK HYDRAULIC CONTROL SYSTEM ON CERTAIN 740B EJECTOR ARTICULATED TRUCKS

Usage:

TEBE2811-00

12Mar2015


U066
U06F

 
Containment -
After Failure Only

 (Limited distribution) 
  

PRODUCT SUPPORT PROGRAM FOR UPDATING THE INTER AXLE DIFFERENTIAL LOCK HYDRAULIC CONTROL SYSTEM ON CERTAIN 740B EJECTOR ARTICULATED TRUCKS

7777 3256 5571 7620 3258
PS61288
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 Containment Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer and service rep. Obtain the service reps Goodwill Approver Code before completing the repair. EAME dealers should use their standard Industry Group specific goodwill approval codes. The Goodwill Approver Code must be included when submitting the claim.

NOTE:

When reporting the repair, use "PS61288" as the Part Number and "7777" as the Group Number. Use "96" as Warranty Claim Description Code and use "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.


TERMINATION DATE

31Mar2017

PROBLEM

The hydraulic control system for the inter-axle differential (IAD) lock may generate high oil pressure spikes which may result in premature failure of the output transfer gear (OTG) oil filter, the oil filter base, or the oil cooler on certain 740B Ejector Articulated Trucks. A new control system has been introduced to eliminate the cause of the oil pressure spikes.

AFFECTED PRODUCT

Model Identification Number
740B  L4E00672, 687, 690, 701-702, 715-716, 745, 763, 784

PARTS NEEDED

Qty

Part Number Description
1 2M9780 SEAL-O-RING-STOR
7 3D2824 SEAL-O-RING-STOR
3 3J1907 SEAL-O-RING-STOR
2 3K0360 SEAL-O-RING
2 3S2093 STRAP-CABLE
1 5F7054 SEAL-O RING
2 6F6672 SEAL-O RING
2 6U0456 LASHING TIE 20
3 6V8397 SEAL-O-RING-ORFS
10 6V9746 SEAL-O-RING-ORFS
1 3447391 SENSOR GP-PRESS
1 3488094 CORE AS-OCLR
1 3587904 FILTER GP-O(BSC)
1 3605604 VALVE AS-CONTROL
1 3869746 VALVE GP-SOL&RLF
1 4479440 TUBE AS
1 4486323 HOSE AS
1 4560184 SFWR GP-A3001
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 10% 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

Refer to the Service Manual if/as necessary. To install the new control system, carry out the rework procedure detailed in Special Instruction, REHS9444, "Procedure to Update the Inter Axle Differential Lock Hydraulic Control System On Certain 735B, 740B, and 740B Ejector Articulated Trucks".

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
0-10000 hrs,
0-60 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 10.0-hour job

If there has been a previous repair, part age/hours will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim.




PARTS DISPOSITION

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

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