PRODUCT SUPPORT PROGRAM FOR REWORKING THE 253-2439 DECELERATOR PEDAL GROUP ON CERTAIN D6K XL AND D6K LGP TRACK-TYPE TRACTORS Caterpillar


PRODUCT SUPPORT PROGRAM FOR REWORKING THE 253-2439 DECELERATOR PEDAL GROUP ON CERTAIN D6K XL AND D6K LGP TRACK-TYPE TRACTORS

Usage:

REBE2329-05

07Aug2007
(Revised 18Jun2008)


U-380
A-314
D-312
O-338

 
Before/After
  
  

PRODUCT SUPPORT PROGRAM FOR REWORKING THE 253-2439 DECELERATOR PEDAL GROUP ON CERTAIN D6K XL AND D6K LGP TRACK-TYPE TRACTORS

4122
PS42481
NOTE:

This Program must be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS42481" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "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 07Aug2007 (Revised 23May2008) Service Letter. Changes have been made to modify the Problem, to add a note in the Service Claim Allowances, and to add a step in the Action Required.


TERMINATION DATE

31Aug2009

PROBLEM

The existing 253-2439 Decelerator Pedal Group can cause sticky pedal or harsh braking on certain D6K XL and D6K LGP Track-Type Tractors. If the pedal is not fully released during calibration it can generate inadequate decel pedal modulation. That leads to harsh braking. If the existing pedal sticks, it can be reworked by loosening the nut and changing the spring & the seat/cup. If the machine is jerky during braking this can be due to pedal sticking.

AFFECTED PRODUCT

Model Identification Number
*******Group  1*******
D6K LGP  DHA00207-00655
D6K XL  FBH00329-00806
*******Group  2*******
D6K XL  NCF00001-00043

PARTS NEEDED

Qty

Part Number Description
*******Group 1*******
1 6S3859 WASHER
1 1113780 SPRING
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 9% 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.
*******Group 2*******
1 6S3859 WASHER
1 1113780 SPRING
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 9% 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

Remove the pedal from the cab.
Change the spring and the seat by a washer. Refer to image 2. Adjust the nut to 14 mm. Refer to Image 3. Check the function of the pedal by releasing it very slowly. If the pedal sticks, loosen the nut an additional 1 mm, and check the function of the pedal again. Repeat adjusting the nut in 1 mm increments until pedal function is good.
Perform calibration after adjusting the pedal.
Image1
Image2
Image3

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 1*******
0-1000 hrs,
0-12 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
1001-2000 hrs,
13-24 mo 
33.0%
50.0%
0.0%
0.0%
50.0%
50.0%
 NOTE: This is a 2.0-hour job for Group 1

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 2*******
0-1000 hrs,
0-12 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
1001-2000 hrs,
13-24 mo 
33.0%
50.0%
0.0%
0.0%
50.0%
50.0%
 NOTE: This is a 2.0-hour job for Group 2



PARTS DISPOSITION

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

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