PRODUCT SUPPORT PROGRAM FOR THE TRANSMISSION ON CERTAIN 797F AND 797F XQ OFF-HIGHWAY TRUCKS Caterpillar


PRODUCT SUPPORT PROGRAM FOR THE TRANSMISSION ON CERTAIN 797F AND 797F XQ OFF-HIGHWAY TRUCKS

Usage:

TEBE8827-01

22Mar2019
(Revised 27Mar2019)


U-149
A-123
D-126
O-131

 

Before/After

  
 Parts stock action needed 

PRODUCT SUPPORT PROGRAM FOR THE TRANSMISSION ON CERTAIN 797F AND 797F XQ OFF-HIGHWAY TRUCKS

3030 7750
PS46169
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 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 "PS46169" 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:

When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7755" as the Group Number, "56" as the Description Code.

NOTE:

Although this Program is to be administered as described above on the Affected Product, parts should be removed from parts stock as soon as possible.

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 22Mar2019 Service Letter. Changes have been made to the Parts Needed and Service Claim Allowances.


TERMINATION DATE

31Mar2021

PROBLEM

The existing 446-9392 and 20R-3632 Transmission Arrangements on 797F and 797F XQ Off-Highway Trucks may prematurely fail and lead to unsatisfactory component life. One failure mode contributing to poor component life is transmission clutch 1 and clutch 2 failures. Extensive design changes have been made to transmission clutches 1 and 2 to improve the component durability.

AFFECTED PRODUCT

Model Identification Number
797F LAJ00141-00659

LTZ00140-00151
797F XQ  WSP00100-00129

PARTS NEEDED

Qty

Part Number Description
1 3S1282 RING-SEAL
14 4J1386 SPRING - Note A
16 5P8245 WASHER-HARD
12 6V4248 BOLT
8 6V5839 WASHER-HARD
16 6V8675 BOLT
6 8E5623 DOWEL-REACTION
1 9G8718 RING-SEAL
1 9G9127 RING-SEAL
1 9G9558 RING-SEAL
2 1672009 ELEMENT-HYD
2 1733272 DISC AS-FRICTION - Note A
6 2443114 VALVE GP-MDL -C
1 2562288 VALVE GP-MDL -C
8 2859200 DISC-THRUST
6 3886546 SPRING
1 4434047 GASKET KT-DT TXG
6 4458568 DOWEL
24 4469233 SPRING-WAVE
1 4480422 HARNESS AS
1 4819789 HARNESS AS
1 4860415 KIT-DT BEARING
2 5031424 PLATE-CLUTCH - Note A
78 5143285 SPRING-WAVE
1 5253942 HOUSING AS-CL - Note A
1 5253944 PISTON-CLUTCH - Note A
1 5253945 PISTON - Note A
5 5253946 PLATE-CLUTCH - Note A
1 5253947 PLATE-END - Note A
1 5253948 GEAR AS - Note A
1 5253952 HOUSING AS - Note A
1 5253957 PLATE AS - Note A
1 5253961 COUPLING - Note A
5 5265882 DISC AS-FRICTION - Note A
1 5267033 PISTON-CLUTCH - Note A
1 5459473 PISTON-CLUTCH - Note A
30 5576307 SPRING - Note A
1 5748155 RING-RETAINING - Note A
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 20% 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

****Parts Stock ****

Rework all 446-9392 and 20R-3632 Transmissions in dealer exchange stock to the 525-3960 (MNY prefix) Transmission Arrangement. Use the required parts from the Parts Needed section for the rework required.

 
 
****Affected Product****
Refer to the Service Manuals if/as necessary and see Special Instruction M0100737 to rework the transmission. The special instruction includes details on converting the transmission serial prefix from JH5 to MNY (using the existing numerical digits). The transmission reworks are recommended during component PCR or during an after failure condition.

Note: Always use the latest software available. Some of these flash file part numbers may be updated before the program terminates. Reference the correct installation procedure details as component damage may occur if the correct installation sequence/configuration is not followed properly.

SERVICE CLAIM ALLOWANCES

****Parts Stock****

Submit one claim for all parts removed from dealer parts stock. 80 hours of labor and the required parts from the Parts Needed will be allowed for each dealer exchange transmission that is reworked.

 
 
****Affected Product****
Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
0-10000 hrs,
0-24 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
10001-14000 hrs,
25-36 mo 
33.0%
50.0%
0.0%
0.0%
50.0%
50.0%
14001-30000 hrs,
37-80 mo 
0.0%
25.0%
0.0%
0.0%
75.0%
75.0%
 NOTE: This is a 115.0-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.

Please note the components designated with note A in the "Parts Needed" table are to be 100% covered by Caterpillar for any given transmission hour rebuild/repair interval. These parts (designated note A) are new components specific to the 525-3960 Arrangement. All other parts in the "Parts Needed" column would follow the service claim allowance table as shown.



PARTS DISPOSITION

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

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

Caterpillar Information System:

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