PRODUCT SUPPORT PROGRAM FOR INSTALLING NEW SOFT UNLOADER VALVE GP IN THE BRAKE SYSTEM ON CERTAIN 797F OFF-HIGHWAY TRUCKS Caterpillar


PRODUCT SUPPORT PROGRAM FOR INSTALLING NEW SOFT UNLOADER VALVE GP IN THE BRAKE SYSTEM ON CERTAIN 797F OFF-HIGHWAY TRUCKS

Usage:

TEBE4555-01

01Jun2016
(Revised 01Feb2017)


P280
P291
R120

 

Before/After

 (Limited distribution) 
  

PRODUCT SUPPORT PROGRAM FOR INSTALLING NEW SOFT UNLOADER VALVE GP IN THE BRAKE SYSTEM ON CERTAIN 797F OFF-HIGHWAY TRUCKS

4257 4258 4263 4264 4265 4269 4280
PS45098
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 "PS45098" 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 01Jun2016 Service Letter. Changes have been made to the Affected Product.


TERMINATION DATE

30Jun2017

PROBLEM

The existing T2 line surges during unloading on certain 797F Off-Highway Trucks. This surging can cause damage to surrounding hoses and brackets.

AFFECTED PRODUCT

Model Identification Number
797F  LAJ00148-00150, 158-162, 164-167, 169-176, 181, 187, 218-219, 221, 247-250, 263, 265, 278, 324, 347, 397, 401, 406, 408, 410-411, 414-415, 418-420, 423, 425-427, 429, 431, 433, 435-438, 447, 449-450, 455-457, 462-463, 467, 469, 471-474, 486-490

PARTS NEEDED

Qty

Part Number Description
2 4D7388 CLIP-LOOP
1 4I7889 SPACER
1 5P7468 CLIP-HALF SLOT
1 5P7469 CLIP-HALF TANG
1 5P8444 GROMMET
1 6D4246 CLIP-LOOP
1 6V8636 ADAPTER-STR
1 6V8785 ADAPTER-TEE
1 6V9008 ADAPTER-ELBOW
1 6V9833 CAP AS
1 6V9840 ADAPTER-TEE
1 8T1905 ADAPTER-ELBOW
6 8T4121 WASHER-HARD
1 8T4136 BOLT-HEX HEAD
4 8T4139 BOLT-HEX HEAD
2 8T4178 BOLT-HEX HEAD
4 8T4223 WASHER-HARD
1 8T5436 BOLT-HEX HEAD
1 8T7970 ADAPTER-ELBOW
1 9S4181 PLUG-LD STOR
2 1176496 BLOCK
1 1705715 SEAL-O-RING
2 2147568 SEAL-O-RING-STOR
2 2287089 SEAL-O-RING-ORFS
7 2287093 SEAL-O-RING-ORFS
1 2385082 SEAL-O-RING-STOR
3 2385084 SEAL-O-RING-STOR
1 2684779 STUD-TAPERLOCK
2 3445675 NUT-HEX
1 3978133 VALVE GP-CHECK-E
1 4173133 PLUG AS
1 4211762 PLATE AS
1 4221069 HOSE AS
1 4433702 HOSE AS
1 4476643 HOSE AS
1 4476644 HOSE AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% 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 and see Special Instruction
REHS8631 "Procedure to Update the Brake Control System on 797F OffHighway
Trucks" for the Rework Procedure.

This parts group is for machines with RAX cooling.

This program does not include support to update the filter group.

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
0-40000 hrs,
0-72 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 18.0-hour job



PARTS DISPOSITION

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

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