PRODUCT SUPPORT PROGRAM FOR REWORKING THE FRAME HARDWARE ON CERTAIN 777F AND 777G OFF-HIGHWAY TRUCK Caterpillar

PRODUCT SUPPORT PROGRAM FOR REWORKING THE FRAME HARDWARE ON CERTAIN 777F AND 777G OFF-HIGHWAY TRUCK

Usage:

TEBE4788-00

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17Jun2016

K311
K319
K350
K380
K632

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Before/After (Limited distribution)	PRODUCT SUPPORT PROGRAM FOR REWORKING THE FRAME HARDWARE ON CERTAIN 777F AND 777G OFF-HIGHWAY TRUCK
7755 7051 0679		PS45122

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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 "PS45122" 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.

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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.

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TERMINATION DATE

30Jun2018

PROBLEM

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The mounting block welds for the brake accumulators and or the torque converter filter can develop weld fatigue cracks on certain 777F and 777G Off-Highway Trucks. If a crack occurs in the fillet weld toe the crack can propagate to the frame rail plate.

AFFECTED PRODUCT

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Model	Identification Number
*****Group 1*****
777F	JRP02033-02037, 2169, 2175-2183, 2307-2308, 2639, 2641, 2643, 2646, 2648, 2676, 2680, 2715, 2717, 2751, 2753-2754, 2963-2964, 3172, 3174

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*****Group 2*****
777G	TNM00112, 114, 118-120, 122, 124, 135, 137, 139, 141, 159-162, 164, 166, 290-291, 293, 295, 297, 639-640, 765-767, 788

PARTS NEEDED

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No parts needed for this program

ACTION REQUIRED

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Refer to the attached Rework Procedure.

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SERVICE CLAIM ALLOWANCES

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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%
*****Group 1*****
0-60000 hrs, 0-96 mo	0.0%	100.0%	0.0%	0.0%	100.0%	0.0%

NOTE: This is a 54.0-hour job for Group 1
This is an 54 hour job or 18 hours maximum per location, including time required for disassembly, TIG dress and reassembly for Locations A, B and C as described in Rework Procedure.

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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%
*****Group 2*****
0-60000 hrs, 0-96 mo	0.0%	100.0%	0.0%	0.0%	100.0%	0.0%

NOTE: This is a 36.0-hour job for Group 2
This is an 36 hour job or 18 hours maximum per location, including time required for disassembly, TIG dress and reassembly for Locations D and E as described in Rework Procedure.

PARTS DISPOSITION

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

Rework Procedure

Refer to the Service Manual if/as necessary and refer to "Post Weld Treatment-TIG Dressing" section of Special Instruction SEHS0047 "Procedure to Repair the Hoist Control Mounting Plate on Certain 777F Off-Highway Trucks" for TIG Dressing requirements.

Frame hardware requiring TIG dressing.

Location A (777F LHS outside of frame) - brake accumulator mounting blocks