PRODUCT SUPPORT PROGRAM FOR REMOVING AND REPLACING THE 398-0940 SWITCH ASSEMBLY FROM THE C9 (8.8 L) ENGINE AND RELOCATING TO THE UPPER FRAME ON CERTAIN 521B AND 522B TRACK FELLER BUNCHERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REMOVING AND REPLACING THE 398-0940 SWITCH ASSEMBLY FROM THE C9 (8.8 L) ENGINE AND RELOCATING TO THE UPPER FRAME ON CERTAIN 521B AND 522B TRACK FELLER BUNCHERS

Usage:

TEBE5596-00

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14Feb2017

U-85

A-56

D-65

O-67

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Before/After	PRODUCT SUPPORT PROGRAM FOR REMOVING AND REPLACING THE 3980940/">398-0940 SWITCH ASSEMBLY FROM THE C9 (8.8 L) ENGINE AND RELOCATING TO THE UPPER FRAME ON CERTAIN 521B AND 522B TRACK FELLER BUNCHERS
7499		PS45389

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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 "PS45389" 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

28Feb2019

PROBLEM

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The existing 3980940/">398-0940 Switch Assembly can short out and cause an open circuit resulting in overheat on certain 521B and 522B Track Feller Bunchers.

AFFECTED PRODUCT

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Model	Identification Number
521B	F7B00250-00382
522B	F7C00210-00338

PARTS NEEDED

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Qty	Part Number	Description
2	5C2890	NUT-HEX
2	6V1889	CLIP-LOOP
2	6V5839	WASHER-HARD
2	6V6317	BOLT
2	6V8225	NUT-HEX
4	7K1181	STRAP-CABLE
1	8T4121	WASHER-HARD
1	8T4133	NUT
2	8T4138	BOLT-HEX HEAD
4	8T4224	WASHER-HARD
4	8T6869	BOLT-HEX HEAD
1	9G8451	BLOCK AS
4	9X8256	WASHER
2	9X8267	WASHER-HARD
1	0908635	SPACER
4	1019759	SPACER
2	2089277	BOLT-FLANGE HD
1	2310336	STUD-TAPERLOCK
2	3537952	GROMMET
1	3980940	SWITCH AS-MAG
1	5153177	PLATE
1	5153178	PLATE
1	5153182	HARNESS AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 13% 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

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Refer to M0079146, Special Instruction, "Relocating the Engine Air Intake Magnetic Switch on 521B and 522B Track Feller Bunchers", to complete the Rework Procedure.

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Image1

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%
0-4000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%