PRODUCT SUPPORT PROGRAM FOR REPLACING THE AFTERCOOLER PLENUM BOLTS ON CERTAIN C175-20 LOCOMOTIVE ENGINES Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE AFTERCOOLER PLENUM BOLTS ON CERTAIN C175-20 LOCOMOTIVE ENGINES

Usage:

TEBE6648-03

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08Sep2017

(Revised 17May2018)

U-465

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Before/After	PRODUCT SUPPORT PROGRAM FOR REPLACING THE AFTERCOOLER PLENUM BOLTS ON CERTAIN C175-20 LOCOMOTIVE ENGINES
1071 1063		PS45599

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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 "PS45599" 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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NOTE:	This Revised Service Letter replaces the 08Sep2017 (Revised 20Feb2018) Service Letter. Changes have been made to the Affected Product.

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TERMINATION DATE

30Sep2019

PROBLEM

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The existing aftercooler can leak on certain C175-20 Locomotive Engines. If the existing aftercooler leaks it can/will cause a decrease in boost pressure and high exhaust temperatures.

AFFECTED PRODUCT

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Model	Identification Number
C175-20	R4F00100-00141

PARTS NEEDED

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Qty	Part Number	Description
5	6V5842	BOLT-HEX HEAD
41	8T4172	BOLT-HEX HEAD
5	0910081	WASHER-HARD
2	2473393	CLAMP-V-BAND
1	3899659	BELLOWS AS
41	4394789	SPACER
1	4433424	GASKET-EXHAUST
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

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1. Remove the 389-9659 Bellow and 443-3416 Elbow (Image1).

2. Remove 46 6V-3822 Bolts and 46 6V-5839 Washers around the perimeter of the aftercooler (Image2).

NOTE: Bolts should be removed and replaced one at a time.

NOTE: Do not remove the 8T-0644 Bolts that retain the water lines at the top of the aftercooler.

NOTE: Loctite 243 must be applied to the bolts for Step 3.

3. Install the 5 6V-5842 Bolts and 5 091-0081 Washers at the location between the aftercooler and intake elbow. Install the 41 8T-4172 Bolts and 41 439-4789 Washers around the perimeter of the intake plenum (Image2). Tighten the bolts to 65 Nm

4. Tighten all of the bolts again to 65 Nm.

5. Machine the 443-3416 Elbow (Image3) to allow for bolt clearance. Use the center of the bolt holes for the datum.

6. Install the reworked 443-3416 Elbow. Ensure there is clearance between elbow and bolts.

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Image1

Image2

Image3

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%
0-6000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%