PRODUCT SUPPORT PROGRAM FOR REPLACING THE EXHAUST BELLOWS ON CERTAIN C175-16 PETROLEUM ENGINES Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE EXHAUST BELLOWS ON CERTAIN C175-16 PETROLEUM ENGINES

Usage:

TEBE0541-01

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14Jan2014

(Revised 23Jul2014)

U-22

D-21

O-20

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*After Failure Only*	PRODUCT SUPPORT PROGRAM FOR REPLACING THE EXHAUST BELLOWS ON CERTAIN C175-16 PETROLEUM ENGINES
1059		PS52588

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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 can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS52588" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "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 14Jan2014 Service Letter. Changes have been made to the Affected Product, Parts Needed, Service Claim Allowances, and Rework Procedure.

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TERMINATION DATE

31Jan2016

PROBLEM

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The existing exhaust bellows can leak exhaust on certain C175-16 Petroleum Engines. If the existing exhaust bellows fail it will cause sooting and premature air filter clogging.

AFFECTED PRODUCT

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Model	Identification Number
*****Group 1*****
C175-16	P6L00108-00160, 1000-1030

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*****Group 2*****
C175-16	P6L01031-01061

PARTS NEEDED

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Qty	Part Number	Description
*****Group 1*****
14	4373038	BELLOWS AS
36	4425766	CLAMP-V-BAND
4	4502476	BELLOWS AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 18% 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.
*****Group 2*****
8	4425766	CLAMP-V-BAND
4	4502476	BELLOWS AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 18% 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 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*****
0-9000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
9001-18000 hrs, 49-96 mo	50.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 12.0-hour job for Group 1

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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*****
0-9000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
9001-18000 hrs, 49-96 mo	50.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 3.0-hour job for Group 2

PARTS DISPOSITION

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

Rework Procedure

Prior to performing repair, review video "Replacing the Exhaust Bellows on C175 Engines" at https://dealer.cat.com/Service-Training/Instructional-Videos.

396-9127 Bellows Tool Assembly is required to replace bellows without disturbing exhaust manifolds.

Perform these steps to Group 1 & Group 2 for replacing the exhaust crossover bellows.
1) Remove air cleaners.

Image1.2.1

2) Remove air cleaner support brackets.

Image1.3.1

3) Remove heat shielding over exhaust cross over and turbine outlet.

Image1.4.1

4) Use 396-9127 Bellows Tool Assembly to replace (4) cross over bellows. Lubricate threads of v-band clamps with Loctite C5A Copper Anti-Seize and tighten to 17 +/- 2 Nm (150 +/- 18 lbin). Refer to "Bellows Inspection" and "Bellows Installation" in Special Instruction, REHS7883.

Image1.5.1

Group 1 engines continue to step 5), Group 2 engines continue to step 7.

5) Remove heat shielding over exhaust log.

Image1.7.1

6) Use 396-9127 Bellows Tool Assembly to replace 14 main log bellows. Lubricate threads of the V-band clamps with Loctite C5A Copper Anti-Seize and tighten to 17 +/- 2 Nm (150 +/- 18 lbin). Refer to "Bellows Inspection" and "Bellows Installation" in Special Instruction, REHS7883.