PRODUCT SUPPORT PROGRAM FOR REPLACING THE VIBRATION DAMPER ON CERTAIN C175-16 PETROLEUM ENGINES Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE VIBRATION DAMPER ON CERTAIN C175-16 PETROLEUM ENGINES

Usage:

TEBE2673-00

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13May2015

U-235

D-186

O-193

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Before/After	PRODUCT SUPPORT PROGRAM FOR REPLACING THE VIBRATION DAMPER ON CERTAIN C175-16 PETROLEUM ENGINES
1205		PS44737

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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 "PS44737" 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

31May2017

PROBLEM

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The existing vibration damper can leak oil from the front or rear seal on certain C175-16 Petroleum Engines.

AFFECTED PRODUCT

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Model	Identification Number
*****Group 1*****
C175-16	P6L00103, 105-160

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*****Group 2*****
C175-16	P6L01000-01030

PARTS NEEDED

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Qty	Part Number	Description
*****Group 1*****
2	6V9028	SEAL-O-RING
1	1463173	DOWEL
12	2400312	BOLT-12 POINT HD
2	2416157	PLUG-HD STOR
1	3627672	DAMPER GP-BASIC
1	3706871	ADAPTER
1	3972457	DOWEL
12	4781756	WASHER-HARD
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 11% 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*****
2	6V9028	SEAL-O-RING
2	1463173	DOWEL
12	2400312	BOLT-12 POINT HD
2	2416157	PLUG-HD STOR
1	3627672	DAMPER GP-BASIC
1	3706871	ADAPTER
12	4781756	WASHER-HARD
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 11% 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*****
0-6000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
6001-12000 hrs, 49-60 mo	75.0%	75.0%	0.0%	0.0%	25.0%	25.0%
12001-18000 hrs, 61-72 mo	50.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 3.0-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*****
0-6000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
6001-12000 hrs, 49-60 mo	75.0%	75.0%	0.0%	0.0%	25.0%	25.0%
12001-18000 hrs, 61-72 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

1.) Set cylinder number 1 to Top Dead Center (TDC).

2.) Remove current damper guard, damper, hub and seals. Refer to the removal procedure in UENR5600.

3.) Assemble 6V-9028 O-ring to 241-6157 Plug. Complete this step for both plugs.

4.) Install plug assembly to the supply and return hole in the crank.

5a.) For Type I cranks: install 397-2457 Dowel to the flat side of 370-6871 Hub. Then, install 146-3173 Dowel to the other side of the hub with the extension.

5b.) For Type II cranks: install 146-3173 Dowel to both sides of 370-6871 Hub.

6.) Install hub to crank using 323-4712 Guide Bolts.

7.) Install 362-7672 Damper.

8.) Install 240-0312 Bolts with 478-1756 Washer.

9.) First, tighten the four bolts located in the A, B, C and D locations. Tighten the bolts to 350 +/- 50Nm (258 +/- 37 lb-ft). Refer to Image1.1.1.

10.) Use a star pattern in tightening the eight remaining bolts. Tighten the bolts to 350 +/- 50Nm (258 +/- 37 lb-ft) . Refer to Image1.1.1.

11.) Tighten the bolts a second time using the same pattern. Tighten all bolts to 800 +/- 50Nm (516 +/- 37 lb-ft).