PRODUCT SUPPORT PROGRAM FOR CHECKING AND POSSIBLY RETIGHTENING THE ALTERNATOR MOUNTING BOLTS ON CERTAIN C175-16 AND C175-20 GENERATOR SETS Caterpillar

PRODUCT SUPPORT PROGRAM FOR CHECKING AND POSSIBLY RETIGHTENING THE ALTERNATOR MOUNTING BOLTS ON CERTAIN C175-16 AND C175-20 GENERATOR SETS

Usage:

TEBE8067-00

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20Aug2018

U-492

D-435

O-438

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Before/After	PRODUCT SUPPORT PROGRAM FOR CHECKING AND POSSIBLY RETIGHTENING THE ALTERNATOR MOUNTING BOLTS ON CERTAIN C175-16 AND C175-20 GENERATOR SETS
1154 1405		PS45986

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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 "PS45986" 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

31Aug2020

PROBLEM

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The alternator mounting bolts could have low torque on certain C175-16 and C175-20 Generator Sets. If the existing bolts are loose it can lead to early failure of drive belt and or possible damage to alternator.

AFFECTED PRODUCT

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Model	Identification Number
C175-16	WYB02157-02176, 2178-2180, 2182
C175-20	BXR01997-02005, 2007, 2009

PARTS NEEDED

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Qty	Part Number	Description
2	0951687	SEAL-O-RING
2	2589926	GASKET
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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Bolt 1 in Image 1 is accessible without disassembly. Verify that the torque is to specification 65.5 +/- 7.5 NM (48 +/- 5.5 lb-ft). If correct, then no further action is required. If torque is found low disassemble front left air inlet manifold as per Disassembly and Assembly, RENR7466 to gain access to all alternator mounting fasteners. Apply correct torque to four mounting bolts. Reassemble inlet manifold with new gaskets and o-rings.

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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%
0-1000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%