PRODUCT SUPPORT PROGRAM FOR UPDATING THE CRANKSHAFT, CRANKSHAFT DOWELS, DAMPER ADAPTER, AND DAMPER AT OVERHAUL ON CERTAIN C175-16 GENERATOR SETS AND LOCOMOTIVE ENGINES Caterpillar

PRODUCT SUPPORT PROGRAM FOR UPDATING THE CRANKSHAFT, CRANKSHAFT DOWELS, DAMPER ADAPTER, AND DAMPER AT OVERHAUL ON CERTAIN C175-16 GENERATOR SETS AND LOCOMOTIVE ENGINES

Usage:

REBE8258-01

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16Jan2013

(Revised 24Oct2014)

U-16

A-14

D-17

O-16

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*Before/After*	PRODUCT SUPPORT PROGRAM FOR UPDATING THE CRANKSHAFT, CRANKSHAFT DOWELS, DAMPER ADAPTER, AND DAMPER AT OVERHAUL ON CERTAIN C175-16 GENERATOR SETS AND LOCOMOTIVE ENGINES
1202 1205		PS43820

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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 "PS43820" 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 16Jan2013 Service Letter. Changes have been made to the Title, Problem, Affected Product, and Action Required.

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TERMINATION DATE

31Jan2018

PROBLEM

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The existing crankshaft, crankshaft dowels, damper adapter and damper on certain C175-16 Generator Sets and Locomotive Engines operating in either a prime or continuous application, need to be updated at major overhaul. This update increases the overall durability of the connecting rod bearing. If the existing components are not replaced, this could lead to an unexpected rod bearing failure.

AFFECTED PRODUCT

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Model	Identification Number
C175-16	R1X00101-00113 WYB00100-00112, 114-118, 124-129, 131, 135-136, 138-454, 456-574, 576-677, 680, 682

PARTS NEEDED

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Qty	Part Number	Description
1	3567064	CRANKSHAFT AS
1	3627672	DAMPER GP-BASIC
1	3706871	ADAPTER
1	4230349	DOWEL
1	4230350	PIN-DOWEL
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 7% 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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Install the new crankshaft, damper adapter, and damper at major overhaul.

Carefully press in the 423-0350 Dowel into the rear 254-2075 Crankshaft Gear prior to installation unto the crankshaft.
Note: Ensure you are inserting the right end of the dowel, in order to achieve the press fit.

Carefully press in the 423-0349 Dowel into the flywheel gear prior to installation unto the crankshaft. Refer to Image1 for the correct orientation.

Refer to Disassembly and Assembly, RENR7466, for removal and installation instructions for Generator Sets.

Refer to Disassembly and Assembly, KENR8116, for removal and installation instructions for Locomotive Engines.

Refer to Engine News, "New Basic Engine Components Are Used in C175-16 Engines" for more information on the new crankshaft design.

NOTE: Ensure the correct connecting rod bearing that matches up to the new crankshaft that is used at overhaul. The rod bearings for the new crank are dual sourced and therefore have two part number options. Odd bank rod bearing part number options are 383-8347 or 376-6457 and even bank rod bearing part numbers are 383-8348 or 376-6458.

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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%
0-12000 hrs, 0-30 mo	0.0%	0.0%	0.0%	0.0%	100.0%	100.0%
12001-60000 hrs, 31-120 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 0.0-hour job
No additional hours allotted due to the fact that even if a customer or dealer did intended to reuse the crankshaft at overhaul, the crankshaft would still be removed in order to flush the block. The assumption is being made that new or remanufactured cylinder packs and new connecting rod bearings would be purchased by the customer as part of the standard overhaul parts list. This will ensure that the new part number connecting rods and rod bearings that are designed specifically for this crankshaft are also utilized. Please contact your district's product support representative with questions regarding this program.

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