PRODUCT SUPPORT PROGRAM FOR REPLACING 197-9732 U-BOLT ON THE AIR INLET TUBE ON CERTAIN 3516B LOCOMOTIVE ENGINES, 3516B GENERATOR SETS, 3516C GENERATOR SETS, AND PM3516 POWER MODULES Caterpillar


PRODUCT SUPPORT PROGRAM FOR REPLACING 197-9732 U-BOLT ON THE AIR INLET TUBE ON CERTAIN 3516B LOCOMOTIVE ENGINES, 3516B GENERATOR SETS, 3516C GENERATOR SETS, AND PM3516 POWER MODULES

Usage:

TEBE2358-02

10Feb2015
(Revised 05Oct2015)


U-54
A-36
D-49
O-49

 

After Failure Only

  
  

PRODUCT SUPPORT PROGRAM FOR REPLACING 197-9732 U-BOLT ON THE AIR INLET TUBE ON CERTAIN 3516B LOCOMOTIVE ENGINES, 3516B GENERATOR SETS, 3516C GENERATOR SETS, AND PM3516 POWER MODULES

7231
PS52878
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 "PS52878" 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.

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.

 
NOTE:

This Revised Service Letter replaces the 10Feb2015 (Revised 12Feb2015) Service Letter. Changes have been made to the Affected Product and Service Claim Allowances.


TERMINATION DATE

28Feb2017

PROBLEM

The existing 197-9732 U-bolt is fretting which causes corrosion and leads to a fatigue failure of the bolt on certain 3516B Locomotive Engines, 3516B Generator Sets, 3516C Generator Sets, and PM3516 Power Modules.

AFFECTED PRODUCT

Model Identification Number
3516B 6HZ00100-00340

YAT00120-00962, 91001-91008
3516C  SFJ00101-00739, 741, 743-781, 783
3516C HD SCK00112-00123

SEK00101-01054, 1057

SFK00101-00121

SKC00101-00124
PM3516  NBR00100-00294, 296-669, 674-678, 695-947

PARTS NEEDED

Qty

Part Number Description
8 2K4973 LOCKNUT
8 9X6458 WASHER-HARD
4 4529342 CLAMP AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 2% 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

Refer to the attached Rework Procedure.

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
0-12000 hrs,
0-48 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 1.0-hour job



PARTS DISPOSITION

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


Rework Procedure


 
Band Clamp 452-9342 Assembly Instructions

1. Remove the existing u-bolt (197-9732), washers, spacers and nuts from one location.
2. Orient the band clamp (452-9342) so that the welds are outboard as shown in the image below.
3. Place the upper t-bolt in the upper bolt hole of the support bracket.
4. Place a washer (9X6458) and lock nut (2K4973) on the upper t-bolt and tighten to finger tight.
5. Place the lower t-bolt in the lower bolt hole of the support bracket.
6. Place a washer (9X6458) and lock nut (2K4973) on the lower t-bolt and tighten to finger tight.
7. Tighten both nuts down evenly so that thread protrusion is approximately the same.
8. Tighten each nut to 15+/-2 Nm.
Image1.1.1
 
 

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