SEAL-CONNECTOR 2647031 - Caterpillar

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
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.
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 Numberand "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
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.
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%
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