ROD END 8C7315 - Caterpillar

REBE8238-00
18Apr2012
O-199
Before/After
PRODUCT SUPPORT PROGRAM FOR REWORKING THE EXCITER ROTOR ON CERTAIN 3512 GENERATOR SETS
4457 4481 4454 4470 PS43571
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 "PS43571" as the Part Numberand "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.
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.
TERMINATION DATE
30Apr2014
PROBLEM
The existing exciter rotor may become loose on the rotor shaft on certain 3512 generator sets with SR5 1400 frame generators. If the existing exciter rotor becomes loose, resultant damage to the generator and its components may occur. Rework of the exciter rotor and/or rotor assembly will be required to prevent exciter rotor loosening.
AFFECTED PRODUCT
Model Identification Number
3512 YAK00215, 217-218, 353, 355, 358-359, 361, 364, 369, 376, 452, 491-493, 495-498, 540-541
PARTS NEEDED
No parts needed for this program
ACTION REQUIRED
1. Isolate the generator set before commencing any work on the unit, open generator set breaker, activate Emergency Stop, disconnect the battery cables and either disconnect or open the control circuit breaker for the AC power supply to the battery charger. Ensure all health and safety requirements are adhered to at all times. Also, ensure proper Lock Out-Tag Out procedures are followed at all times while work is being performed on the machine. Lock out generator operation and disconnect/lockout all power sources before commencing any work.
2. Remove generator. Refer to KENR5284 for SR5 disassembly and assembly
instructions.
3. Send generator to the Leroy Somer Service Center in Riyadh, Saudi Arabia for inspection, exciter rotor replacement or rotor assembly replacement if applicable. See below for contact information.
Latif Madampara
ARABIAN QUDRA CO.
EXIT 13, RABWA,
KHURAIS ROAD,
RIYADH, KSA.
TEL. 00966 1 4934557 X 227
FAX 00966 1 4934556
MOB. 00966 503105742
4. Reinstall generator and verify proper operation. Refer to KENR5284 for SR5 disassembly and assembly instructions.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-20000 hrs,
0-60 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 36.0-hour job
If applicable, reasonable travel time and mileage will be allowed. Include details in the claim story.
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.