146821-1521 ZEXEL 9 461 620 601 BOSCH GOVERNOR COVER 9461620601 1468211521

21Apr2010
U-136
A-108
D-119
O-126
TT-9
TM-8
TA-5
Parts stock action only
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 248-1079, 250-1305, 250-1368, 266-4387, AND 280-0681 FUEL INJECTORS (FOR 3508C, 3512C, AND 3516C ENGINES) FROM DEALER PARTS STOCK
7750 PI70341
When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7751" as the Group Number, "56" as the 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
31Jul2010
PROBLEM
Certain 248-1079, 250-1305, 250-1368, 266-4387, and 280-0681 Fuel Injectors installed in certain 3512C and 3516C engine applications may experience internal body cracks. This condition may result in fuel to oil dilution.
ACTION REQUIRED
Refer to Image1 for Injector Part Numbers and Serial Number Range of affected parts. Refer to Image2 for example of part number (A) and injector serial number identification (B).
Inspect all injector part numbers listed in Image1 to identify if they are within the Serial Number range 1134640 - 1234085.
- If the injector part number listed in Image1 has a serial number that is included in the serial number range 1134640 - 1234085, remove the injector from dealer parts stock.
- If the injector part number listed in Image1 has a serial number that is NOT included in the serial number range 1134640 - 1234085, return the injector to the original packaging, mark the package to indicate the injector has been inspected according to this program (PI7#### / REBE6038), and return the injector to dealer parts stock.
Image1
Image2
SERVICE CLAIM ALLOWANCES
Submit one claim for all parts removed from dealer parts stock.
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
A Send-It-Back Parts Return Request will be generated when the claim is submitted with this program (PI7####) as the part causing failure.