19080-03350 GOVERNOR ASSY, MEC Denso Cross

04Dec2012
(Revised 04Dec2012)
U-651
D-554
After Failure Only
PRODUCT SUPPORT PROGRAM FOR REPLACING THE FUEL INJECTORS ON CERTAIN C27, C32 INDUSTRIAL ENGINES, PETROLEUM ENGINES, GENERATOR SETS AND PMC27 GENERATOR SETS
1251 1290 PS52350
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 "PS52350" 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 04Dec2012 Service Letter. A change was made to the Action Required.
TERMINATION DATE
31Dec2014
PROBLEM
The existing fuel injectors can experience injector failures due to injector body cracking. If the existing injector fails it can result in complaints of high oil levels due to excessive fuel dilution.
AFFECTED PRODUCT
Model Identification Number
C27 A6X00101-00105
EGG00100
NAR00100-00119
T4Z00100, 200-227, 236
C32 NST00100-00108
SDK00101-00198
PMC27 N1B00100-00105, 107-118, 120-126, 128
PARTS NEEDED
Qty
Part Number Description
2 1R1808 FILTER-LUBE
12 8S9191 BOLT
12 3594060 INJECTOR GP-FUEL
1 BULK_OIL DEO (Refer to the OMM for Refill Capacities)
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
If excessive fuel dilution of engine oil is found reference the following to determine the cause of fuel dilution.
Refer to Special Instruction, REHS3007, "Determining the Cause of Fuel Dilution of Engine Oil"
Troubleshooting C27 and C32 Engines:
UENR0505 C27 Petroleum Generator Set Engines
UENR0504 C27 and C32 Industrial Engines
KENR9192 C27 Generator Set Engines
Once an injector(s) has been identified as having a cracked/leaking injector body, replace the failed injector(s). Inspect the remaining good injector serial numbers with Cat ET, (Injector Serial Numbers = Injector trim file name, (ie 6Cxxxxxxxxxx.trm)). If the remaining injector serial numbers fall within the serial number range below, replace at the same time. Refer to Image 1 for the serial number location on the top of the electronic unit injector.
Injector Serial Numbers
6C001793971D through 6C002198297C
8S-9191 Injector Hold Down Bolt must be replaced.
Refer to Disassembly and Assembly, KENR8167 for the removal, installation, and tightening procedures.
After the engine is reassembled, change the engine oil and filters.