GOVERNOR GP-UNIT INJECTOR 1024221 - Caterpillar

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 Program must be administered as soon as possible. When reporting the repair, use "PI3874" as the Part Number, "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code. Exception: If the repair is done after failure, use "PI3874" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
Completion Date
December 31, 1996Termination Date
August 31, 1997Problem
Some G3408, G3412, G3508, G3512 and G3516 Generator Sets were shipped to Europe without parts to meet the 1996 Certification Requirements. The parts are now available and the generator sets should be updated.
Affected Product
Model & Identification Number
Group 1
G3516 (4EK739, 4EK742, 4EK750, 4EK753, 4EK756, 4EK758, 4EK767, 4EK769, 4EK780, 4EK782 , 4EK783)
Group 2
G3512 (7NJ159)
Group 3
G3508 (9TG85, 9TG87)
G3516 (4EK675, 4EK776)
Group 4
G3412 (6ZM67)
Group 5
G3516 (4EK759, 4EK760, 4EK767, 4EK769, 4EK780, 4EK782, 4EK783)
Group 6
G3516 (4EK739, 4EK742, 4EK750, 4EK753, 4EK756, 4EK758)
Group 7
G3408 (6RJ49)
Parts Needed
Group 1
1 - 1315452 Control AssemblyGroup 2
1 - 1315453 Control AssemblyGroup 3
1 - 1315457 Control AssemblyGroup 4
1 - 1303475 Regulator AssemblyGroup 5
1 - 1303476 Regulator AssemblyGroup 6
1 - 7E5035 Filter KitGroup 7
1 - 9Y5038 Filter KitAction Required
If a serial number requires more than one of the rework procedures, the dealer should complete all reworks at the same time. Only one travel time and mileage claim will be considered.
Control Assembly
Replace the existing governor control assembly with the new governor control assembly called out in Groups 1, 2, and 3.
Voltage Regulator Assembly
The voltage regulator on the Genset does not meet 1996 European requirements and needs to be replaced. Replace the existing regulator assembly with the new regulator assembly called out in Groups 4 and 5.
RFI Filter
A 7E5035 RFI Filter needs to be installed on Serial Numbers in Group 6 to meet the 1996 European requirements.
A 9Y5038 RFI Filter needs to be installed on Serial Numbers in Group 7 to meet the 1996 European requirements.
Owner Notification
Attached is an example of an Owner Notification Letter.
Service Claim Allowances
Groups 1, 2, and 3 (ONLY IF THE GOVERNOR CONTROL ASSEMBLY HAS BEEN INSTALLED)
If a Governor Control and Voltage Regulator Assemblies were supplied