INSERT-VALVE SEAT 2128917 - Caterpillar

Electric Power Generation: C4.4 GEN SET (S/N: LC41-UP; LC51-UP) C6.6 GEN SET (S/N: SDA1-UP; MRW1-UP; LC61-UP) C7.1 GEN SET (S/N: ETG1-UP) SR4 (S/N: L5A1-UP) SR4B (S/N: L6B1-UP)Engine: C9 (S/N: X3R1-UP)Generator Set: 3406 GEN SET (S/N: NKM1-UP; 4ZR1-UP) 3406C GEN SET (S/N: ZKC1-UP; C2G1-UP; C5G1-UP; C8G1-UP) 3456 GEN SET (S/N: C1G1-UP; C3G1-UP; C4G1-UP; C2T1-UP) C15 GEN SET (S/N: C5E1-UP; C5H1-UP; C5L1-UP; NAP1-UP; X4R1-UP) C18 GEN SET (S/N: C6C1-UP; G4C1-UP; STD1-UP; NKM1-UP; STM1-UP; EKW1-UP; NAW1-UP) C9 GEN SET (S/N: C9E1-UP; NGP1-UP)Industrial Engine: C15 IND (S/N: JRE1-UP)Introduction
This Special Instruction guides the user in the replacement and setup of the voltage regulator for the machines that are listed above.Important Safety Information
Do not perform any procedure in this Special Instruction until you have read this Special Instruction and you understand this information. Use only proper tools and observe all precautions that pertain to the use of those tools. Failure to follow these procedures can result in personal injury. The following procedures should also be observed.Work safely. Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs.A person must be alert to potential hazards. This person should also have the necessary training, skills, and tools in order to perform these functions properly.Safety precautions and warnings are provided in this instruction and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons. Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard. Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive. Ensure that any tool, procedure, work method, or operating technique you use that is not recommended by Caterpillar is safe. Ensure that the product will not be damaged or the product will not be made unsafe by the operation, lubrication, maintenance, or repair procedures used.Part Number Identification And Replacement
Replacement
Table 1
Former Regulator    New Regulator    
242-3958 Voltage Regulator Gp     289-4769 Voltage Regulator As    The 289-4769 Voltage Regulator As replaces the former 242-3958 Voltage Regulator Gp .Identification
Illustration 1 g01451579
The former 242-3958 Voltage Regulator Gp has bare link wires (1) that protrude from the black potting resin. Refer to Illustration 1.
Illustration 2 g01451577
The new 289-4769 Voltage Regulator As has links (2) that are covered with white PVC that protrudes from the potting resin. Refer to Illustration 2.Set Up of the Voltage Regulator
Illustration 3 g01541536
Refer to the ""Reference"" Section for a list of manuals that contain the following information:
Set up procedures for the voltage regulator
Jumper information for the voltage regulator
Adjusting potentiometer identification
Set up information
Additional informationRefer to Table 2 for the differences between the setups of 242-3958 Voltage Regulator Gp and 289-4769 Voltage Regulator As .None of the incorrectly setup jumpers should cause the voltage regulator failure. However, poor generator performance may appear as a voltage regulator failure. Table 2 identifies the incorrect settings