BLOCK 6H3478 - Caterpillar

Electric Power Generation: 3412 GENSET (S/N: 4BZ1-UP)Engine: 3412C (S/N: DJN1-UP; 9EP1-UP; RLR1-UP; TFT1-UP; BCW1-UP; LRY1-UP; RTY1-UP) 3412E (S/N: TGC1-UP) 3508B (S/N: CNB1-UP; DPN1-UP; 6PN1-UP; 5KW1-UP) 3512B (S/N: CMC1-UP; FDE1-UP; BLF1-UP; BRK1-UP; PTM1-UP; 8RM1-UP; 6GW1-UP) 3516B (S/N: FDN1-UP; 7RN1-UP; GAR1-UP; ZAR1-UP; GZS1-UP; 8NW1-UP; FDX1-UP)Generator Set: 3406C GEN SET (S/N: C2G1-UP; C5G1-UP; C8G1-UP; KPS1-UP) 3406C MARINE GS (S/N: PFH1-UP) 3406E GEN SET (S/N: 8AZ1-UP) 3456 GEN SET (S/N: CCB1-UP; C1G1-UP; C3G1-UP; C4G1-UP; GHJ1-UP; C2T1-UP; CBX1-UP) C15 GEN SET (S/N: C5E1-UP; C5H1-UP; C5L1-UP) C18 GEN SET (S/N: C6C1-UP; G4C1-UP; PEJ1-UP; STM1-UP; EKW1-UP) C18 MARINE GS (S/N: MGS1-UP) C27 GEN SET (S/N: DWB1-UP) C32 GEN SET (S/N: SXC1-UP)Petroleum Engine: C15 PET GS ENG (S/N: PET1-UP)Introduction
The special instruction explains the installation procedure for an external relay in order to bypass the EGR relay inside EMCP2.Important Safety Information
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 must 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 of a potential hazard.Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive. Avoid using a tool, a procedure, a work method, or operating technique that is not recommended by Caterpillar. If used, ensure the safety of the operating personnel and others.Ensure that the product will not be damaged or the product will be made unsafe by the operation, lubrication, maintenance, or the repair procedures.
Accidental engine starting can cause injury or death to personnel working on the equipment.To avoid accidental engine starting, disconnect the battery cable from the negative (−) battery terminal. Completely tape all metal surfaces of the disconnected battery cable end in order to prevent contact with other metal surfaces which could activate the engine electrical system.Turn the battery disconnect switch to the OFF position and lockout the battery disconnect switch with a safety lock.Place a Special Instruction, SEHS7332, "Do Not Operate" tag at the start switch and battery disconnect location to inform personnel that the machine is being worked on.
Only persons with training in electrical installations must carry connections to the generator.The generator must be wired correctly. A fire or electrocution could result from wiring that is incorrect.The generator is capable of generating high voltages. Ensure that the generator is not on while the connections are being made. Follow these steps in order to prevent accidental starting:
Isolate the machine from all external loads and sources.
Shut off the Engine.
Disconnect the battery supply lines and tape the leads.
Do not operate or work on this engine unless you have read and understand the instructions and warnings in the Operation and