High-Pressure Fuel Pump Adapter and Front Gear Inspection for Certain C175–16 and C175

High-Pressure Fuel Pump Adapter and Front Gear Inspection for Certain C175–16 and C175–20 Engines {1242, 125H}

Usage:

Electric Power Generation: C175-16 GEN SET (S/N: WYB1-UP)
Engine: C175-16 (S/N: 3A91-UP; 3B91-UP; M6A1-UP; A7B1-UP; M6B1-UP; R3B1-UP; P6L1-UP; P5P1-UP; KWT1-UP; R1X1-UP); C175-20 (S/N: A7E1-UP; R4F1-UP; BXR1-UP)
Locmotive: SD 50 (S/N: HJM1-UP)
Mining Truck: 794 AC (S/N: HRT1-UP)
Off-Highway Truck/Tractor: 793F (S/N: SND1-UP; SSP1-UP; SXP1-UP; D3T1-UP; RBT1-UP); 793F AC (S/N: EMD1-UP); 794 AC (S/N: MN51-UP; MT51-UP); 795F AC (S/N: ERM1-UP); 795FAC XQ (S/N: SNT1-UP); 796 (S/N: HRZ1-UP); 797F (S/N: LAJ1-UP; WSP1-UP; LTZ1-UP); 798 (S/N: ST71-UP)

Introduction

Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.

Safety Section

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Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.

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Failure to follow all safety guidelines prescribed in this document and by governing authorities and regulatory agencies may result in severe injury or death of personnel or machine damage.

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Personal injury or death can result from improper maintenance procedures. To avoid injury or death, follow the procedures exactly as stated below.

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Personal injury can result from improper handling of chemicals.
Make sure you use all the necessary protective equipment required to do the job.
Make sure that you read and understand all directions and hazards described on the labels and material safety data sheet of any chemical that is used.

Observe all safety precautions recommended by the chemical manufacturer for handling, storage, and disposal of chemicals.

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Before servicing/performing maintenance on the machine, electrical power must be physically disconnected; battery plugs must be disconnected from the batteries, or the trailing cable must be unplugged, and warning tags and padlocks shall be applied by a certified electrician. Certified electricians shall perform or direct any electrical work, including any energized testing, repair work in controllers, motors, or other approved compartments, and shall insure that all compartments are properly closed and inspected prior to re-energization. All applicable lock out and tag out procedures must be followed.

Reference Section

Reference: Disassembly and Assembly, RENR7466, Fuel Pump (High Pressure) - Remove and Install

Inspection Procedure

Remove the magnetic drain plugs on the bottom of the high-pressure pump and high-pressure fuel pump adapter.
Review the end of the plug for metal debris. Insert a small screwdriver or allen wrench into the magnetic drain plug hole to check for debris stuck at the top of the hole.
If debris is present and damage has occurred to screen in pump adapter, remove the high-pressure fuel pump adapter to ensure that debris has not entered the front gear group causing damage.