C9.3 Marine Engine Caterpillar


Relief Valve (Fuel) - Remove and Install - Double Wall Rail

Usage:

C9.3 C93

Removal Procedure

Table 1
Required Tooling 
Tool  Part Number  Part Description  Qty 
276-7018  Plug/Cap Kit 


NOTICE

Contact with high pressure fuel may cause personal injury or death. Wait 60 seconds after the engine has stopped to allow fuel pressure to purge before any service or repair is performed on the engine fuel lines.



NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Dispose of all fluids according to local regulations and mandates.


------ WARNING! ------

Contact with high pressure fuel may cause fluid penetration and burn hazards. High pressure fuel spray may cause a fire hazard. Failure to follow these inspection, maintenance and service instructions may cause personal injury or death.


  1. Turn the fuel supply to the OFF position.

  2. Disconnect the battery. Refer to Operation and Maintenance Manual, "Battery or Battery Cable - Disconnect".


    Illustration 1g03827807

  3. Remove adapter assembly (1).


    Illustration 2g03827813

  4. Remove relief valve (2).

Installation Procedure

  1. Install relief valve (2) in the reverse order of removal.

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