FUSO 4M4 – FUEL AND ENGINE CONTROL – INJECTOR

• Before removing the injectors, check injector mounting holes for trapped water and oil.
• If any abnormality of the injector is found, replace it.

Assembly sequence
Follow the disassembly sequence in reverse.

Installation procedure

•Installation: Injection pipe
– Ensure that the pipe and mounting surfaces of the connector are flat and free from damage.
– Bring the pipe into intimate contact with mounting surfaces of the connector evenly, and temporarily tighten it without applying an excessive force.
– Tighten it to the specified torque after temporary tightening.

Installation: Fuel return hose
• Install the fuel return hose to the fuel return hose C to the illustrated dimension.

 

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