Yanmar 3JH4E Service Manual page 89

(3) Removing (electrical) wiring
Remove the wiring from the engine. (Refer to 2.2.4(9) )
(4) Removing the fuel filter & fuel pipe
1) Remove the fuel pipes (fuel filter-fuel feed pump,
fuel filter-fuel injection pump and fuel nozzle-fuel
filter)
2) Remove the fuel filter.
(5) Removing the intake silencer
1) Remove the breather hose attached to the intake
silencer- rocker arm cover.
2) Remove the intake silencer from intake manifold.
4. Disassembly and Reassembly
Fuel nozzle
Fuel feed pump
Intake silencer
Clamp
Breather hose
Clamp
Intake hose
(Removing intake silencer)
73
Air bleeding bolt
To fuel tank
Fuel filter
Fuel injection
pump
Clamp Rocker arm cover
Clamp
Intake manifold