5 -26
5-10. General maintenance (When required)
(1) Air-bleeding from Fuel system
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The air in the fuel may cause weak injection or the failure of engine start or stop.
To prevent such failure, bleed the air from fuel system.
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When changing the fuel filter only, it is not necessary to bleed air from the fuel
injection pipes.
Notice
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HIGH PRESSURE FUEL. When the engine is running, do not loosen the fuel
injection pipes to bleed air from the fuel system.
Danger
Fuel tank
Fuel injection
nozzle
Fuel injection
pump
Fuel filter
Fuel injection pipes
① Air-bleeding from Fuel Filter
1. Disconnect the fuel hose ① from the fuel filter for
a while.
2. If the bubble dose not come out from the filter,
the Air-bleeding is completed,
3. Connect the hose to the filter again.
Fuel tank
(Return)
Fuel filter
Hose ①
Fuel tank
Injection pump
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