LS tractor XG3037H - General Maintenance (When Required); Air-Bleeding from Fuel System

5 -28
Fuel injection nozzle
Fuel injection pipe
Fuel return pipe
Fuel injection pump
Fuel filter
Fuel tank
5-13. 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.
Manual pump
Fuel filter
Burner
Fuel feed pump
Fuel pre-filter
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After replacing fuel pre-filter or fuel filter, bleed
air in the fuel system.
1) Turn key switch ON position.
2) DO NOT open fuel lines to bleed air from the
system.
3) Press down manual pump in the right figure
several times to fill the fuel system with fuel.
The air shall bleed out from fuel system.
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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
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When changing the fuel filter only, it is not necessary to bleed air from the fuel
injection pipes.
Notice