LS tractor J2030H - General Maintenance (When Required); Air-Bleeding from Fuel System

5-9. General maintenance (When required)
(1) Air-bleeding from Fuel system
 The air in the fuel system may cause weak injection and the failure of engine start or stop. To prevent
such failures, bleed the air from the fuel system.
Fuel tank
Fuel injection
nozzle
Fuel injection pipe
▶ When replacing fuel filter only, air-bleeding from fuel injection pipe is not
necessary.
Notice
①
①①
① Air-bleeding from Fuel Filter
1. Disconnect the fuel hose ① from the fuel filter for
a while.
Fuel injection
pump
Fuel filter
Fuel tank
(Return)
Hose ①
5
5 5
5 - 21
2. If the bubble dose not come out from the filter,
the Air-bleeding is completed,
connect the hose to the filter again.
Fuel filter
Fuel tank
Injection pump