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If performance of engine is affected
due to presence of air in fuel system
(commonly known as air lock), it can
be rectified by bleeding fuel system.
Fuel system bleeding
1.
Ensure no leakage in fuel line.
2.
Bleeding air in fuel line upto filter
- Loosen outlet banjo of fuel
filter.
- Prime the circuit by using
hand primer.
- Tighten banjo after
completely bleeding air.
3.
Bleeding air after FIP
- Loosen overflow banjo on FIP.
This ensures FIP is filled with
fuel.
- Prime the circuit by using
hand primer.
- Tighten overflow banjo after
completely bleeding air.
4.
Crank engine for few seconds. If
engine still does not start
proceed to next step.
5.
Remove cylinder head cover &
loosen high pressure line cap
nuts of all cylinders.
6.
Crank engine till fuel coming out
of high pressure lines is free
from air. Tighten high pressure
line cap nuts.
7.
Start the engine.
4.2 Fuel system
Maintenance