OPM 300 en-GB 81
© Scania CV AB 2020, Sweden
Fuel system
2.
Hold the suction tool straight and draw out at
least a full container of fuel.
3. Once the fuel coming out of the hose is free
of air bubbles, then bleeding is complete.
4. Close the bleed nipple on the high pressure
pump. Remove the hose and suction tool.
5. Start the engine and check that there are no
leaks.
Bleeding the fuel system using a
hand pump
1. Attach a clear plastic hose to the bleed nipple
on the fuel filter housing. Let the plastic hose
drop into a container that holds at least
5 litres (1.3 US gallons).
2. Unscrew the hand pump handle on the water
separating prefilter.
3. Open the bleed nipple on the fuel filter hous-
ing and pump until fuel runs out, which will
take around 150 pump strokes. Close the
bleed nipple on the fuel pump and screw
down the hand pump handle.
The main filter has built in bleeding in the
form of a 0.2 mm restriction valve in which
the fuel continuously flows on to the return
pipe and takes with it any air in the circuit.
4. Start the engine and check that there are no
leaks.
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