Maintenance Section
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Priming the Fuel System (Diesel
Engine Only)
Bleeding the Fuel System
After changing the fuel filter cartridge assembly, or
after having serviced any part of the fuel system,
make sure that the air is bled from the system.
DB33A Diesel Engine
B3.3 Diesel Engine
1.
Remove a clamp (1) on overflow pipes to
injection nozzles.
DB33A Diesel Engine
B3.3 Diesel Engine
2.
Push the priming pump on top of the fuel filter
housing against the spring to allow air mixed
with fuel to escape through the bleeding screw.
Ensure that excess fuel is collected in a
container or rag to prevent fuel from getting
onto engine parts.
3.
Repeat the pumping action until no bubbles are
visible in the flowing fuel.
4.
Assemble the clamp.
5.
Start the engine and check fuel system for
leaks.
