A Series Diesel Engine Fuel System 82
Fuel System Replacement Procedure
A certain amount of air will be entrapped in the system during replacement of any of the system components.
After replacement of a component, bleed the system according to the following procedure.
Fuel System – Bleeding
Controlled venting is provided at the injection pump
through the fuel drain manifold.
Small amounts of air introduced by changing the
filters or injection pump supply line will be vented
automatically, if the fuel filter is changed in
accordance with the instructions.
However, manual bleeding will be required if:
The fuel filter is not filled prior to installation.
Injection pump is replaced.
High pressure fuel line connections are loosened or
lines replaced.
Initial engine start up or start up after an extended
period of no engine operation.
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