New CAV DPA and DPS fuel injection pumps which will automatically eliminate air from the pump have been introduced on some engines. These pumps have a vent pipe (A1) fitted between the top of the pump and the atomiser leak-off pipe. Vent screws are not fitted to these pumps and connections or plugs need not be released to eliminate air from the pump.
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To eliminate air from the fuel system
If the system or a component in the system has been drained:
1 Turn the start key to the
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