TM10-3950-672-24-2
The Lucas CAV DPA pump uses a coded spring
connection to change the governor setting. Incorrect
connection of the governor spring can affect
performance.
Adjustments and rating changes are described in this
section.
Fuel Control Lever Travel and Adjustment
The amount of fuel injected and subsequently the speed
and power from the engine is controlled by the fuel
control lever. Restricted travel of the lever can cause
low power. Always check for full travel of the lever
when diagnosing a low power complaint.
Lucas CA V DPA Pump Adjustment Screws The idle
adjustment screw provides a stop for the lever at low
speed. The adjustment screw can be used to increase
idle speed for accessory loading or, if required, to lower
the idle speed.
A - Idle screw
B - High Idle Screw
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