3-63. FUEL PUMP TESTING AND CALIBRATION (Contd)
d. Fuel Pump Run-in (Big Cam I and Big Cam III) (Contd)
Open by turning clockwise.
This step is needed to cancel out
manual override knob (45)
the normal electrical shutdown
through the solenoid and allow
fuel flow for testing purposes.
Bypass valve (35), suction
control valve (77), and flow
control valve (37)
All other valves on test
Backseat to prevent leakage.
Speed-shifting crank (20)
Set to HIGH range.
After crank has been set to HIGH
range, turn it back (counterclock-
wise) about one turn so that the
handle load is neutralized.
Throttle lever (48)
Make sure it is in the wide-open
position and secured with a spring.
Selector valve (36)
Turn to ROTAMETER position.