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TM 10-4320-307-10
2-5
OPERATING PROCEDURE (CONT).
(11)
After engine starts, observe ENGINE RPM gauge (3) to
verify engine is idling at its set point (approximately 800
rpm).
(12) Observe SUCTION pressure gauge remains at least 20 psig. If suction pressure is less than 20
psig, refer to troubleshooting procedures in Table 3<#106>1.
CAUTION
Maintain engine idle speed until (800-1000 rpm)
engine warmup cycle is complete. Failure to do
so could damage equipment.
(13) Allow engine to run at idle speed for an engine
warmup cycle (engine coolant temperature must be
a minimum of 140 F). When engine is ready for full
RPM, adjust pump for full operation (paragraph
2-5i).
i.
Operating Mode.
CAUTION
Ensure step h procedures are strictly complied with before beginning these procedures. Failure
to do so could damage equipment.
(1)
Engage clutch.
(2)
Slowly open pump discharge valve.
(3)
Set MODE CONTROL switch to AUTO.
(4)
Control discharge pressure by turning ENGINE/PUMP CONTROLLER knob clockwise as required to
maintain required discharge pressure.
2-64
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