PRIMING WATER PUMP.

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TM-9-2320-279-10-3 M977 Series 8x8 Heavy Expanded Mobility Tactical Trucks (HEMTT) Manual

PRIMING WATER PUMP. (Cont)

TM 9-2320-279-10-3

Operation Under Usual Conditions (Cont)

2-114. PRIMING WATER PUMP.

eps01226p

RADIO1

AUTO

RADIO

TALK

LISTEN

RADIO2

BOTH

INTERCOM

SQUELCH

VOLUME

a. Make sure water pump engine is running (para 2-113).

b. Push PUMP PRIMER switch (1) to prime pump.

NOTE

Perform step c. if primer solenoid fails.

Water pump can only be manually primed from the

pump operators panel.

c. Pull MANUAL PRIMER handle (2) and push PUMP PRIMER

switch (1).

CAUTION

Operating water pump engine at speeds of more than

1,200 RPM during priming is not recommended and will not

improve priming operation. Failure to comply may result in

damage to equipment.

d. Using pressure governor, maintain water pump engine speed of 1,000 to