Quantcast PRIMING WATER PUMP. (Cont) - TM-9-2320-279-10-30168

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TM 9-2320-279-10-3
Operation Under Usual Conditions (Cont)
2-114. PRIMING WATER PUMP (CONT).
CAUTION
If discharge gage reading does not increase or priming pump
does not discharge water on the ground in 60 seconds, do not
continue running priming pump. Stop water pump or
damage to equipment may result.
NOTE
If water pump fails to prime, check hose connections, valve
positions, strainers, and other water intake equipment for
leaks that may be allowing air to enter system.
e. Observe readings on PUMP DISCHARGE (3) gage. When water pump is
primed, discharge pressure starts to increase. The operator may also hear
water discharging on ground, indicating water pump is primed.
4
PUMP
PUMP
COOLER
COOLER
ON
5
eps01225p
3
4
5
3
RADIO1
AUTO
RADIO
TALK
LISTEN
RADIO2
BOTH
INTERCOM
SQUELCH
VOLUME
A
B
NOTE
System is properly primed when pressure on pump
discharge gage remains steady.
f. Put PUMP COOLER switch (4) to ON position, let run 10 seconds.
Indicator light (5) will come on.
g. Put PUMP COOLER switch (4) in OFF position. Check that indicator
light (5) goes out.



 


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