TM-5-4210-249-13-P-1

TACTICAL FIRE FIGHTING TRUCK (TFF) MODEL M1142

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT REPAIR PARTS AND SPECIAL TOOLS); PART 1 OF 4

TM-5-4210-249-13-P-1 - Page 164 of 1188

TM 5-4210-249-13&P-1

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DRAFT

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CAUTION

If discharge gauge 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.

5.

Observe readings on PUMP DISCHARGE (3) gauge.

When water pump is primed, discharge pressure starts

to increase.

The operator may also hear water discharging on ground, indicating water pump is primed.

NOTE

System is properly primed when pressure on pump discharge gauge remains steady.

6.

Put PUMP COOLER switch (4) to ON position, let run 10 seconds.

Indicator light (5) will illuminate.

7.

Put PUMP COOLER switch (4) to OFF position.

Indicator light (5) will go out.

TFFT01225P