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 258 of 1188

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

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23. Let pressure build up to 50 psi (345 kPa) on pump PRESSURE gauge (18).

Put GROUND SWEEPS

switch (22) in on position.

Indicator light (23) will illuminate.

24. Let pressure drop to zero.

Put GROUND SWEEPS switch (22) in off position.

Check that indicator light (23)

goes out.

25. Repeat Steps (23) and (24).

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26. Let pressure build up to 50 psi (345 kPa) on pump PRESSURE gauge (18).

Put TANK TO PUMP switch (24)

in open position.

Indicator light (25) will illuminate.

27. Let pressure drop to zero.

Put TANK TO PUMP switch (24) in closed position.

Check that indicator light (25)

goes out.

28. Repeat Steps (26) and (27).

TFFT00712P

TFFT02000P