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 260 of 1188

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

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DRAFT

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

Put PUMP COOLER switch (31)

in open position.

Indicator light (32) will illuminate.

36. Let pressure drop to zero.

Put PUMP COOLER switch (31) in closed position.

Check that indicator light (32)

goes out.

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Driver side pre-connect A and B hoses must be disconnected prior to performing

blow-out procedure.

Hoses may become pressurized causing injury to personnel

and/or damage to equipment.

37. Let pressure build up to 50 psi (345 kPa) on PUMP DISCHARGE gauge (13).

Put DRIVER SIDE

PRE-CONNECT A (33) valve control in OPEN position.

Indicator light (34) will illuminate.

38. Let pressure drop to zero.

Put DRIVER SIDE PRE-CONNECT A (33) in CLOSED position.

Indicator

light (35) will illuminate.

39. Repeat Steps (37) and (38).

40. Repeat Steps (37) through (39) for DRIVER SIDE PRE-CONNECT B.

TFFT02168P

TFFT00715P

WARNING

ICON 66