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 179 of 1188

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

0027-1

DRAFT

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OPERATOR MAINTENANCE

PUMPING FROM HYDRANT OR IN RELAY (POSITIVE WATER SOURCES)

NOTE

•

Make sure valves, drains, and caps are closed.

•

Foam system will not operate when pump intake pressure is more than 5 psi (34 kPa).

•

Main Inlet may be operated with either 5 in. (13cm) or 3 in. (7.6 cm) suction hose.

•

5 in. (13 cm) and 3 in. (7.6 cm) suction hoses operate the same way.

5 in. (13 cm) suction

hose shown.

1.

Position vehicle for convenient hydrant hookup and discharge hose layout.

Bring vehicle to complete stop.

2.

Park vehicle (TM 9-2320-347-10).

NOTE

Pumping may be performed from either main inlet or PASSENGER SIDE AUX. INLET.

3.

Remove cap from either main inlet (1) or PASSENGER SIDE AUX. INLET (2).

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Do not use hard suction hose for Step (4).

Hard suction hose will not hold pressure.

Hose may fail and separate causing injury to personnel and/or damage to

equipment.

4.

Connect either 5 in. (13 cm) soft suction hose to main inlet (1) or 3 in. (8 cm) discharge hose to PASSENGER

SIDE AUX. INLET (2).

TFFT00321P/00322P

WARNING

ICON 72