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 193 of 1188

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

0031-3

DRAFT

0031

DRAINING/FLUSHING FOAM AGENT TANK

NOTE

•

Foam drained from foam tanks will need to be drained into properly marked and sealed

containers.

•

Both foam tanks are drained and flushed the same way.

Foam tank B shown.

1.

Gather suitable containers.

2.

Attach drain hose (1) to FOAM TANK DRAIN valve (2).

3.

Open expansion dome hatch (3).

4.

Put FOAM TANK DRAIN valve handle (4) in open position and completely drain foam into containers.

5.

Put FOAM TANK DRAIN valve handle (4) in closed position.

6.

Properly label sealed containers when foam in completely drained from foam tank (5).

7.

Remove fill tower screen (6) from foam tank (5).

NOTE

Defoaming agent and water must be added to foam tank being flushed.

8.

Add defoaming agent to foam tank (5).

9.

Fill foam tank (5) with warm water.

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