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 1102 of 1188

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

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TFFT03881

NOTE

•

WATER LEVEL gauge indicators operate as follows:

“E” indicator will flash when water

level in tank is below 1/4 full.

“E” and “1/4” indicators will illuminate when water tank is 1/4

full.

“E”, “1/4” and “1/2” indicators will illuminate when water tank is 1/2 full.

“E”, “1/4”,

“1/2”, and “3/4” indicators will illuminate when water tank is 3/4 full.

All indicators will

illuminate when water tank is full.

•

WATER LEVEL gauge “E” indicator will illuminate or flash whenever power is applied to

gauge.

Step 1.

Turn battery disconnect switch to ON position (WP 0007).

Open pump operator’s panel

cover (WP 0019).

With water tank filled (WP 0020), check if cab and pump operator’s

panel WATER LEVEL gauge indicators illuminate or flash (WP 0004).

If cab and pump operator’s panel WATER LEVEL gauge indicators do not

illuminate or flash, go to Step 11.

Step 2.

Check if only pump operator’s panel WATER LEVEL gauge indicators illuminate or

flash (WP 0004).

If cab WATER LEVEL gauge indicators do not illuminate or flash, go to

Step 9.

Step 3.

With water tank filled (WP 0020), check if cab and pump operator’s panel WATER

LEVEL gauge readings are equal (WP 0004).

If cab and pump operator’s panel WATER LEVEL gauge readings are not

equal, go to Step 9.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION