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 1023 of 1188

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

0118-7

DRAFT

0118

TFFT03434

NOTE

•

Do not engage water pump engine during this procedure.

Valve operations can be

checked without water pump operation.

•

Valve motor operation can be checked either by noting vibration of valve assembly, or by

observing rotation of

7/16 in. hex at end of valve drive assembly worm gearshaft.

Step 6.

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

While an assistant pushes

pump operator’s panel TANK FILL & RE-CIRCULATING LINE valve control OPEN and

CLOSE buttons (WP 0004), check if TANK FILL & RE-CIRCULATING LINE valve

control yellow THROTTLED indicator illuminates and tank fill & re-circulating line valve

motor operates.

If indicator illuminates and valve motor operates, replace tank fill &

re-circulating line valve drive assembly (WP 0388).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION