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 996 of 1188

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

0116-2

DRAFT

0116

TFFT03767

NOTE

•

Ensure system air pressure is at least 85 psi (586 kPa) during this procedure.

System air

pressure is required to activate valves.

•

Do not engage water pump engine during this procedure, except when performing

complete system checks.

Valve operations can be checked without water pump

operation.

•

Valve operations can be checked by observing valve shaft rotation. Valves are open when

tabs or yellow paint tabs are aligned with fluid flow.

Step 1.

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

If system air pressure is

below 85 psi (586 kPa), start vehicle engine and allow system air pressure to build to at

least 85 psi (586 kPa) (TM 9-2320-347-10).

Shut off vehicle

engine (TM 9-2320-347-10).

Push and release agent discharge button on roof turret

control handle (WP 0004), check if roof turret valve operates to open position.

If roof turret valve does not operate, go to Step 3.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION