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 1014 of 1188

TM 5-4210-249-13&P

0117-8

DRAFT

0117

TFFT04005

NOTE

•

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

•

Valves are open when tabs or yellow paint tabs are aligned with direction of fluid flow.

Step 14.

Remove shield (WP 0493).

Check if both tank-to-pump valves are closed.

If one or both tank-to-pump valves are open, troubleshoot Tank-To-Pump

Valve(s) Does Not Operate Properly (WP 0119).

WARNING

ICON72

•

Be careful when using high air pressure.

High air pressure can blow out parts or

debris with force.

•

Air pressure should not exceed 50 PSI (345 kPa) during procedure.

Failure to

comply may result in damage to equipment.

Failure to comply may result in injury

to personnel.

Step 15.

Remove passenger side tank-to-pump check valve boot (WP 0296).

While an assistant

puts 50 PSI (345 kPa) air pressure to system (WP 0044).

Check if air pressure can be

heard escaping past passenger side tank-to-pump valve.

If air pressure can be heard escaping past passenger side tank-to-pump

valve, replace passenger side tank-to-pump valve (WP 0494).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION