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 742 of 1188

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

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DRAFT

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TFFT02869

WARNING

ICON 3

•

If air lines are under pressure when they are disconnected, they can whip around

and cause injury to personnel.

Caution should be exercised when disconnecting

air line fittings.

•

Air lines may be under pressure when control valve is operated.

If under pressure

and air lines are disconnected, air lines may whip around and cause injury to

personnel.

Caution should be exercised when operating control valve with air lines

disconnected.

NOTE

Air pressure is checked by disconnecting air line at bumper turret elevation cylinder and

observing air pressure escaping from air line, when bumper turret control is activated.

Step 50.

Install bumper turret control cover and tighten four screws.

Disconnect air line at

bumper turret elevation cylinder extend port.

While an assistant operates bumper turret

joystick to rear position (WP 0004), check if air pressure is present at bumper turret

elevation cylinder extend port.

If air pressure is present, connect air line at bumper turret elevation cylinder

extend port and go to Step 61.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION