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 739 of 1188

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

0104-31

DRAFT

0104

TFFT02866

Step 44.

Check bumper turret elevation cylinder for blockage and debris.

If bumper turret elevation cylinder is not free from blockage and debris,

remove blockage and debris and go to Step 45.

Step 45.

While an assistant operates bumper turret control joystick in forward and rear

positions (WP 0004), check if bumper turret raises and lowers.

If bumper turret does not raise and lower, go to Step 47.

Step 46.

While an assistant operates bumper turret control joystick in forward and rear

positions (WP 0004), check if bumper turret raises and lowers at a rate suitable for

system operations.

a.

If bumper turret raises and lowers at a rate suitable for system

operations, fault corrected.

b.

If bumper turret does not raise and lower at a suitable rate for system

operations, go to Step 61.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION