TM-9-2320-328-13-P-1

HEMTT-BASED WATER TENDER (HEWATT)

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST); PART 1 OF 3

MARCH 2009

TM-9-2320-328-13-P-1 - Page 524 of 1318

TM 9-2320-328-13&P-1

0063-48

DRAFT

0063

HWT2093

WARNING

ICON 3

Remove rings, wristwatches, neck chains, and any other jewelry before working

around vehicle.

Jewelry can catch on equipment and cause serious injury.

Jewelry

and tools may short across electrical circuits and cause damage to equipment, or

severe burns or electrical shock to personnel.

Step 75.

Check for 22 to 28 VDC between bumper turret motor power wire (red) at bumper turret

junction box 9-pin terminal strip, terminal 2 and a known good ground.

If 22 to 28 VDC are not present, go to Step 77.

Step 76.

While an assistant operates bumper turret control joystick to right (passenger side)

position (WP 0004), check if voltage drops to 6 VDC between bumper turret motor

power wire (red) at bumper turret junction box 9-pin terminal strip, terminal 2 and a

known good ground.

a.

If voltage drops to 6 VDC, replace bumper turret motor (WP 0379).

b.

If voltage does not drop to 6 VDC, replace bumper turret

control (WP 0375).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION