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 660 of 1318

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

0071-22

DRAFT

0071

HWT1347A

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 32.

Put pump operator’s panel REEL DISCHARGE switch to OFF position (WP 0004).

Disconnect main wire harness pump operator’s panel 27-pin wire harness connector.

With a test lead set, check for 22 to 28 VDC between main wire harness wire 2834 (red)

at main wire harness pump operator’s panel 27-pin wire harness connector, terminal 7

and a known good ground.

If 22 to 28 VDC are present, repair wire 2834 in pump operator’s panel wire

harness if repairable (TM 9-2320-325-14&P), or replace pump operator’s

panel wire harness (WP 0303).

Step 33.

Remove skid plate grille (WP 0349).

Pull battery disconnect switch to off position

(WP 0007).

Disconnect main wire harness main 1 connector.

With a test lead set,

check for continuity across main wire harness wire 2834 (red) from main 1 connector,

terminal 4 to main wire harness pump operator’s panel 27-pin wire harness connector,

terminal 7.

a.

If there is continuity, repair wire 2834 in cab power distribution wire

harness if repairable (TM 9-2320-325-14&P), or replace cab power

distribution wire harness and block (WP 0280).

b.

If there is no continuity, repair wire 2834 if repairable

(TM 9-2320-325-14&P), or replace main wire harness (WP 0292).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION