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 456 of 1318

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

0061-16

DRAFT

0061

HWT0809

Step 21.

Put pump operator’s panel PUMP COOLER switch to OFF position (WP 0004).

Put cab

PUMP COOLER switch to ON position (WP 0004).

Check if cab PUMP COOLER

indicator illuminates.

If cab PUMP COOLER indicator does not illuminate, go to Step 24.

HWT1020A

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 22.

Put cab PUMP COOLER 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 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).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION