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 813 of 1318

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

0073-27

DRAFT

0073

HWT0991A

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 36.

Pull battery disconnect switch to off position (WP 0007).

Disconnect main wire harness

pump house wire harness connector.

Push battery disconnect switch to on

position (WP 0007).

With a test lead set, check for 22 to 28 VDC between main wire

harness wire 1590 (red) at main wire harness pump house wire harness connector,

terminal 30 and a known good ground.

a.

If 22 to 28 VDC are present, repair wire 1590 in pump house wire

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

wire harness (WP 0302).

b.

If 22 to 28 VDC are not present, repair wire 1590 in main wire harness

if repairable (TM 9-2320-325-14&P), or replace main wire

harness (WP 0292).

Step 37.

Remove hard suction hose from driver main inlet (WP 0018).

Inspect driver main inlet

strainer screen and float for obstructions and blockage.

If screen and float are not free from blockage, remove blockage from driver

main inlet strainer screen and float.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION