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 949 of 1318

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

0085-9

DRAFT

0085

HWT01383

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 11.

Put WINDSHIELD DELUGE switch to off position (WP 0004).

Pull battery disconnect

switch to off position (WP 0007).

Disconnect pump house wire harness windshield

deluge pump connector.

Push battery disconnect switch to on position (WP 0007).

Put

WINDSHIELD DELUGE switch to on position (WP 0004).

With a test lead set, check

for 22 to 28 VDC between pump house wire harness wire 1065 (pink) at windshield

deluge pump connector, terminal 1 and a known good ground.

If 22 to 28 VDC are not present, go to Step 13.

Step 12.

Put WINDSHIELD DELUGE switch to off position (WP 0004).

Pull battery disconnect

switch to off position (WP 0007).

With a test lead set, check for continuity across pump

house wire harness wire 1640 (black) from windshield deluge pump connector, terminal

2 to a known good ground.

a.

If there is no continuity, repair wire 1640 in pump house wire harness if

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

harness (WP 0302).

b.

If there is no continuity, replace windshield deluge pump (WP 0277).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION