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 951 of 1318

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

0085-11

DRAFT

0085

HWT1389

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 14.

Connect pump house wire harness windshield deluge pump connector.

Push battery

disconnect switch to on position (WP 0007).

Check for 22 to 28 VDC between pump

house power distribution wire harness wire 1754 (red) at relay P5 connector, terminal 3

and a known good ground.

If 22 to 28 VDC are not present, go to Step 24.

Step 15.

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

Check for continuity across

pump house power distribution wire harness wire 1640 (black) from relay P5 connector,

terminal 2 to a known good ground.

If there is not continuity, repair wire 1640 in pump house power distribution if

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

distribution wire harness and block (WP 0299).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION