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 584 of 1318

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

0067-4

DRAFT

0067

HWT0657

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 5.

Connect air lines at hose reel discharge valve.

Remove pump house panel K

(WP 0339).

Disconnect pump house wire harness hose reel discharge control valve

connector.

Put pump operator’s panel REEL DISCHARGE switch to OPEN position

(WP 0004).

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

harness wire 4098 (green) at pump house wire harness hose reel discharge control

valve connector, terminal 1 and a known good ground.

If 22 to 28 VDC are not present, go to Step 7.

Step 6.

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

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

With a test lead set, check for

continuity across wire 2200 (black) from pump house wire harness hose reel discharge

control valve connector, terminal 2 to a known good ground.

a.

If there is continuity, replace hose reel discharge control

valve (WP 0271).

b.

If there is no continuity, repair wire 2200 in pump house wire harness if

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

harness (WP 0302).

Step 7.

Check if pump operator’s panel REEL DISCHARGE indicator is illuminated (WP 0004).

If indicator is not illuminated, go to Step 10.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION