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 573 of 1318

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

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DRAFT

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HWT0469

Step 3.

Check for continuity across pump house wire harness wire 1640 (black), from hose reel

rewind solenoid ground terminal to a known good ground.

If there is no continuity, repair wire 1640 (black) in pump house wire harness

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

harness (WP 0302).

Step 4.

Reconnect batteries (TM 9-2320-325-14&P).

Check for 22 to 28 VDC between hose

reel rewind solenoid power to a known good ground.

If 22 to 28 VDC are not present, go to Step 12.

Step 5.

Remove hose reel rewind motor power wire from hose reel rewind solenoid (WP 0251).

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

While an assistant pushes

and holds REEL REWIND button, check for 22 to 28 VDC between hose reel rewind

motor power wire at hose reel rewind solenoid terminal and a known good ground.

Install hose reel rewind motor power wire on hose reel rewind solenoid (WP 0251).

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

Step 6.

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

Check for continuity across

hose reel rewind motor ground wire (black) from ground stud to a known good ground.

a.

If there is continuity, replace hose reel motor (WP 0332).

b.

If there is no continuity, repair hose reel ground wire from chassis

ground terminal block to ground stud (TM 9-2320-325-14&P), or

replace hose reel ground wire (WP 0251).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION