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 448 of 1318

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

0061-8

DRAFT

0061

HWT0513

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 10.

Connect air line at eductor valve. Disconnect pump house wire harness eductor control

valve connector.

Put pump operator’s panel FOAM FLUSH switch to ON position

(WP 0004).

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

harness wire 4054 (yellow) at pump house wire harness eductor control valve

connector, terminal 1 and a known good ground.

If 22 to 28 VDC are not present, repair wire 4054 in pump house wire

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

harness (WP 0302).

Step 11.

Put FOAM FLUSH switch to OFF 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 eductor control valve connector, terminal 2 to a

known good ground.

a.

If there is continuity, replace eductor shutoff 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).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION