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 455 of 1318

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

0061-15

DRAFT

0061

HWT0519A

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 19.

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

Open pump operator’s panel

(WP 0207).

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

Check for 22 to

28 VDC between pump operator’s panel wire harness wire 2834 (red) at FOAM FLUSH

switch terminal and a known good ground.

If 22 to 28 VDC are present, repair wire 2834 in pump operator’s panel wire

harness if repairable (TM 9-2320-325-14&P), or replace pump operator’s

panel wire harness (WP 0303).

Step 20.

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

Put FOAM FLUSH switch to

ON position (WP 0004).

With a test lead set, check for continuity across pump

operator’s panel FOAM FLUSH switch from terminal wire 2834 (red) to terminal wire

2849 (yellow).

a.

If there is continuity, repair wire 2849 in pump operator’s panel wire

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

operator’s panel wire harness (WP 0303).

b.

If there is no continuity, replace pump operator’s panel FOAM FLUSH

switch (WP 0220).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION