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 658 of 1318

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

0071-20

DRAFT

0071

HWT1200

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 29.

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

Open pump operator’s panel (WP 0207).

With a test lead set, check for 22 to 28 VDC

between pump operator’s panel wire harness wire 2834 (red) at PUMP COOLER

switch, terminal and a known good ground.

If 22 to 28 VDC are not 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 30.

Pull battery disconnect switch to off position (WP 0007). While an assistant holds pump

operator’s panel PUMP COOLER switch in ON position, check for continuity across

pump operator’s panel PUMP COOLER switch, from terminal wire 2834 (red) to

terminal wire 4037 (orange).

If there is no continuity, replace pump operator’s panel PUMP COOLER

switch (WP 0221).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION