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 426 of 1318

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

0058-6

DRAFT

0058

HWT0398

WARNING

ICON 72

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 7.

Release bumper turret control agent discharge button (WP 0004).

Connect air line at

bumper turret foam metering valve.

Disconnect pump house wire harness bumper

turret foam metering control valve connector.

While an assistant pushes and holds

bumper turret discharge button (WP 0004), with a test lead set, check for 22 to 28 VDC

between pump house wire harness wire 2837 (gray) at bumper turret foam metering

control valve connector, terminal 1, and a known good ground.

If 22 to 28 VDC are not present, repair wire 2837 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