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 965 of 1318

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

0086-3

DRAFT

0086

HWT1245

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 4.

Remove cab instrument panel B (WP 0205).

Disconnect cab pump control wire

harness switch connector from non-operating switch.

Check for 22 to 28 VDC between

cab pump control wire harness wire 1018 (violet) at cab pump control wire harness

non-operating switch connector, terminal 7 and a known good ground.

If 22 to 28 VDC are not present, repair wire 1018 in cab pump control wire

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

wire harness (WP 0281).

Step 5.

Turn Service Drive Lights Off (TM 9-2320-422-10).

Pull battery disconnect switch to off

position (WP 0007).

Check for continuity across cab pump control wire harness wire

1027 (black) from cab pump control wire harness non-operating switch connector,

terminal 8 to a known good ground.

a.

If there is continuity, replace non-operating rocker switch (WP 0199).

b.

If there is no continuity, repair wire 1027 in cab pump control wire

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

control wire harness (WP 0281).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION