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 853 of 1318

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

0076-15

DRAFT

0076

HWT1167

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 24.

Remove relay 8 (WP 0244).

Check for 22 to 28 VDC between cab power distribution

wire harness wire 2854 (red) at relay 8 connector, terminal 3 and a known good ground.

If 22 to 28 VDC are not present, replace cab power distribution wire harness

and block (WP 0280).

Step 25.

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

Check for continuity across

cab power distribution wire harness wire 2844 (white) from relay 8 connector, terminal 4

to relay 5 connector, terminal 3.

a.

If there is continuity, replace relay 8 (WP 0244).

b.

If there is no continuity, replace cab power distribution wire harness

and block (WP 0280).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION