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 851 of 1318

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

0076-13

DRAFT

0076

HWT2026A

Step 20.

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

Check for continuity across

wire 2855 (red) from cab pump control wire harness TANK TO PUMP switch connector,

terminal 6 to cab power distribution wire harness relay 5 connector, terminal 1.

If there is no continuity, go to Step 23.

Step 21.

Check for continuity across cab power distribution wire harness wire 1640 (black) from

relay 5 connector, terminal 2 to a known good ground.

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

block (WP 0280).

Step 22.

Check for continuity across cab power distribution wire harness wire 2855 (red) from

relay 5 connector, terminal 1 to relay 5 connector, terminal 5.

a.

If there is continuity, replace relay 5 (WP 0244).

b.

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

and block (WP 0280).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION