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 404 of 1318

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

0057-24

DRAFT

0057

Change 1

.

HWT0938

.

Step 33.

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

With a test lead set, check for

continuity across wire 2830 (red) from cab pump control wire harness FOAM SYSTEM

switch connector, terminal 6 to cab power distribution wire harness relay 9 connector,

terminal 1.

.

If there is no continuity, go to Step 36.

.

HWT0937

.

Step 34.

With a test lead set, check for continuity across cab power distribution wire harness wire

1640 (black) from relay 9 connector, terminal 2 to a known good ground.

.

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

block (WP 0280).

.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION