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 391 of 1318

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

0057-11

DRAFT

0057

Change 1

.

HWT0940

.

Step 16.

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

While an assistant holds cab

FOAM SYSTEM switch in on position, check for continuity across FOAM SYSTEM

switch, from terminal 5 to terminal 6.

.

a.

If there is continuity, repair wire 2830 in cab pump control wire harness

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

harness (WP 0281).

.

b.

If there is no continuity, replace cab FOAM SYSTEM switch (WP 0199).

.

HWT0347

.

Step 17.

Put pump operator’s panel FOAM SYSTEM switch to OFF position (WP 0004) and

release.

While an assistant puts pump operator’s panel FOAM FLUSH switch to ON

position (WP 0004), check if eductor valve operates to open position.

.

If eductor valve does not operate to the open position, go to Step 20.

.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION