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 393 of 1318

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

0057-13

DRAFT

0057

Change 1

.

HWT0351A

.

Step 19.

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

Disconnect pump house wire

harness eductor control valve connector.

With a test lead set, check for continuity

across wire 4054 (yellow) from pump house wire harness diode pack connector,

terminal D to eductor control valve connector, terminal 1.

.

a.

If there is continuity, replace diode pack (WP 0269).

.

b.

If there is no continuity, repair wire 4054 in pump house wire harness if

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

harness (WP 0302).

.

Step 20.

Put FOAM FLUSH switch to OFF position (WP 0004).

Check if air line from air control

valve manifold to eductor valve is free from kinks and damage.

.

If air line is kinked or damaged, replace damaged air line (WP 0374).

.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION