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 817 of 1318

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

0074-3

DRAFT

0074

Change 1

.

Step 2.

Push battery disconnect switch to on position (WP 0007).

Turn Engine switch to ON

position (TM 9-2320-422-10).

Check pressure governor display for pressure in PUMP

INTAKE PRESSURE section of display (WP 0017).

.

If pressure is present, Replace PUMP BLOW OUT air supply

valve (WP 0384).

.

HWT2974

.

Step 3.

Open PUMP BLOW OUT air supply valve (WP 0033).

Check if air can be heard

escaping from air line between PUMP BLOW OUT air supply valve to pump blow out

elbow on primer valve assembly.

.

If air can be heard escaping from air line, replace PUMP BLOW OUT air

supply valve air line (WP 0374).

.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION