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 567 of 1318

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

0065-11

DRAFT

0065

HWT0488A

Step 13.

Install circuit breaker P9 (WP 0262).

Open pump operator’s panel (WP 0207).

Disconnect pump operator’s panel wire harness DRIVER SIDE AUX. INLET valve

control connector.

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

Check for

22 to 28 VDC between pump operator’s panel wire harness wire 4097 (orange) at

DRIVER SIDE AUX. INLET valve control connector, terminal A and a known good

ground.

If 22 to 28 VDC are not present, go to Step 15.

Step 14.

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

With a test lead set, check for

continuity across wire 3895 (black) from pump operator’s panel wire harness DRIVER

SIDE AUX. INLET valve control connector, terminal B and a known good ground.

a.

If there is continuity, replace DRIVER SIDE AUX. INLET valve

control (WP 0209).

b.

If there is no continuity, repair wire 3895 in pump operator’s panel wire

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

operator’s panel wire harness (WP 0303).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION