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 795 of 1318

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

0073-9

DRAFT

0073

HWT0799

Step 14.

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

Open pump operator’s

panel (WP 0207).

Remove diode pack from pump operator’s panel wire harness diode

pack connector (WP 0222).

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

While an assistant puts cab PUMP PRIME switch or pump operator’s panel DRIVER

MAIN INLET PRIMER to on position (WP 0004), with a test lead set, check for 22 to 28

VDC between pump operator’s panel wire harness wire 1590 (red) at diode pack

connector, terminal B and a known good ground.

If 22 to 28 VDC are not present, go to Step 18.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION