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 1084 of 1318

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

0098-2

DRAFT

0098

HWT0730

Step 1.

Remove pump house panel K (WP 0339).

Disconnect pump house wire harness water

tank drain control valve connector.

Push battery disconnect switch to on position

(WP 0007).

Put pump operator’s panel WATER TANK DRAIN switch to OPEN position

(WP 0004).

With a test lead set, check for 22 to 28 VDC between pump house wire

harness wire 4053 (brown) at water tank drain control valve connector, terminal A and a

known good ground.

If 22 to 28 VDC are not present, troubleshoot Water Tank Drain Valve Does

Not Operate When Selected (WP 0080).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION