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 534 of 1318

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

0064-6

DRAFT

0064

HWT2937

WARNING

ICON 3

Remove rings, wristwatches, neck chains, and any other jewelry before working

around vehicle.

Jewelry can catch on equipment and cause serious injury.

Jewelry

and tools may short across electrical circuits and cause damage to equipment, or

severe burns or electrical shock to personnel.

Step 7.

Install relay P1 (WP 0263).

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

While an assistant puts DIRECT TANK FILL switch to AUTO position (WP 0004).

Check for 22 to 28 VDC between wire 2315 at relay P2 connector, terminal 1 to a known

good ground.

If 22 to 28 VDC are not present, replace relay P1 (WP 0263).

Step 8.

With a test lead set, check for 22 to 28 VDC between wire 2315 at relay P2 connector,

terminal 3 to a known good ground.

a.

If 22 to 28 VDC are present, replace relay P1 (WP 0263).

b.

If 22 to 28 VDC are not present, repair wire 2315 in pump house power

distribution wire harness if repairable (TM 9-2320-325-14&P), or

replace pump house power distribution wire harness and

block (WP 0299).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION