TM-9-2320-328-13-P-2

HEMTT-BASED WATER TENDER (HEWATT)

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST); PART 2 OF 3

MARCH 2009

TM-9-2320-328-13-P-2 - Page 237 of 1390

TM 9-2320-328-13&P-2

0127-17

DRAFT

0127

HWT2221A

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 23.

Disconnect pump house wire harness pump house heater four terminal connector. Put

DIESEL HEATER TEST switch to on position (WP 0004). With a test lead set, check for

22 to 28 VDC between pump house wire harness wire 4086 (yellow) at pump house

wire harness pump house heater four terminal connector, terminal 2 and a known good

ground.

If 22 to 28 VDC are present, replace pump house heater (WP 0310).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION