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 770 of 1318

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

0072-106

DRAFT

0072

Change 1

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HWT2902

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Step 128.

Check for continuity across wire 1640 from cab power distribution block relay 14,

terminal 4 to a known good ground.

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If there is no continuity, repair wire 1640 in cab power distribution wire

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

distribution wire harness and block (WP 0280).

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WARNING

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ICON 3

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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.

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CAUTION

Engine must be at idle before engaging PTO.

Failure to comply will result in

damage to PTO and/or transmission.

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Step 129.

Start engine (TM 9-2320-422-10).

Put PUMP PTO switch to on position (WP 0004).

With a test lead set, check for 22 to 28 VDC at wire 1677 (white) from cab power

distribution block relay 14, terminal 2 to a known good ground.

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If 22 to 28 VDC are not present, go to Step 131.

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION