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 209 of 1390

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

0125-7

DRAFT

0125

Change 1

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HWT1486

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NOTE

Steps 9 and 10 checks cab power distribution wire harness wires 1052 (brown) and 1053

(orange) for a short to ground.

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Step 9.

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

to off position (WP 0004). With a test lead set, check for continuity (short to ground) of

power distribution wire harness wire 1052 (brown) from cab power distribution wire

harness siren control MP2 connector, terminal A to a known good ground.

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If there is continuity, repair wire 1052 in cab power distribution wire harness

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

harness (WP 0280).

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Step 10.

With a test lead set, check for continuity (short to ground) of power distribution wire

harness wire 1053 (orange) from cab power distribution wire harness siren control MP2

connector, terminal C to a known good ground.

.

a.

If there is continuity, repair wire 1053 in cab power distribution wire

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

distribution wire harness (WP 0280).

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b.

If there is no continuity, replace siren control (WP 0380).

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION