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 207 of 1390

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

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DRAFT

0125

Change 1

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HWT0319

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Step 6.

Install circuit breaker FS 6 (WP 0242). Disconnect cab power distribution wire harness

siren control MP2 connector. Push battery disconnect switch to on position (WP 0007).

Put EMERG MASTER switch to on position (WP 0004). With a test lead set, check for

22 to 28 VDC between wire 1637 (red) at cab power distribution wire harness siren

control MP2 connector, terminal F and a know good ground.

.

If

22 to 28 VDC are not present, repair wire 1637 in cab power distribution

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

distribution harness (WP 0280).

.

Step 7.

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 across cab power

distribution wire harness wire 1640 (black) from cab power distribution harness siren

control MP2 connector, terminal D to a known good ground.

.

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

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

harness (WP 0280).

.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION