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 204 of 1390

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

0125-2

DRAFT

0125

Change 1

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HWT1488

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NOTE

Integrated siren amplifier will produce a faint audible signal which can be heard at siren

control if siren speaker or wiring fails.

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Step 2.

Put siren control selector switch to WAIL, YELP, and HI-LO (WP 0004). Check if siren

output can be heard at siren control.

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If siren is heard faintly at siren control, go to Step 11.

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Step 3.

Check if siren speaker operates without distortion.

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If siren operates with distortion, cut main wire harness wires 1052 (brown),

and 1053 (yellow) at siren speaker butt splice connectors and swap wire

connections, if distortion persists, replace siren speaker (WP 0400).

.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION