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 142 of 1390

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

0120-22

DRAFT

0120

HWT2611

Step 31.

Put EMERG MASTER switch to on position (WP 0004).

Turn Service Drive Lights

on (TM 9-2320-422-10).

Remove and install two-way radio and SINCGARS interface

wire harnesses in original positions.

Press intercom RADIO A button (WP 0004).

Put

siren mode select switch to RADIO position (WP 0004).

While an assistant operates

two-way radio, check if two-way radio communications can be heard through siren

speaker.

If two-way radio communications can be heard through siren speaker, repair

two-way radio interface wire harness if repairable (TM 9-2320-325-14&P), or

replace two-way radio interface wire harness (WP 0289).

Step 32.

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

Disconnect two-way radio

interface wire harness connectors from two-way radio and intercom (WP 0289).

With a

test lead set, check for continuity across two-way radio interface wire harness receive

audio Lo wire (violet) from intercom connector, terminal 7 to two-way radio connector,

terminal 1.

If there is no continuity, repair receive audio Lo wire if repairable

(TM 9-2320-325-14&P), or replace two-way radio interface wire harness

(WP 0289).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION