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 141 of 1390

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

0120-21

DRAFT

0120

HWT2610

Step 28.

Check for continuity across SINCGARS radio interface wire harness receive audio Hi

wire (blue) from intercom connector, terminal 6 to SINCGARS radio connector,

terminal K.

a.

If there is continuity, fault is in SINCGARS electronic mounting base,

power adapter, or receiver transmitter, notify Supervisor.

b.

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

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

harness (WP 0289).

Step 29.

Inspect two-way radio interface wire harness connectors at intercom and two-way radio

for loose connectors.

If two-way radio interface wire harness connectors are loose, tighten

connection (WP 0289).

Step 30.

Remove four screws and lift intercom away from intercom bracket (WP 0256).

Disconnect SINCGARS interface wire harness connector from intercom RADIO B

connector (WP 0289).

Disconnect two-way radio interface wire harness connector from

intercom RADIO A connector (WP 0289).

Connect two-way radio interface wire

harness connector on intercom RADIO B connector.

Press intercom RADIO B button

(WP 0004).

While an assistant operates two-way radio, check if two-way radio

communications can be heard through headset earphones.

If two-way radio communications can be heard through headset earphones,

replace intercom (WP 0256).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION