TM-5-4210-249-13-P-2

TACTICAL FIRE FIGHTING TRUCK (TFF) MODEL M1142

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT REPAIR PARTS AND SPECIAL TOOLS); PART 2 OF 4

TM-5-4210-249-13-P-2 - Page 644 of 1452

TM 5-4210-249-13&P-2

0173-14

DRAFT

0173

TFFT04667

Step 23.

Turn battery disconnect switch to OFF position (WP 0007).

Remove four screws and lift

intercom away from intercom bracket (WP 0395).

Disconnect SINCGARS interface

wire harness connector from intercom RADIO B connector (WP 0462).

Disconnect

two-way radio interface wire harness connector from intercom RADIO A connector

(WP 0462).

Connect SINCGARS radio interface wire harness connector on intercom

RADIO A connector.

Turn battery disconnect switch to ON position (WP 0007).

Press

intercom RADIO A button (WP 0004).

While an assistant operates SINCGARS radio,

check if SINGARS radio communications can be heard through headset earphones.

If SINCGARS radio communications can be heard through headset

earphones, replace intercom (WP 0395).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION