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 645 of 1452

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

0173-15

DRAFT

0173

TFFT04668

Step 24.

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

Remove and install

SINCGARS radio and two-way radio interface wire harnesses in original positions.

Remove SINCGARS receiver transmitter and power adapter from electronic mounting

base (TM 11-5820-890-10).

Disconnect SINCGARS radio interface wire harness

connectors from electronics mounting base and intercom (WP 0462).

With a lead test

set, check for continuity across SINCGARS radio interface wire harness transmit audio

Lo wire (red) from intercom connector, terminal 2 to SINCGARS radio connector,

terminal A.

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

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

(WP 0462).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION