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 638 of 1452

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

0173-8

DRAFT

0173

TFFT04767

Step 11.

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

Put intercom cables to

original position from previous step.

Disconnect driver side intercom cable from driver

side intercom headset jack.

Disconnect passenger side intercom cable from passenger

side intercom headset jack. Connect passenger side intercom cable to driver side

intercom headset jack.

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

While talking into passenger side headset microphone (do not press push-to-talk

button), check if passenger side headset microphone can be heard through headset

earphone.

a.

If passenger side headset microphone can be heard through headset

earphones, replace passenger side intercom jack (WP 0395).

b.

If passenger headset microphone cannot be heard through headset

earphones, replace passenger side intercom cable and

connectors (WP 0395).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION