TM-9-2350-273-BD

M48/M60 SERIES TANK, COMBAT FULL-TRACKED 105-MM GUN

TECHNICAL MANUAL; OPERATORS, ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; BATTLEFIELD DAMAGE ASSESSMENT AND REPAIR

TM-9-2350-273-BD - Page 197 of 288

TM 9-2350-273-BD

COMMUNICATIONS SYSTEM

procedural Steps (Cont'd)

4.

Operating procedures for the R-124.

NOTE

Operating Procedures are keyed to the intercom.

1

. A-1 MAIN JUNCTION BOX

2. FUNCTION SWITCH

3. FUSE

4. VOLUME CONTROL

5. CVC RECEPTACLE

6. VOLTAGE CONNECTION POINT

7. R-112 CONNECTION CABLE

8.

R-123 CONNECTION CABLE I NOT SHOWN)

9. A-4 TERMINATING BOX

10. CVC RECEPTACLE

11. A-3 INTERCONNECTING BOX

12. CVC RECEPTACLE

13. A-2 CONTROL BOX

14. CVC RECEPTACLE

15. FUNCTION SWITCH

a.

Connect the CVC helmet to the chest plate switch. Connect the chest plate

switch to any of the R-124 receptacles (5, 10, 12, or 14 in the intercom figure).

b.

Set FUNCTION SWITCH (2) and FUNCTION SWITCH (15) to the intercom BC

position. (Both function switches must be in the BC position to allow all four boxes

access to intercom.)

c.

Adjust VOLUME CONTROL (4) for desired audio level in the headsets.

5.

Record the BDAR action taken. When the mission is completed, as soon as

practicable, repair tank using standard maintenance procedures.

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