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 196 of 288

TM 9-2350-273-BD

COMMUNICATIONS SYSTEM

Personnel/Time Required:

●

1 soldier

●

1 hour

Materials/Tools:

●

Handset, H-189/6R, (each chestplate), or standard CVC helmet

●

Intercom, Soviet, R-124

●

Plate, chest, Soviet (one for each control box)

●

Tape,

electrical.

●

Wire, 4-conductor, 18-gauge, 5-foot length or cable, telephone, WD-l/TT, 5-foot

length (two required)

●

Gun, soldering

●

Solder, rosin-core

Other Option:

●

Field expedient intercom (refer to para. 11-22).

Procedural Steps:

NOTE

All wires in the R-124 interconnecting cables are soldered

directly to the internal connecting points in the individual

boxes. Use care in removal/installation. Do not disconnect

individual boxes unless absolutely necessary.

1. Remove the R-124 from Soviet vehicle and install in U.S. vehicle.

2.

Wire the H-189/GR handset or CVC helmet using the procedures listed in para.

11-26.

NOTE

Power is obtained in the same manner as listed in step 1 of para. 11-26.

3. Attach the red and white wires from the power cable to the black terminal on the

bottom of the A-1 box of the R-124. Attach the black and green wires from the power

cable to the ground strap on the A-l box. See position 6 in the following illustration.

11-41