TM-9-2350-273-BD M60 M48 Battle Damage Assessment and Repair Download
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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