TM-9-2350-275-BD Battlefield Damage Assessment and Repair for M113 Family Download
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TM 9-2350-275-BD COMMUNICATIONS SYSTEM Procedural Steps (Cont): 8. Record the BDAR taken. When the mission is completed, as soon as practicable, repair vehicle using standard maintenance procedures. 11-28. FOREIGN EQUIPMENT INTERCHANGEABILITY (SOVIET INTERCOM R-124) General Information: This procedure gives installation and operating instructions for the Soviet R-124 intercom. Limitations: ● The AN/VRC-12 series radio cannot be wired through this intercom. Therefore, the radio can only be operated by one man. 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, W D-l/TT, 5-foot length (two required) ● Wire 2-concor 12-gauge 3 foot length ● 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-1 box. See position 6 in the illustration on the following page. 11-39