TM-9-2350-273-BD M60 M48 Battle Damage Assessment and Repair Download
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TM 9-2350-273-BD COMMUNICATIONS SYSTEM Materials/Tools: ● Wire, 4-conductor, 18-gauge 5-foot length or cable, telephone, WD-l/TT, 5-foot llength, (two required) (cut back three steel strands of the two sections) ● ● ● ● ● ● ● ● Connector, UG-273 Handset, H-189/GR, or standard CVC helmet Plate, Soviet chest Transceiver, Soviet, R-123M (with power supply) Wire, 2-conductor, 12-gauge (minimum size), 3-foot length Rope, lo-foot length Gun, soldering Solder, rosin-core Other Options: ● Substitute radio with: 1. Foreign allied equipment (Refer to para. 11-27). 2. Foreign AN/VRC-12 series equipment. (Refer to para. 11-25.) Procedural Steps: NOTE The AN/VIC-1 intercom should not have the R-123M wired through it. For proper operation of the intercom while the R-123M is being used, set the INSTALLATION SWITCH on the AM-1780 to INT ONLY position. 1. Locate the power cable that runs from the turret wall to connection J-21 on the bottom of MT-1029. Remove the cable from the J-21 connection. Without removing the connector from the cable, strip back and remove approximately four inches of the outer insulation. Stagger the splices, and scrape approximately 1/4 to l/2-inch of the inner insulation off each of the four wires in the cable. 2. Use a jumper cable of at least 12-gauge wire, and attach both the red and the white wires in this power cable to the positive side of the Soviet power supply. (Point A.) 11-30