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 Personnel/Time Required ● 1 soldier ● 1 hour Materials/Tools ● Wire, 4-conductor, 18-gauge 5-foot length or cable, telephone, WD-1/TT, 5-foot length, (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 approximate y four inches of the outer insulation. Stagger the splices, and scrape approximate y 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 troth the red and the white wires in this power cable to the positive side of the Soviet power supply. (Point A.) 3. Use another jumper cable of at least 12-gauge wire, and attach both the black and the green wires in this power cable to the negative side of the power supply. (Point B.) 11-29