TM-9-2350-274-BD M109 Battlefield Damage Assessment and Repair Download
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TM 9-2350-274-BD COMMUNICATIONS SYSTEM 11-12. INTERCOMMUNICATIONS CABLE REPAIR General Information This procedure gives methods for connecting broken wires in multiple wire cables such as the CX-4723 intercommunications cables. Limitations: ● None. Personnel/Time Required: ● 1 soldier ● 5-10 minutes per individual wire Materials/Tools: ● Knife ● Tape ● Soldering iron ● Solder, rosin-core Other Options: ● See other methods in the electrical chapter of TM 9-2350-276-BD. Procedural Steps: 1. 2. 3. 4. 5. 6. 7. 8. 9. Turn off power or unplug cable at both ends if possible or at end nearest the damaged area. Peel back outside insulation about 3 inches on each side of damaged area. Identify wires with broken insulation only and those with actual separated wires. Tape those with broken insulation but with wire intact. Cut clean ends on broken wires. Strip insulation back 1/2 inch. Matching color coding on wires, twist together, solder if possible, or tighten with pliers if available. Bend twisted wires back along length of wire. Tape repaired wire with length of tape. 10. When all wires are repaired, tape around entire bundle and try to seal insulation ends peeled back in Step 2. 11. Plug cable back into equipment, turn on power, and test. 12. Record BDAR action taken. When the mission is complete, as soon as practicable, repair vehicle using standard maintenance procedures. 11-15