TM 5-4520-253-13REPLACE CONTROL BOX HARNESS WIRESTOOLS: Tool kit, service, refrigeration unitNSN 5180-00-596-1474MATERIALS/PARTS: Solder (Item 12, Appendix E)Cable tie (2)REFERENCES:Page 3-39 lNSPECT/REMOVE/lNSTALL ROOM THERMOSTAT RECEPTACLEAppendix FEQUIPMENT CONDITION:PageConditionDescription3-39Control box cover open.GENERAL SAFETY INSTRUCTIONS:Power off.Heater cool.REPLACEMENT:Table 3-5 lists particulars for all of the control box harness wires.Table 3-6 lists only those wireswhich can be fabricated for replacement by unit maintenance. Opposite the index number of eachreplaceable wire inaction to be taken.table 3-6 is the corresponding figure number in” Appendix F and the appropriate1. Cut two cableDeath or serious injury could occur if precautions are nottaken when maintaining this equipment. Position HEATER-OFF-FAN switch to OFF, remove power cable plug fromPOWER RECEPTACLE, and ground capacitors C1 and C2prior to gaining access to heater compartments. Terminalsof capacitors are accessible at end cover of combustionblower. Always disconnect power cable before making con-tinuity tests or before repairing heater. Always haveanother person standing by who is trained in electric shockfirst aid.Allow sufficient time for heater to cool to room tempera-ture before gaining access to heater compartments.ties (17) and discard.2. Release tension on harness clamp (18) by removing screw (19), lock washer (20), and nut (21).3-51
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
