TM 5-6115-593-12TO 35C2-3-463-1Table 5-7. OPERATOR/CREW PREVENTIVE MAINTENANCE CHECKS AND SERVICES, HOUSING KIT.NOTE: Within designated interval, these checks are to be performed in the order listed.B-Before A-AfterD-DuringItemINTERVALITEMS TO BEPROCEDURESCHECK FOR AND HAVE REPAIREDEQUIPMENT ISNOT READY/No.BDAINSPECTEDOR ADJUSTED AS NECESSARYAVAILABLE IF:1oWeatherStrippingExcessive wear, rot or damage.Inspect for breaks, cracks, loosemounting, loose or missing hardware,corrosion, or rust.Table 5-8. Housing Kit TroubleshootingMALFUNCTIONTEST INSPECTIONCORRECTIVE ACTION1. LOUVERS FAIL TO OPERATE PROPERLY.Observe if one or all louvers fail to operate.If all louvers fail to operate, check wiring harness between louver circuits and 24V DC buss.If only one louver fails to operate, refer testing and replacement of relay (K60 through K63), limit switches(S60 through S63), and motors (B10 through B13) associated with malfunctioning louver (refer to next higherlevel of maintenance).2.RADIATOR SHUTTER FAILS TO OPERATE.Visually inspect shutter assembly for broken springs, jammed shutters, and leaking coolant or hydraulic fluidat control assembly. Refer to paragraph 5-33 for housing kit maintenance procedure.c. RepairofHarnessAssembly.(1) If a broken wire is accessible, removesufficient insulation from each side of thebreak to allow a good connection of thebared ends by twisting them together.Solder the connection and wrap withelectrical tape.(2) If a wire is broken from a terminal lug,replace the lug. If a wire is broken from aconnector, resolder and reassemble.CAUTIONUnder no condition leave the bareconnection exposed.5-22
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