TM 5-3805-261-202-4.GENERAL MAINTENANCE INFORMATION.a.General.This section provides general repair methods and cleaning procedures. Special repair and cleaningprocedures are provided, as required, in the individual maintenance instructions.b.RepairMethods.(1)Complete disassembly is not always necessary to make a repair. Exercise good judgment to keepdisassembly and assembly to a minimum.(2)Repair or replace unserviceable parts and hardware. Always replace packings, gaskets and seals withnew parts.(3)Remove burrs with a stone or file. Remove burrs on closely fitted mating surfaces by lapping thesurfaces with abrasive grade compound.(4)Remove corrosion or rust with crocus or emery cloth. Use the method that will not damage the surfacebeing cleaned. Crocus cloth should be used to remove corrosion and rust from polished surfaces. Make sure that criticaldimensions are not altered when using crocus cloth.(5)Repair damaged threads with a thread chaser or die.(6)When welding is authorized, procedures in TM 9-327 must be followed. Welds must be inspected forcracks.(7)Bearings should be inspected and maintained following procedures in TM 9-214.(8)Clean electrical ground contracts with crocus cloth or emery cloth. Make sure ground connections aretight.(9)Repair chafed, broken or damaged electrical wiring with insulation tape, electrical, specification MIL-HH-I-595. When soldering is required, procedures in TB SIG-222 must be followed.(10) After locating the malfunction and repairing the component, test it for proper function.c.Cleaning.(1)Wire brush metal parts to remove rust and corrosion.WARNINGSolvent vapors are toxic. Do not use solvent in a confined space. Avoid long periods of breathingsolvent vapors and/or contact with skin.(2)Clean metal parts with dry cleaning solvent (SD2). Metal or fiber brushes may be used to apply cleaningsolvent and to remove softened or dissolved material. Hand scraping with metal scrapers may be used to remove softcoatings or deposits.2-4
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