TM 5-3895-373-20CHAPTER 8TRANSMISSION SYSTEM MAINTENANCEPara PageGeneral Maintenance Procedures......................................................................................... 8.1 8-1Replace Hydraulic Charge Filter Assembly........................................................................... 8.3 8-9Replace Hydraulic Oil Cooler ................................................................................................ 8.2 8-28.1. GENERALMAINTENANCEPROCEDURES.All unit level maintenance shall be performed inaccordance with good and safe shop practices. Observethe following general instructions and requirements whenperforming transmission system maintenance.a.Thoroughly clean hydraulic hoses and fittingsbefore disconnecting. Always plug or cap offdisconnected fittings to prevent dirt and contaminantsfrom entering the system. Failure to clean hoses andfittings and to plug or cap open fittings may result inhydraulic system contamination and equipment damage.b.Always tag mating connectors and fittings beforedisconnecting. Tagging of mating connectors and fittingswill ease reassembly and reduce assembly errors.c.Use a backup wrench when loosening ortightening inline fittings. Using a backup wrench willprevent unnecessary damage to attached lines and/orsmaller fittings.d.Thread locking compound is used with mostthreaded fasteners. If a threaded fastener will not breakloose, heat threaded area of fastener from 500° to 600°F(232° to 315C) with heater gun. If the special solventused to remove thread locking compound from screwthreads fails to remove buildup, discard fastener.e. Discard all removed gaskets, seals, preformedpackings, self-locking nuts, and lockwashers.f. Inspect all removed components for obviouswear or damage. Replace all worn, bent, broken, orotherwise damaged parts.g. Inspect all removed fasteners for threaddamage. If thread damage is found, replace fastener.Replace flat washers if galled or bent. Use screwextractor set (Item 15, Appendix E) to remove brokenstuds or screws.h. Torque values cited in the text apply to modifiedSAE Grade 8 fasteners at required clamping loads.i. Use only authorized replacement parts. Refer toTM 53895-373-24P, Repair Parts and Special Tools List(RPSTL) for authorized replacement parts.j. Observe all warnings and cautions. Wearprotective clothing and equipment as specified. Observethe Safety and Hazard Warnings provided in TACOMtechnical bulletin TB 43-0216.8-1
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