TM 5-3895-370-14&Pa.When cleaning ball or roller bearings, place in a basket and suspend in a container of drycleaning solvent, (item50, Appendix E). If necessary, use a brush (item 5, Appendix E) to remove caked grease or chips. Avoid rotatingbearings before solid particles are removed to prevent damaging races and balls.b.Do not clean preformed packings or other rubber parts in drycleaning solvent. Wipe with a clean, dry, lint-freecloth (item 12, Appendix E).c.Electrical parts such as coils, connectors, switches, and insulated wiring should not be soaked or sprayed withcleaning solutions. Clean these parts with a clean, dry cloth moistened with drycleaning solvent (item 50, Appendix E).d.For exterior cleaning of frame and structural components, use detergent (item 19, Appendix E) in a solution asrecommended on the container. Leave application on items surface for approximately 10 minutes before rinsing. Rinsewith hot or cold water under pressure. If available, use hot water under 80 to 120 psi (36 54 kPa) pressure. An ordinarygarden hose may be used if no other equipment is available. If pressurized water supply is not available, wash paintedsurfaces with a solution of 1/4 cup soap chips (item 10, Appendix E) to one gallon of water.CAUTIONDo not use gasoline, diesel fuel, or other petroleum base products to clean orpreserve hydraulic components. Use of petroleum based products can change thelubricating quality of hydraulic fluid and cause failure or damage to equipment.e.When cleaning hydraulic system components, use petroleum-free solvents. Clean and dry parts thoroughly tomake sure no residue remains. If preservative is required before reassembly, apply a light film of hydraulic fluid (item 21,Appendix E).4-21. REMOVAL AND DISASSEMBLY OF COMPONENTS.a.Before removal of any electrical component, disconnect battery ground cables.b.Ensure that adequate clearance is available for removal of the component. Disassemble the vehicle to the extentnecessary to provide adequate working clearance.WARNINGAll personnel must stand clear during lifting operations. A swinging or shiftingload may cause injury or death to personnel.c.Use a chain hoist, jack, or other aid when lifting heavier components. Lifting device should be positioned andattached to components to remove all strain from mounting hardware, before last supporting piece of hardware isremoved.d.Discard preformed packings, gaskets, seals, and similar material when removed. Be sure that all traces of oil,gaskets, and sealants are removed. When possible, use wood or plastic probes and scrapers to prevent damage tomachined surfaces.4-47
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