TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING LUBRICATION INSTRUCTIONS — Continued 0128 00 1) Inspect and cap all air and fluid openings, lines, and hoses. b. CLEAN EVERY PART. Clean every part well after removal and before installation. Clean parts such as housings, covers, and dipsticks before removal. Avoid getting dirt and foreign matter in a system. 1) Clean all parts before inspection, after repair, and before installation. Use cleaning compound or approved cleaner. Dry parts with wiping rag (WP 0542 00, Item 45). c. HANDLE WITH CARE. Use care when handling parts during cleaning and maintenance. Nicks, scratches, dents, or burrs can prevent proper assembly or cause malfunctions after assembly. 1) Keep hands free of grease; grease collects dirt. 2) After cleaning, cover or wrap parts to protect from dirt. d. AVOID ABRASIVES. Except where specially called for in a task, don’t use abrasives, files, wire brushes, or sharp tools. On some surfaces, finish is important to the operation of close-fitting parts. e. REMOVAL AGENTS. Remove gum or old grease deposits by soaking parts in cleaning compound (WP 0542 00, Item 9). Scrub with a brush (WP 0542 00, Item 30) Use cleaning cloth (WP 0542 00, Item 8) to remove minor surface defects. WARNING Air under pressure in excess of 30 psi (207 kpa) can injure personnel. Do not direct pressurized air at yourself or others. Always wear goggles. C A U T I O N Lye or caustic mixtures will damage metal surfaces. Do not use lye or caustic mixtures to clean metal surfaces. f. STEAM CLEANING. If steam cleaning is used, dry clean parts at once with compressed air. Apply a thin film of clean oil to surfaces that are not painted to prevent rusting. Never use lye or caustic mixtures that will corrode or etch metal surfaces. g. LUBRICATION OF NEW BEARINGS. See TM 9-214 for cleaning and lubrication procedures. Bearings that have been in service should also be lubricated. h. CASTINGS. WARNING Air pressure in excess of 30 psi (207 kpa) can injure personnel. Do not direct pressurized air at yourself or others. Always wear goggles. 0128 00-7 Change 1