TM 9-2350-247-20-1PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDINGLUBRICATION INSTRUCTIONS — Continued0128 00h.CASTINGS.WARNINGAir pressure in excess of 30 psi (207 kpa) can injure personnel. Do not direct pressurized air atyourself or others. Always wear goggles.1) Clean inner and outer surfaces of casting with cleaning compound (WP 0542 00, Item 9). Dry casting withcompressed air.2) Remove sludge and gum deposits with brush (WP 0542 00, Item 30).3) Blow out all tapped holes with compressed air.i.BEARINGS. Bearings require special cleaning techniques. See TM 9-214 for cleaning and maintenance proceduresfor bearings.j.BATTERIES. See TM 9-6140-200-14 to service batteries.k.OIL PASSAGES.1) Make sure oil passages are not clogged.2) Clean oil passages and break up any sludge or gum deposits.WARNINGAir pressure in excess of 30 psi (207 kpa) can injure personnel. Do not direct pressurized air atyourself or others. Always wear goggles.2) Flush oil passages with cleaning compound (WP 0542 00, Item 9). Dry parts with compressed air.l.OIL SEALS, ELECTRIC CABLES, AND FLEXIBLE HOSES.CAUTIONCleaning compound causes leather, rubber, and synthetic materials to become brittle. Do notuse cleaning compound to clean seals, cables, and flexible hoses.l. Clean seals, cables, and flexible hoses with general purpose detergent (WP 0542 00, Item 16) and water. Dry withwiping rag (WP 0542 00, Item 45).0128 00-8
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