ARMY TM 9-6115-464-34AIR FORCE TO 35C2-3-445-2NAVY NAVFAC P-8-624-34c. Cleaning, Inspection, and Repair.(1)(2)(3)(4)(5)(6)WARNINGSolvent, Dry Cleaning P-D-680, Type II is flammable and moderately toxic to skin,eyes and respiratory tract. Eye and skin protection required. Good general ventilationis normally adequate.Failure to observe this warning could result in personal injury ordeath.WARNINGCompressed air used for cleaning and drying purposes can create airborne particlesthat may enter the eyes. Pressure shall not exceed 30 psig and use only with adequatechip guards and chipping goggles. Failure to observe this warning could result inpersonal injury or death.Clean all parts in dry cleaning solvent (Federal Specification P–D-880) and dry with filteredcompressed air.Clean all oil passages in crankshaft and connecting rods with a wire brush.CAUTIONUse care to avoid damaging ring groove in pistons. Failure to observe this cautioncould result in equipment damage.Scrape carbon deposit from top and ring groove of piston.Inspect crankshaft for cracks, nicks and scratches on bearing journals or other damage. Removeminor nicks and scratches from bearing journals with crocus cloth. Clean to remove abrasiveresidue.Perform magnetic particle inspection of crankshaft in accordance with established procedures.Remove minor nicks, burrs, and scratches from crankshaft bearing journals by polishing with crocuscloth.CAUTIONWhen regrinding crankshaft, it is imperative that the 5/32 inch radius from journal tocheek be maintained. Crankshaft breakage may result from improper grinding of thisfillet. Failure to observe this caution could result in equipment damage.Table 3-3. (UNDERSIZED BEARING JOURNALS)Crankshaft journal diameter (In.)BearingSizeMain BearingConnecting rodStandard2.8734/2.8744 2.3730/2.37400.020 inch2.8534/2.85442.3530/2.35400.040 inch2.8334/2.8344 2.3330/2.33400.060 inch2.8134/2.8144 2.3130/2.31403-123
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
