TM 5-4320-300-146-11. CRANKSHAFT AND FLYWHEEL (CONT))Location/ItemActionRemarksCAUTIONStarting motor pinion damage may occur if chamfered side of replacementring gear is not facing same direction as chamfer on replaced gear. Notechamfered side of gear before replacement.NOTEOnly remove a ring gear if it is to be replaced.27. Ring gearTo remove ring gear from flywheel, supportSupport flywheelremovalflywheel on a solid flat surface, position acrankshaft sidedrift punch on upper edge of ring gear, anddown.lightly tap punch while moving it around thegear.WARNINGOperate acetylene torches properly and be alert for leaks on any part ofthe equipment. Inhalation of acetylene produces headache, dizziness,nausea, and possible loss of consciousness. If acetylene is inhaled, seekfresh air immediately.CAUTIONRing gear damage may occur if gear is overheated. Do not heat gear over400°F (204°C). Use minimum amount of heat required to fit ring gear onflywheel. Keep flame moving at all times.28. Ring gearMount replacement ring gear on flywheel asinstallationfollows:a. Support flywheel (ring gear side up) on a solidflat surface.b. Rest ring gear on a flat metal surface.6-101
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