TM 5-4320-302-145-12. FLYWHEEL (CONT)Location/ItemActionRemarksWARNINGOperate acetylene torches properly and be alert for leaks onany part of the equipment. Inhalation of acetylene pro-duces headache, dizziness, nausea, and possible loss of con-sciousness. If acetylene is inhaled, seek fresh air imme-diately.CAUTIONRing gear damage may occur if gear is overheated. Do notheat gear over 400°F (204°C). Use minimum amount ofheat required to fit ring gear on flywheel. Keep flamemoving at all times.7. Ring gearMount replacement ring gear on flywheel asinstallationfollows:a. Support flywheel (ring gear side up) on asolid flat surface.b. Rest ring gear on a flat metal surface.NOTEHeat indicating crayons, which are placed on the ring gear,and melt at a predetermined temperature, may be obtainedfrom most vendors. Use of crayons will guard against over-heating the gear.c. Heat the gear evenlywith an acetylenetorch. Keep movingflame rapidly oversurface of gear.d. Use tongs to posi-tion replacementgear in identicalposition to oldgear.5-33
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