TM 10-4320-307-244-17CRANKSHAFT ASSEMBLY REPLACE'REPAIR _(CONT)INSTALLATION:Live steam used for cleaning shall not exceed 100 psi (690 kPa). Duringsteam cleaning operations, adequate ventilation, natural or forced, should beprovided. Do not direct live steam against skin.Death or serious injury could occur if compressed air is directed against the skin.Do not use compressed air for cleaning or drying unless the pressure is has beenreduced to 30 psi (2.11 kgcm2) or less. When working with compressed air alwaysuse chip guards, eye protection, and other personal protective equipment.CAUTIONAfter crankshaft has been steam cleaned, do not touch the machinedsurfaces with bare hands. This will cause rust to form. Lubricate crankshaftbefore han-dling.1If new crankshaft is to be installed, steam clean It to remove rust preventive. Blow through oil passages with com-pressed air.2.Lubricate new crankshaft with lubricating oil before handling.3.Pass a 3/4-inch (19.05 mm) rope or fabric lifting sling through cylinder bores 1 and 6. attach to suitable lifting gearand support crankshaft in approximate position for installation of bearings and bearing caps.CAUTIONEquipment damage could occur if bearing caps or bearings are not returned totheir original positions. Follow match marks made during disassembly.NOTEWhen a new or reground crankshaft is installed. ALL new main and center bearings andbearing shells (upper and lower) must also be Installed.4.Check match marks on main bearing shells and bearing caps and lay shells and caps out in correct position for instal-lation. Be sure that caps are layed out in proper direction as well as position as indicated by match marks.4-132
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