TM 10-4320-226-145.5.10 Crankshaft Pulley and Seal Maintenance.This task covers: 5.5.10.1 Removal5.5.10.2 InstallationINITIALSETUPToolsGeneral Mechanic’s Tool Kit (appendix B,Section III, Item 1)36 mm Socket (appendix B, Section III,Item 3)Torque Wrench 0-175 ft lbs (appendix B,Section III, Item 3)Angle Turn Indicator Tool (appendix B,Section III, Item 11)Seal Removing Tool (appendix B,Section III, Item 12)Crankshaft seal installer (appendix B,Section III, Item 13)Materials/PartsSeal (TM 10-4320-226-24P)Grease (appendix E, Section II, item 5)EquipmentConditionsEquipment shut down, refer toparagraph 2.5.1.2 or 2.5.2.2.V-belt guard removed, paragraph 4.10.6.GeneralSafety InstructionsTo prevent rolling or sliding, do notwork on equipment that is not securelystabilized.DO not work on equipment withoutfollowing standard shop safetyprecautions.5.5.10.1 Removal.To prevent rolling orsecurely stabilized.warning may result insliding, do not work on equipment that is notEnsure both wheels are secure.Failure to obey thisserious personal injury.Bolt securing pulley to crankshaft has left hand threads.a.Using 36 mm socket turn bolt (figure 5-10, 1) clockwise while restrainingpulley and remove bolt (1), washer (2), andb.Install bolt (1).c.Using seal removing tool, remove crankshaftd.Remove bolt (1).5.5.10.2 Installation.a.Lightly lubricate new seal with grease.b.Position crankshaft seal (4) to engine (lipusing front crankshaft seal installer.pulley (3).seal (4) and discard.inward).Press on crankshaft sealCheck crankshaft for uneven seal contact.If seal contact with crankshaftis uneven, carefully reposition seal.c.Align locating hole in crankshaft pulley with locating pin in crankshaftgearwheel and slide pulley (3) into position.d.Install washer (2) and bolt (1).5-28
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