TM 10-4320-309-14TM 4320-14/1Figure 5-49. Crankcase Cross-SectionREPAIR:a.Ball bearing (5) on the flywheel side has been press fitted onto the crankshaft.b.If ball bearing (5) is bad, then remove bearing with a mechanical puller.c.Check crankshaft for wearing or scoring surface. Replace crankshaft if excessived.Install new ball bearings (5) by press fitting onto crankshaft.INSTALLATION:a.Grease the oil seal lips.b.Apply lubricating oil to the crankshaft bearing insert and crankpin.wear is evident.Crankshaft must be carefully Installed Into crankcase to avoid damagingthe crankcase oil seal.c.Insert the crankshaft using the crankshaft to crankcase oil seat fitting guide.d.Make sure crankshaft has been inserted as far as it will go by tapping on crankshaft with rubber mallet.Figure 5-50. Installing the Bearing Holdere.Install the bearing holder.5-47
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