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Use and Care Manual

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70
DRIVE SPROCKET
70
Drive Sprocket Maintenance
6. l Clean any build-up of sap or debris from splined hub so
rim drive sprocket can float freely.
7. u Do not run old saw chain on a new drive sprocket, or a new
saw chain on an old drive sprocket*. Use two new saw chains in
rotation with each new drive sprocket so all can wear together.
Replace drive sprocket every two saw chains, or sooner.
or
or
8. u Apply clean lithium-based grease to the clutch drum’s bearings
each time the drive sprocket is removed.
*See top of page 68 for drive sprocket wear-depth indicators.