Replacing The Drive Sprocket; Additional Maintenance Information - Oregon CS1200-092 Original Instruction Manual

Wear gloves.
• Unplug the chainsaw.
• Loosen the side cover release knob slightly,
but do not remove the side cover.
• Loosen the chain tensioning dial as far as it
will go.
• Loosen the side cover release knob and
remove the side cover.
• Remove the bar and chain.
• Replace the guide bar as described in
"Maintaining the Guide Bar".
• Replace the chain as described in "Replacing a
Worn Saw Chain".
• Tension the chain as described in "Tensioning
the Saw Chain".

Replacing the Drive Sprocket

Replace the drive sprocket after every two saw
chain replacements or when the sprocket is
damaged.
Wear gloves.
• Unplug the chainsaw.
• Loosen the side cover release knob slightly,
but do not remove the side cover.
• Loosen the chain tensioning dial as far as it
will go.
• Loosen the side cover release knob and
remove the side cover.
• Remove the bar and chain.
• Use a small flat screwdriver to pry open and
remove the e-clip, then remove the drive
sprocket and spring (Fig.
FIG. 42
Chainsaw Model CS1200-092
Maintenance and Cleaning
).
• Insert the new spring and drive sprocket, and
install the new e-clip (Fig.
FIG. 43
• Replace the bar and chain as described in
"Replacing a Worn Saw Chain".
• Tension the chain as described in "Tensioning
the Saw Chain" in the "Preparing for Use"
section of the manual.
Additional Maintenance
Information
For further information on maintaining the saw
chain, guide bar and drive sprocket, consult the
Oregon Maintenance and Safety Manual at
®
http://www.oregonproducts.eu/en/customer-
service/maintenance-safety-manual.html.
).
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