Replacing The Drive Sprocket; Additional Maintenance Information - Oregon CS1500-091 Manual Original De Instrucciones

• Remove the bar and chain
• Remove the screw from the back side of
the chain tensioning gear and remove the
chain tensioning gear from the guide bar as
described in "Maintaining the Guide Bar"
• Place the new chain tensioning gear on the
side of the guide bar facing you, and replace
the screw
• Place the guide bar on the bar pad by sliding
the bar slot over the alignment flange as
described in "Maintaining the Guide Bar"
• Replace the saw chain as described in
"Replacing a Worn Saw Chain and Sharpening
Stone"
• Tension the chain as described in "Tensioning
the Saw Chain" in the "Preparing for Use"
section of the manual

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 ring (turn it
counterclockwise) 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 43)
FIG. 43
Chainsaw Model CS1500-091
Maintenance and Cleaning
• Insert the new spring and drive sprocket, and
install the new e-clip (Fig 44)
FIG. 44
• Replace the bar and chain as described in
"Replacing a Worn Saw Chain and Sharpening
Stone"
• 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://oregonproducts com/maintenance/
manual htm
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