Replacing The Drive Sprocket; Tensioning The Saw Chain; Additional Maintenance Information - Oregon CS1500-091 Original Instruction Manual

OREGON® CHAIN SAW
MODEL CS1500-091

REPLACING THE DRIVE SPROCKET

Replace the drive sprocket after every
two saw chain replacements or when the
sprocket is damaged
Wear gloves
• Unplug the chain saw
• 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 37)
FIG. 37
• Insert the new spring and drive sprocket,
and install the new e-clip (Fig 38)
FIG. 38
F/N 570773 - AC 0614
MAINTENANCE AND CLEANING
• 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

TENSIONING THE SAW CHAIN

IMPORTANT: ONLY TENSION THE SAW
CHAIN WHEN THE CHAIN IS COOL. A HOT
CHAIN MAY CONTRACT AND DAMAGE
THE GUIDE BAR OR CHAIN AS IT COOLS.
If the chain does not touch the underside of
the bar when the chain saw is off and cool,
it should be tensioned
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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