Replacing The Drive Sprocket; Additional Maintenance Information - Oregon PS750-091 Manuel D'instructions Original

Replacing the Drive Sprocket

Replace the drive sprocket after every two saw
chain replacements or when the sprocket is
damaged .
Wear gloves .
• Unplug the pole saw .
• Loosen the side cover release knob slightly,
but do not remove the side cover .
• Loosen the chain tensioning ring (turn it anti-
clockwise) 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 . 38) .
FIG. 38
26
Maintenance and Cleaning
• Insert the new spring and drive sprocket, and
install the new e-clip (Fig . 39) .
FIG. 39
• 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://oregonproducts . c om/maintenance/
manual . h tm .
Pole Saw Model PS750-091