Replacing The Drive Sprocket; Tensioning; Important; Battery Pack - Oregon PS250 Manual De Instrucciones

Replacing the Drive Sprocket

Replace the drive sprocket after every two saw
chain replacements, or when the sprocket is
damaged
Wear gloves when removing and replacing the
bar and chain
• Remove the battery
• Loosen the side cover knob and remove the
side cover
• Adjust the tensioning screw as far back
toward the rear of the cutting head as it will
go
• Remove the bar and chain
• Use a small flat screwdriver to pry open and
remove the e-clip, then remove the drive
sprocket and washers (Fig 41)
FIG. 41
• Insert the new drive sprocket with a washer on
each side, and install the new e-clip (Fig 42)
FIG. 42
• Replace the bar and chain as described in
"Assembling the Guide Bar and Saw Chain"
• Tension the chain as described in "Tensioning
the Sa w Chain"
Pole Saw Model PS250
Maintenance and Cleaning

Tensioning

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 pole saw is off and cool, it should
be tensioned
Tension the chain as described in "Tensioning
the Saw Chain"

Battery Pack

IMPORTANT: There are no user serviceable
parts inside the battery pack. Do not
disassemble.
Lithium ion batteries have a finite operating
life If the amount of cutting time per charge
decreases noticeably, the battery pack is at the
end of its useful life and should be replaced
• Make sure the battery pack, including the
contacts, is clean, dry, and has no signs of
puncture, impact, or other damage Broken
batteries can cause fires or emit hazardous
chemicals
• Clean dirty contacts with a soft, dry cloth Dirt
or oil can cause a poor electrical connection,
resulting in loss of power

Charger

• Unplug the charger from the electrical outlet
• Clean dirty contacts with a soft, dry cloth
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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