Oregon PS250 Manual De Instrucciones página 30

MAINTENANCE AND CLEANING
OREGON® Cordless Tool System
POLE SAW MODEL PS250
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 barand chain.
• Use a small flat screwdriver to pry open
and remove the e-clip, then remove the
drive sprocket and washers (Fig. 41).
Insert the new drive sprocket with a
washer on each side, and install the new
e-dip (Fig. 42).
• Replace the bar and chain as described
in"Assembling the guide barand saw
chain".
•Tension the chain as described in
"Tensioning the saw chain".
TENSIONING
IMPORTANT: ONLY TENSION THE
SAW CHAIN WHEN THE CHAIN IS
COOL. A HOT CHAIN MAY CONTRACT
AND DAMAGETHE 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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AD 0414- F/N 563397