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

MAINTENANCE AND CLEANING
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 39)
FIG. 39
• Insert the new drive sprocket with a
washer on each side, and install the new
e-clip (Fig 40)
FIG. 40
• Replace the bar and chain as described
in "Assembling the guide bar and saw
chain"
• Tension the chain as described in
"Tensioning the saw chain"
32
OREGON® Cordless Tool System
POLE SAW MODEL PS250

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
AE 0414 - F/N 563398