Replacing The Bar And Chain - Oregon CS250 Manuel D'instruction

MAINTENANCE AND CLEANING
REPLACING THE BAR
AND CHAIN
CAUTION: ONLY POWERSHARP®
SAW CHAIN CAN BE SHARPENED
BY THE POWERSHARP® LEVER
ON THE CHAIN SAW. REMOVE
THE SHARPENING STONE WHEN
USING SAW CHAIN OTHER THAN
POWERSHARP®. FAILURE TO DO SO
MAY RESULT IN DAMAGE TO THE
SAW CHAIN, SHARPENING SYSTEM,
AND/OR CHAIN SAW.
Wear gloves Turn the chain saw off and
let it cool Remove the battery pack,
loosen the side cover knob (Fig 25), and
remove the side cover Make sure the bar
pad, sprocket, and tensioning screw are
free of debris
FIG. 25
NOTE: This is a good time to inspect the
drive sprocket and tensioning screw for
excessive wear or damage
Install the new bar and chain as follows:
• Remove the sharpening stone if
replacing with a chain other than
PowerSharp®
26
OREGON® CORDLESS TOOL SYSTEM
CHAIN SAW MODEL CS250
• Adjust the tensioning pin as far back
towards the rear of the saw as it will go
Place the guide bar on the mounting
pad, by sliding the bar slot over the
alignment flange (the long, raised
portion of the bar pad holding the
mounting stud) (Fig 26), making sure
the bar adjusting pin is inserted in the
bottom hole in the tail of the bar
FIG. 26
• Loop the new chain onto the drive
sprocket with teeth cutting edges facing
away from along the top edge of the
guide bar
• Feed the chain into the groove of the
bar and slide the bar away from the
motor to remove slack from the chain
(Fig 27) Adjust the position of the bar
adjusting pin until it engages the hole in
the bar
FIG. 27
AD 0213 - F/N 551309