Oregon CS250 Operator's Manual page 25

OREGON® PowerNow™ 40 V MAX CHAINSAW
MODEL CS 250 OPERATOR'S MANUAL
replacing tHe bar
and cHain
caution: tHis cHainsaW Has
been designed to be used WitH
poWersHarp® saW cHain and
We strongly recoMMend using
only poWersHarp® saW cHain
WHen replacing tHe saW cHain.
if you replace poWersHarp®
cHain WitH anotHer cHain
type, reMove tHe sHarpening
stone froM tHe poWersHarp®
integrated sHarpener. failure
to do so Will result in daMage
to tHe cHain and/or sHarpening
stone.
Wear gloves. With the chainsaw off and
cool and the battery pack removed,
remove the side cover by loosening the
side cover knob (Fig. 23). Make sure the
bar pad, sprocket, and tensioning screw
are free of debris.
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:
Fig. 23
F/N 547361 RevAD
• 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. 24), making sure
the bar adjusting pin is inserted in the
bottom hole in the tail of the bar.
Fig. 24
• Loop the new chain onto the drive
sprocket with teeth cutting edges
facing away from the drive sprocket
along 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. 25). Adjust the position of the bar
adjusting pin until it engages the hole
in the bar.
Fig. 25
© 2011 Blount, Inc.
MAINTENANCE AND CLEANINg
25