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20
MAINTENANCE
WARNING
Use only original manufacturer's replacement parts, accessories and attachments.
Failure to do so can cause possible injury, poor performance and may void your
warranty.
WARNING
Servicing requires extreme care and knowledge and should be performed only be
a qualifi ed service technician. For service we suggest you return the product to
your nearest authorized service center for repair. When servicing, use only identical
replacement parts.
WARNING
Remove the battery before adjustment, maintenance or cleaning. Failure to do so
could result in serious personal injury.
•
You may only make adjustments or repairs described in this manual. For other repairs, contact the
authorized service agent.
•
Consequences of improper maintenance may cause the chain brake and other safety features
to not function correctly, thus increasing the potential for serious injury. Keep your chainsaw
professionally maintained and safe.
•
Sharpening the chain safely is a skilled task. Therefore the manufacturer strongly recommends
that a worn or dull chain is replaced with a new one, available from your authorised Ryobi service
centre. The part number is available in the product specification table in this manual.
•
Follow instructions for lubricating and chain tension checking and adjustment.
•
After each use, clean the product with a soft dry cloth.
•
Check all nuts, bolts and screws at frequent intervals for security to ensure the product is in
safe working condition. Any part that is damaged should be properly repaired or replaced by an
authorized service centre.
REPLACING GUIDE BAR AND SAW CHAIN
See page 29-30.
1. Make sure to remove the battery. Wear protective gloves.
2. Unscrew the chain tensioner knob by turning it counterclockwise until the sprocket cover
comes loose.
3. Remove the sprocket cover. Remove the bar and saw chain from unit.
4. To replace the bar with a new one, unscrew the nut of the chain tension assembly. Mount
the chain tension assembly on to the new bar and tighten the nut.
5. Put the new chain in the correct direction onto the bar and make sure that the drive links are
aligned in the bar groove.
6. Attach the bar to the chain saw and loop the chain around the drive sprocket.
7. Replace the sprocket cover.
8. Adjust the chain tension. Refer to the "Adjusting the chain tension" section.
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