Ryobi RY10520 Chainsaw User Manual


 
Page 26 — English
BAR
GROOVE
CHAIN DRIVE
LINKS
Fig. 38
CUTTERS
CHAIN ROTATION
CHAIN DRIVE LINKS
Fig. 37
Always place the switch in the STOP “ O ” posi-
tion before you work on the saw.
Make sure the chain brake is not set by pulling
the chain brake lever/hand guard towards the
front handle to the run position.
NOTE: When replacing the guide bar and chain,
always use the specified bar and chain listed in
the Bar and Chain Combinations section later
in this manual.
Wear gloves when handling the chain and bar.
These components are sharp and may contain
burrs.
Remove the bar mounting nuts using the com-
bination wrench provided.
Remove the clutch cover and the outer guide
bar plate.
Remove the bar and chain from the mounting
surface.
Remove the old chain from the bar.
Lay out the new saw chain in a loop and
straighten any kinks. The cutters should face
in the direction of chain rotation. If they face
backwards, turn the loop over.
Place the chain drive links into the bar groove
as shown.
Position the chain so there is a loop at the back
of the bar.
Hold the chain in position on the bar and place
the loop around the sprocket.
Fit the bar flush against the mounting surface
so that the bar studs are in the long slot of the
bar.
NOTE: When placing the bar on the bar studs,
ensure that the adjusting pin is in the chain ten-
sion pin hole.
Replace the outer guide bar plate ensuring that
the bar pin groove is at the bottom with the
upper and lower edges angled away from the
guide bar.
MAINTENANCE