Ryobi OPP18, Original Instructions Manual, Page: 19 / 28

17
MAINTENANCE
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4. Place the bar into the bar stud so the chain
tensioning pin fits into the chain tensioning
pin hole. Fit the chain over the sprocket and
into the bar groove. The cutters on the top of
the bar should face toward the bar tip, in the
direction of the chain rotation.
5. Replace the drive case cover.
6. Using the allen key wrench, tighten the bar
bolt, finger tight only. The bar must be free to
move for tension adjustment.
7. Remove all slack from chain by turning the
chain tensioning screw clockwise, assuring
that the chain seats into the bar groove during
tensioning.
Lift the tip of the bar up to check for sag.
Release the tip of the bar, and turn the chain
tensioning screw 1/2 turn. Repeat this process
until sag does not exist.
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