GreenWorks Commercial GS 180 Guide D'utilisation page 30

MAINTENANCE
NOTE: Make certain of direction of the chain.
• 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.
Ensure that the chain is over the sprocket.
NOTE: When placing the bar on the bar studs, ensure
that the adjusting pin is in the chain tension pin hole.
• Replace the chain cover.
• Remove all slack from the chain by turning the
chain adjustment screw clockwise until the chain
sea ts snugly against the bar with the drive links
in the bar groove.
• Lift the tip of the guide bar up to check for sag.
• Release the tip of the guide bar and turn the chain
adjustment screw 1/2 turn clockwise. Repeat this
process until sag does not exist.
• Hold the tip of the guide bar up and tighten the
chain cover lock nuts by turning them with the
wrench.
• The chain is correctly tensioned when there is no
sag on the underside of the guide bar, the chain
is snug, but it can be turned by hand without
binding.
NOTE: If the chain is too tight, it will not rotate. Loosen
the chain cover lock nuts slightly and turn the chain
adjustment screw 1/4 turn counterclockwise. Lift the tip
of the guide bar up and retighten the chain cover lock
nuts. Ensure that the chain will rotate without binding.
Chain drive links
30
Bar
groove