MAINTENANCE
so that it is aligned with the position of the bar chain tensioning pin hole.
nReplace the clutch cover and bar mounting nuts.
n
n Remove all slack from the chain by turning the chain tensioning screw clockwise until the chain seats snugly against the bar with the drive links in the bar groove.
n Lift the tip of the guide bar up to check for sag.
n Hold the tip of the guide bar up and tighten the bar mounting nuts securely.
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. Ensure that the chain brake is not set.
NOTE: If chain is too tight, it will not rotate. Loosen the bar nuts slightly and turn the tension adjuster 1/4 turn counterclockwise. Lift the tip of the guide bar up and retighten the bar nuts securely. Ensure that the chain will rotate without binding.
CLUTCH
COVER
ADJUSTING PIN
CHAIN TENSIONING
PIN HOLE
CLUTCH
CHAIN
TENSIONING
SCREW
Fig. 40
GUIDE BAR
Fig. 41
BAR
MOUNTING
NUTS
SPROCKET
COVER
BAR
MOUNTING
NUTS
Fig. 39
Page 27 — English
Fig. 42