Operating Guide

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.
t the bar ush 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.
Bar
groov
e
Chain drive links