27
MAINTENANCE
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 tensioning bolt clockwise with a hexagon
ring spanner until the chain seats 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 tensioning bolt 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 bolt.
•
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 chain is too tight, it will not rotate. Loosen
the chain cover lock bolt slightly and turn the chain
tensioning bolt 1/4 turn counterclockwise. Lift the tip
of the guide bar up and retighten the chain cover lock
bolt. Ensure that the chain will rotate without binding.
Bar
groove
Chain drive links
Содержание 2000800
Страница 38: ...38 EXPLODED VIEW...