EN
Translation of original owner’s manual
79
4.
While holding up the tip of the bar, adjust the chain
tension by turning the tensioner screw
until the tie
straps just touch the bottom side of the bar rail.
The
chain must be able to move freely in the guide
groove. It is correctly tensioned if you can pull it up
out of the groove at the top in the middle of the bar
by approx. 3 mm.
5.
Tighten the nuts securely with the bar tip held up
(12
-
15 Nm). Then check the chain for smooth
rotation and proper tension while moving it by hand.
If necessary, readjust with the chain cover loose.
6.
Adjust the chain tensioner screw.
(a)
Turn counter
-
clockwise: Loosen the chain
(b)
Turn clockwise: Tighten the chain
It is very important to maintain the proper chain tension. Rapid wear of the guide bar or the chain
coming off easily can be caused by improper tension. Especially when using a new chain, take
good care of it since it should expand when first used.
■
Fuel
The engines are lubricated by oil specially formulated for
air
-
cooled 2
-
cycle gasoline engine use. If oil is not
available, use an antioxidant added quality oil expressly
labeled for air
-
cooled 2
-
cycle engine use.
C
aution:
For the mixture, never use a fuel with an
ethanol
percentage higher than 10 %; gasohol (mixture of
gasoline and ethanol) up to 10 % ethanol or E10 fuel are
acceptable.
4. Installing guide bar and saw chain
IMPORTANT
Summary of Contents for BP 41
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