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5. Fit the chain cover to the unit and fasten the nuts to the
chainsaw. Fasten as tight as possible using only your fingers.
6. While holding up the tip of the bar, adjust the chain tension by
turning the adjustment wheel until the chain engages in the bar
channel. When tensioned correctly, it should be possible to pull
one full chain link free of the bar channel with ease.
7. Tighten the wheel as securely as you can using your fingers.
Then check the chain for smooth rotation and proper tension
while moving it by hand. If necessary, loosen the chain cover.
8. Tighten the tensioner wheel.
NOTE: A new chain will expand its length during the first
period of use. Check and re-adjust the tension frequently, as
a loose chain can easily derail or cause rapid wear of itself
and the chain bar.
CAUTION! If the saw chain is TOO LOOSE or TOO TAUT, the
clutch, chain bar, chain and crank shaft bearing will suffer
premature wear, this diagram shows the correct tension A
(when cold) and tension B (when warm). C shows a chain that
is too loose.
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