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12 WWW.SENIXTOOLS.COM
2. If adjustments are needed, loosen the bar mounting
nuts at first then loosen the saw chain tension
screw by turning it counterclockwise with the spark
plug wrench(Fig. 2).
3. Do not over-tension the chain: this will lead to
excessive wear and reduces the life of both the bar
and chain.
Fig. 2
The saw chain must be tensioned properly in
order to ensure safe operation. Since the saw chain
heats up during operation, its length can therefore
fluctuate. Check the chain tension every 10 minutes
of operation and adjust as necessary, particularly for
new saw chains. Slacken the saw chain after the work
is completed since it shortens when cooling down. In
doing so, you can elongate the chain’s life and prevent
damage.
1. Check the chain tension by pulling the saw chain
away from the guide bar. A properly tensioned
chain should have roughly 0.12in.( 3 mm )of
distance between itself and the bar guide (Fig. 1).
Fig. 1
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