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12
Drive bar and saw chain assemble
10. Install both nuts, tighten them by hand, and then follow the instructions for adjusting the chain tension. When
the chain has reached the correct tension, tighten the nuts completely.
CHAIN TENSION ADJUSTMENT
WARNING! Always wear protective gloves when working with the chain. Proper chain tension is extremely
important and should be checked both before starting and periodically during operation. Taking the time to
adjust the chain will improve your performance and extend the life of your saw.
WARNING! A new chain will sag quickly and require tensioning after 5 to 8 cuts. This is common with new
chains and the tensioning interval increases over time.
The mechanism will wear much faster if the chain is too loose or too tight. Look at fi g. 9, which shows the correct
tension for a cold chain (A), a warm chain (B), and a chain whose tension needs to be adjusted (C).
Fig. 9
CHAIN TENSION ADJUSTING PROCEDURE
1. Loosen the nuts (on the protective cover) and turn the adjusting screw (D) clockwise to tighten the chain.
Turn the adjusting screw (D) counterclockwise to decrease chain tension. Make sure the chain is all the way
around the bar (fi g. 10).
2. After adjusting the chain, tighten the nuts securing the bar (protective cap together with the brake shield)
fi rmly. The chain is considered properly tensioned if you can move it over the bar by hand with little effort. The
chain should fi t well on the underside of the saw blade and be pulled by hand away from the blade by about
2-4 mm.
NOTE: If the chain has diffi culty moving on the bar or stops, it is overtightened. Loosen the tension.
CHECKING THE CHAIN BRAKE
Your chain saw has a chain brake that reduces the chance of injury if the saw bounces. The safety device is
triggered when pressure is applied to the brake guard. When the operator's hand strikes the shield, the chain
stops sharply.
WARNING! The chain brake reduces the chance of injury from chain saw bounce, but does not provide
protection if the unit is operated carelessly. Check that the chain brake is in good working order before
starting work and periodically while working with the chainsaw.
Fig. 10
FZP 45016-B
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