Guide bar adjustment stud
Guide bar adjustment stud
Adjusting the chain
WARNING! Never attempt to install, replace or adjust the chain while the engine is running.
WARNING! The chain is very sharp. Always wear safety gloves when handling the chain.
IMPORTANT! A loose chain can jump off the guide bar causing damage to the chain and other equipment.
Always make sure the chain is correctly adjusted. Check more often when you are breaking in a new chain.
IMPORTANT! Correct chain adjustment is essential for maximum performance, long chain life and operator
safety. Always inspect chain tension before operating the chainsaw.
1. Place the chainsaw on a clean and flat surface. For readjustment during operation, stop the engine and
allow the guide bar and chain to cool before proceeding with the adjustment procedure.
2. Open the sprocket cover nuts with a plug wrench. Fig. 39
3. Lift the tip of the guide bar while turning the chain tensioning screw. Fig. 40
• Turn clockwise to tighten the chain
• Turn counterclockwise to loosen the chain
4. Test the tension by rotating the chain by hand along the top of the guide bar several times. Tension is cor-
rect when the chain feels a bit snug but can still move freely. Fig. 41
5. Tighten the sprocket cover nuts securely while lifting the tip of the guide bar.
6. Periodically check during operation that the chain tension is correct. Check more frequently with a new
chain. Tension is correct when the chain feels a bit snug but can still move freely.
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