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Chainsaws
Adjusting Chain Tension
Always loosen sprocket guard nuts before turning the chain tension adjuster, otherwise the sprocket guard and tensioner will be damaged.
1
Release cylinder cover latches (A).
2
Remove cylinder cover (C) and spark plug lead (D).
3
Unlock the chain brake.
4
Loosen sprocket guard nuts (E).
5
Hold the bar nose up and turn adjuster screw (F) clockwise until chain contacts underside of the bar.
6
Tighten sprocket guard nuts (E) with the bar nose held up.
7
Pull the chain around the bar by hand. Loosen the adjustment if you feel tight spots.
8
Tighten sprocket guard nuts to 20 - 23 N•m (175 - 200 lbf•in). Do not over-tighten nuts or damage to saw may result.
9
Assemble components in reverse order.
Keep chain properly tensioned at all times
Note: Saw chains require frequent adjustments.