Operating Guide

24
Fig. 31
Correct Warm Tension
Too LooseCorrect Cold Tension
CAUTION:
If the saw chain was tensioned while warm, it
may become too tight when cooled. Loosen the chain
tension after operation and check the chain tension before
the next use.
Fig. 29
1. Turn the bar knob counterclockwise to slightly loosen the bar
cover (Fig. 28). DO NOT remove the bar cover.
2. Hold the guide bar tip up (Fig. 29) and turn the chain-tensioning
ring to adjust the tension (Fig. 30).
• Turn the chain-tensioning ring clockwise to tighten the saw chain.
• Turn the chain-tensioning ring counterclockwise to loosen the
saw chain.
The desired chain tension depends upon t
he temperature of the
saw chain (Fig. 31).
• Cold Chain Tensioning - The saw chain should fit snuggly against
the underside of the guide bar. There should be no sag (Fig. 31).
• Warm Chain Tensioning - The saw chain will expand as it heats
up during operation. The drive links should hang approximately
1
/16 inch (1.3 mm) out of the guide bar groove (Fig. 31).
3. Continue to hold the guide bar tip up (Fig. 29
). Tu
rn the bar knob
clockwise to securely tighten the bar cover (Fig. 28).
Fig. 30
Chain-Tensioning
Ring
Loosen
Tighten
Fig. 28
Bar Knob
Loosen
Tighten
Bar Cover