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2. Loosen the housing cover by
slightly rotating the cover locking
screw, (do not remove). See
diagram.
3. Use the blade tensioning wheel to
adjust the tension of the chain.
• Turn the blade tensioning wheel
clockwise to increase the
tension.
• Turn the blade tensioning wheel anticlockwise to decrease the tension.
4. Pull the chain gently downwards at the centre of the bar. The chain is
correctly adjusted when gentle pulling only results in it moving 2-4 mm
away from the chain bar. See centre diagram below.
5. When the chain tension is correct, re-tighten the cover locking screw
securely.
6. Finally, push and hold the trigger
lock and squeeze the trigger, whilst
holding the trigger, pull the chain
around the bar by hand - it should
fit snugly around the bar and
move freely and smoothly.
NOTE:
If the chain binds or is difficult
to rotate by hand, too much
tension has been applied.
Repeat steps 2 to 6, turning
the blade tensioning wheel
anticlockwise slightly to reduce the tension.
Summary of Contents for CECS405C
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