Full Product Manual
5. Engine idles poorly 5.1. Air filter is dirty 5.1.Clean air filter
5.2. Air vents are
clogged
5.2.Remove debris
from vents
6. Engine skips at high
speed
6.1. Gap between
electrodes of spark
plug is too close
6.1.Set gap between
electrodes at
0.6 - 0.7mm
7. Engine overheats 7.1. Air vents are
clogged
7.1. Remove debris
from vents
7.2. Incorrect spark plug
7.2. Install correct spark
plug and cylinder
fins on engine
7.3. Saw chain is
blocked
7.3. Remove blockage
8. Unsatisfactory result 8.1.Saw chain is worn 8.1.Have a specialist to
sharpen or replace
it
8.2.Saw chain not
tensioned properly
8.2.Tension properly
8.3.Blunt saw chain 8.3.Only cut branches
within the limits
8.4.Improper chain
speed
Have a specialist to
adjust it
9. Excessive
vibration/noise or
exhaust
9.1.Saw chain is
dull/damaged
9.1. Have it replaced
with a new one
9.2.Bolts/nuts are loosen 9.2. Tighten bolts/nuts
9.3.Fuel is incorrect 9.3. Empty out unused
fuel and refill with
the correct fuel
1-800-348-5004
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