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8. ADJUSTING THE CARBURETOR
Idle adjusting screw
H needle
L needle
The carburetor on your unit has been factory adjusted, but may
require fine tuning due to a change in operating conditions. Be-
fore adjusting the carburetor, make sure that the provided air/
fuel filters are clean and fresh and the fuel properly mixed.
When adjusting, take the following steps:
Be sure to adjust the carburetor with the bar
chain attached.
1. H and L needles should only be turned 1/4 at a time.
H needle : -1/4
L needle : -1/4
2. Start the engine and allow it to warm up in low speed for a
few minutes.
3. Turn the idle adjusting screw (T) counterclockwise so that
the saw chain does not turn. If the idling speed is too slow,
turn the screw clockwise.
4. Make a test cut and adjust the H needle for best cutting
power, not for maximum speed.
ZZ
NOTE
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