Hyundai HY6222 User Manual page 17

6.4.2. The chain oil flow can be altered by inserting a screwdriver in the hole (1) on
bottom of the clutch side. Adjust the oil flow according to your work
conditions.
The chain oil tank should be nearly empty by the time the fuel is used up.
Make sure that you refill (or top up) the chain oil tank every time the unit is fueled.
6.5. Carburetor adjustment.
6.5.1. The carburetor on your unit has been factory adjusted, but may require fine
tuning due to changes in operating conditions. Before adjusting the
carburetor, make sure that the air/fuel filters are clean and free of any debris,
properly mixed fuel. When adjusting, take the following steps;
6.5.1.1. Stop engine and allow it to cool then screw in both
needles until they stop, DO NOT apply excess pressure when doing this.
6.5.1.2. Then set them back the initial number of turns as shown below.
H
6.5.1.2.1.
L
6.5.1.2.2. (1) needle 1
6.5.1.3. Start the engine and allow it to warm up at half throttle.
6.5.1.4. Turn the
where idling speed is maximum, then set the needle back a quarter (¼)
turn the screw counter clockwise.
6.5.1.5. Turn the idle adjusting screw
chain does not turn. If idling speed is too slow, turn the screw clockwise.
6.5.1.6. Make a test cut and adjust the
for maximum speed.
(2) needle 1 3 /
8
1
/
4
L
(1) needle slowly in a clockwise direction to find a position
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T
(3) counter clockwise so that the saw
H
(2) needle for best cutting power, not
H L
(2) and (1)
Rev 2