Hyundai HY6222 User Manual page 18

6.6. Carburetor anti-freeze mechanism.
6.6.1. Operating the chain saw in temperatures of 0-5℃ at times of high humidity
may result in ice forming within the carburetor, and this in turn may cause the
output power of the engine to be reduced or for the engine to fail to operate
smoothly.
6.6.2. This product has been designed with a ventilation hatch the back of the air
cleaner cover to allow warm air to be supplied to the engine and to there by
prevent icing from occurring.
6.6.3. Under normal circumstances the product should be used in normal operating
mode, i.e. in the mode to which it is set at the time of shipment.
6.6.4. However when the possibility exists that icing may occur, the unit should be
set to operate in anti-freeze mode before use.
6.6.5. How to switch between operating modes.
Continuing to use the product in anti- freeze mode even when temperatures have risen and
returned to normal may result in the engine failing to start properly or the engine failing to
operate at its normal speed. For this reason you should make sure that you return the unit
to its normal operating mode if there is no danger of icing occurring.
When using the saw with in the anti-freeze mode, you must frequently check the screen to
6.6.5.1. Move the engine switch to the 'O' off position to turn the engine off.
6.6.5.2. Remove the air cleaner cover from the cylinder cover.
6.6.5.3. Loosen the screw (3) and remove the screen (6) on the back of the air
cleaner cover (1).
6.6.5.4. Re-attach the screen right side left so as to the anti-icing plate (2) is now
on the right. Reinstall the cover.
6.6.5.5. Normal mode (4), Anti-freeze mode (5).
6.7. Chain brake.
6.7.1. This machine is equipped with an automatic brake to stop saw chain rotation
in the event of kickback whilst the chainsaw is in operation. The brake is
automatically operated by inertial force which acts on the weight fitted inside
the front guard. This brake can also be operated manually with the front guard
make sure it is kept clean of saw dust.
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