Adjustment Of Idling; Prevention From Carburetor Icing - Dolmar PB-7650.4 Instructions D'emploi

ADJUSTMENT OF IDLING
CAUTION:
The carburetor is factory adjusted. Never adjust other than idling
●
adjusting. For other adjustments, ask Dolmar authorized service
center.
Checkup of low-speed rotation
Set the low-speed rotation to 2,800 rpm (/min).
If it is necessary to change the rotation speed, regulate the idling
●
adjusting screw (1), with Phillips screwdriver.
Turn the adjusting screw to the right, and the engine speed will increase.
●
Turn the adjusting screw to the left, and the engine speed will drop.
PREVENTION FROM CARBURETOR ICING
CAUTION:
When environmental temperature is higher than 10°C, always return
●
the lever to normal (sun mark) setting. Otherwise the engine may be
damaged by overheating.
When the environmental temperature is low and humidity is high, water
vapor may freeze inside the carburetor and the engine drives unsteadily
(carburetor icing). Change the setting of the anti icing lever as follows if
necessary.
Environment temperature is higher than 10°C: Turn the lever to normal
–
position (sun mark).
Environment temperature is equal or lower than 10°C: Turn the lever to
–
anti-icing position (snow mark).
(1)
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