Adjusting the Carburetor
It is not necessary to adjust the carbu- retor when the unit is new. Adjust the carburetor only when you are sure it is necessary due to differences in work- ing conditions such as atmospheric pressure or temperature, or change in unit conditions after more than 10 hours of use.
If you are unfamiliar with carbure- tor adjustment techniques, ask your dealer for advice.
Adjust the carburetor in accordance with the following procedures.
WARNING!
When adjusting the carburetor, keep bystanders well away, and make sure the
1.Prior to adjusting, clean the air filter as described on the previous page and then run the engine for a few of minutes at idle speed to warm up the engine.
Adjusting Idle Speed
To adjust idle speed, turn the Idle Adjust Screw with a screwdriver. See Figure 22. Turn clockwise to increase idle speed. Adjust idle speed so the cut- off wheel does not rotate at idle.
Recommended idle speed:
EC7500.30
Figure 22
18