MAINTENANCE PB-250LN
32 X7501186001
© 2/2016 ECHO Inc.
• Spark arrestor screen is free of carbon.
• Blower pipes are installed.
1. Start engine, run at idle for one
minute.
2. Complete warm up by running at
full throttle for 5 minutes, operating
choke twice to clear air from
carburetor chambers.
3. Check idle speed and reset if
necessary. If a tachometer is
available, idle speed screw (A)
should be set to the specifications
found on “Specifications” Page of
this manual. Turn idle screw (A)
clockwise to increase idle speed;
counter clockwise to decrease idle speed.
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