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© 5/2016 ECHO Inc.
PB-755S H/T MAINTENANCE
• Air filter is clean and properly installed.
• Spark arrestor screen and muffler are 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.