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Echo PB-770T

Echo PB-770T
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26
A
Idle Adjustment
Before adjustment make sure that:
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 Page 29 "Specifications" of this manual. Turn idle screw
(A) clockwise to increase idle speed; counter clockwise to
decrease idle speed.

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