Echo PB-755S H Operator's Manual page 24

Echo power blower operator's manual
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24
Level 2.
Tools required: Screwdriver, tachometer (Echo P/N 99051130017)
Parts required: None.
NOTE
Do not adjust carburetor unless necessary. If you have difficulty,
see your ECHO dealer.
Before Adjustment
Check that:
• Air filter is clean and properly installed.
• 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 Page 27 "Specifications" of this manual. Turn idle
screw (A) clockwise to increase idle speed; counter clockwise
to decrease idle speed.
4. Use a tachometer to adjust idle speed to specifications found on
page 27.
A

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