MAINTENANCE
HCS-3020 4020
34
X7702243801
© 03/2019 ECHO Inc.
1.
Before adjusting the carburetor,
clean or replace the air filter and
spark arrestor screen.
2.
Start engine and run for several
minutes to reach operating
temperature.
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.
When carburetor adjustment is completed, the cutting
attachment should not move at idle, otherwise serious personal
injury may result.
Lubrication
Blades
Level 1.
Hedge Trimmer blades are very sharp. Touching them may lead
to severe personal injury. Avoid touching blades whenever
possible, and always wear gloves to protect hands.
1.
Move stop switch to stop
position.
2.
Disconnect spark plug wire
from spark plug.
3.
Brush loose debris from blade
and coat both sides of blade
with the 50- 50 cleaning
mixture.
Parts Required: Echo RedArmor™ Blade Cleaner & Lubricant, or
20W Engine Oil (blade lubrication), 50-50 mixture of
kerosene and 20W oil (blade cleaning)
A