Echo GT-1100

SERVICE
CARBURETOR ADJUSTMENT
(As Needed)
The idle speed adjustment screw controls the throttle
opening at idle position.
If the idling adjustment is too low or too high, use the
following procedure.
ADJUSTING IDLE SPEED SCREW
1. Start engine and allow it to warm up.
2. Turn screw clockwise until cutting head begins to
rotate.
3. Turn screw counterclockwise one turn or until head
stops rotating.
CLEANING MUFFLER AND EXHAUST PORT
(SAM) (Clean as Necessary)
1. Remove muffler cover and muffler.
NOTE: Be careful not to scratch the cylinder or piston
when cleaning the cylinder exhaust port
2. Clean deposits from cylinder exhaust port.
3. Replace spark arrester screen if clogged.
4. Install muffler and muffler cover.
14