Box spanner | Spanner (19 mm) |
(10 mm) | Hexagonal bar |
| (Part Number |
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REPLACEMENT OF CHUCK
Replacement of chuck should be done in the following manner:
1.Remove bolt with hexagonal hole fixed in the driving axle.
2.Insert accessory hexagonal bar (Part Number
3.Fit 19 mm spanner onto driving axle and keep it fitted.
4.Fit 10 mm box spanner onto the hexagonal bar and turn it into direction as indicated by an arrow to remove chuck.
5.Fit a new chuck in the reversed order of removing.
Idle speed adjustment screw
High Altitude Operation
This engine has been factory adjusted to maintain satisfactory starting, emission, and durability performance up to 1100 feet above sea level (ASL) (96.0 kPa). To maintain proper engine operation and emission compliance above 1100 feet ASL the carburetor may need to be adjusted by an authorized ECHO service dealer.
IMPORTANT
If the engine is adjusted for operation above 1100 feet ASL, the carburetor must be readjusted when operating the engine below 1100 feet ASL, otherwise severe engine damage may result.
ADJUSTING CARBURETOR
(As Required)
GENERAL INFORMATION
The idle speed adjuster screw controls the throttle opening at the idle position.
IDLE ADJUSTMENT
1.Start engine and allow it to run at high idle until warm.
2.Turn the idle speed screw clockwise until drill bit begins to move.
3.Turn idle screw counterclockwise 1 and 1/2 to 2 turn or until the drill bit stops (2700 to 3300 r/min).
NOTE
When there is some trouble with the carburetor, contact your dealer.
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