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CARBURETOR ADJUSTMENT
WARNING
The blades must not move at idle, otherwise serious personal injury
may result. Periodic carburetor adjustment may be necessary to
assure blades do not move at idle.
If blades move, readjust carburetor according to these instructions,
or see your ECHO Dealer
Engine Break-In
New engines must be operated a minimum duration of two tanks of fuel
break-in before carburetor adjustments can be made. During the break-
in period your engine performance will increase and exhaust emissions
will stabilize. Idle speed can be adjusted as required.
High Altitude Adjustment
High altitude adjustment is not required for proper operation of this
engine.
Level 2.
Tools required:
Screwdriver, Tachometer (ECHO P/N 99051130017).
Parts required:
None.
NOTE
Every unit is run at the factory and the carburetor is set in compli-
ance with emission regulations. This carburetor does not have
acceleration and high-speed adjustment needles.
1. 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.
WARNING
When carburetor adjustment is completed, the cutting attachment
should not move at idle, otherwise serious personal injury may
result.
DANGER
DANGER
H
C
EDGE
LIPPER
O
'
M
PERATOR
S
21
ANUAL
A
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