Carburetor Adjustment - Echo 06999999 Operator's Manual

5. Replace screen if it is cracked, plugged or has holes burned
through.
6. Assemble components in reverse order.
NOTE
When installing the cylinder cover, be certain the muffler gasket
tabs (D) are locked into the muffler grill slots and the stop switch
lead is seated in the rubber grommet.

CARBURETOR ADJUSTMENT

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 9 "Specifications" of this manual. Turn idle screw (A) clock-
wise 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
H C
EDGE
O ' M
PERATOR S
D
LIPPER
19
ANUAL
A