Carburetor Adjustment; High Altitude Adjustment; Idle Speed Adjustment - Echo SRM - 311 Operator's Manual

CARBURETOR ADJUSTMENT

Note
New engines must be operated for a minimum of two tanks of fuel
before carburetor adjustments can be made. During the break-in
period your engine performance will increase and exhaust emis-
sions will stabilize. Idle speed can be adjusted as required.

High Altitude Adjustment

High altitude adjustment is not required for proper operation of this
engine.
Emissions Adjustments
Every unit is run at the factory and the carburetor is set in compliance
with California Emission Regulations. This carburetor does not have
acceleration and high speed adjustment needles.

Idle Speed Adjustment

Idle speed adjustment may be required periodically to comply with
specifications for this unit. See page 11, "Specifications" for correct
idle speed.
Level 2.
Tools required: Screwdriver, Tachometer (ECHO P/N 99051130017).
Parts required: None.
1. Check idle speed using a tachometer, and reset if necessary. 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 turn at idle, otherwise serious personal injury may
result.
G
RASS
DANGER
T /B
RIMMER RUSH
O '
PERATOR S
C
UTTER
25
M
ANUAL
A