Echo CS-330T Instruction Manual page 24

HigH aLtitUDe aDJUStMent
1. Start engine and run for several minutes to reach
operating temperature.
2. Stop engine.
3. Start engine and turn the HI speed needle (A) lean
(CW) until the engine runs between 13,500 and
14,500 RPM. Then turn the LO speed needle lean (B)
(CW) until the engine does not hesitate when acceler-
ated.
Do not reMoVe LiMiter CaPS!
4. Idle Speed Adjustment.
• Turn "idle" speed adjustment screw (C) CW until the
saw chain begins to move, then turn the screw CCW
until saw chain stops moving. Turn screw CCW an
additional 1/4 turn.
5. Accelerate to full throttle for 2-3 seconds to clear
excess fuel from engine then return to idle. Accelerate
to full throttle to check for smooth transition from idle
to full throttle. If engine stops or stalls after full warm
up return the unit to your authorized ECHO dealer for
adjustment.
B
24
lo HI
C
a
B
a