O.S. Engines 18TZ(S)-T - Manual (Page 24)

The basic positions can be found by rotating
the Metering Needle until its slotted head is
flush with the ball link body.
In case of the 11K carburetor
Ball Link
Carburetor Body
Rotate the Metering
Needle until its slotted
head is flush with the
ball link body. This is the
standard position.
Metering Needle
Slide Valve
First rotate the Mixture
Control Valve until its slotted
head is flush with the
carburetor body. Then screw
the valve in exactly 0.5 turn.
This is the standard position.
Mixture Control Valve
Carburetor Body
Throttle Lever
In case of the 11 L carburetor
Rotate the Mixture
Control Valve until its
slotted head is flush with
the ball link body. This is
the standard position.
Mixture Control Valve
Carburetor Body
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