O.S. Engines 12TR - Manual (Page 12)

LONG SOCKET WRENCH
Recommended for easy removal
and replacement of the angled
and recessed glowplug, the
O.S.Long Socket Wrench
incorporates a special grip.
SILICONE FUEL LINE
Heatproof silicone tubing of
approx. 5mm o.d. and 2mm i.d.
is required for the connection
between the fuel tank and
engine.
CARBURETTOR CONTROLS (10J)
The Needle-Valve:
The Mixture Control Screw:
The Throttle Stop Screw:
For setting the minimum idling speed.
Needle Valve
Mixture Control Valve
Assembly Screw
Throttle Stop Screw
Ball Link
NOTE:
Readjustment may
be necessary, occa-
sionally to allow for
changes in fuel for-
mula, gear ratio or
clutch engagement
point.
Three adjustable controls are provided on this
carburettor.
For adjusting the mixture strength when the throttle
is fully open.
For adjusting the mixture strength at part-
throttle and idling speeds, to obtain steady
idling and smooth acceleration to mid speeds.
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