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Toro 51643 - Reassembly

Toro 51643
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Carburetor Disassembly (cont’d)
Figure
23
Carburetor Reassembly
IMPORTANT
Make certain all parts are clean and
in
good condition.
Do
not use worn or damaged parts.
1.
Install the
E
clip on the throttle valve. Nominal
placement
of
the
E
clip is in the middle groove. The
upper groove will yield a leaner mixture and the
lower groove yields a richer mixture.
See
Figure
25.
E-CLIP
GROOVES
SECONDARY NEEDLE
Figure
25
2.
Position the needle with the retainer clip into the
throttle valve.
3.
Install the special washer and spring clip as shown
in Figure
26.
Push the needle assembly into the
throttle valve and line up the slots in the special
washer and the throttle valve.
Figure
26
4.
Slide the throttle spring on the throttle cable and
position the throttle cable into its groove in the
throttle valve.
5.
Install the throttle adjusting screw with the
adjusting screw spring into the carburetor.
6.
Install the high speed mixture screw. Gently seat
the screw, then back out approximately three
full
turns to give a nominal setting.

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