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SOLENOID, ANTI-DIESELING
(45 435 01)
BRACKET, SOLENOID---------
,
(45 126 05)
~
~THROTTLE
LINKAGE
*~:
Make sure idle speed
sare~
on aarburetor has been
turned counterclockwise until
it
no longer contacts the
throttle bracket--this allows the throttle plate to close fully.
Figure 6-31. Anti-Dieseling Solenoid.
Automatic Chokes
Thermostatic Type
The automatic choke is a heat sensitive thermos-
tatic unit. At room temperature, choke lever will
be set in a vertical position. If engine should fail to
start when cranked, adjust choke lever by hand to
determine if choke setting is too lean or too rich.
Once this has been established, adjustment can
be made to remedy situation.
Adjustment
1 . Loosen adjustment lock screw on choke body.
This allows the position of adjustment to be
changed.
2.
Moving adjustment bracket downward will in-
crease the amount of choking. Upward move-
ment will result in less choking.
3.
After adjustment is made, tighten adjustment
lock screw.
Electric-Thermostatic Type
Remove air cleaner from carburetor to observe
position of choke plate. Choke adjustment must be
6.20
made on cold engine. If starting in extreme cold,
choke should be in full closed position before en-
gine is started. A lesser degree of choking is
needed in milder temperatures.
Adjustment
1 . Move choke arm until hole in brass shaft lines
up with slot in bearings.
2.
Insert #43 drill (.089) and push all the way
down to engine manifold to engage in notch in
base of choke unit.
3.
Loosen clamp bolt choke lever, push arm up-
ward to move choke plate toward closed posi-
tion. After desired position is attained, tighten
clamp bolt then remove drill.
4.
After replacing air cleaner, check for evidence
of binding in linkage, adjust as needed. Be
sure chokes are fully open when engine is at
normal operating temperature.
THERMO-ELECTRIC AUTOMATIC CHOKES
Service
Before working on or near the carburetor or choke
area take these PRECAUTIONS:
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