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REPAIRS AND ADJUSTMENTS
HOW TO/_DJUST
THE CARBURETOR
The carburetor was adjusted at the factory for most conditions.
Differences in fuel, temperature and work load will require a adjust-
ment follows.
1.
Remove the side panel. See the instructions
on "How To
Remove AThe Side Panel".
2.
Turn the needle valve clockwise until it just closes. Turn the
idle valve until it just closes,
CAUTION: If you turn the valves until they are tight, you
can damage the valves,
3.
Turn the needle valve 1-!/2 turns counterclockwise. Turn
the idle valve 1-1/4 turns counterclockwise. This first adjust-
ment will permit the engine to start and get warm so that a
last adjustment can be done.
4.
Move the throttle
control to the FAST position. Turn the
needle valve clockwise until .the engine starts missing (lean
mixture). Then turn the needle valve counterclockwise
past
the smooth operating position (rich mixture).
5.
Turn the needle valve to a position between rich and lean so
that the engine can run smooth. (3400 + 100 RPM).
6.
Adjust the RPM. Move the throttle
control to the SLOW
position.Turn the idle speed screw until afast idle is obtained
(1750__+ 200 RPM), Turn the idle valve clockwise (lean) and
counterclockwise (rich) until the engine idles smoothly,
Then, turn the idle speed screw so that the engine idles at
1750 + 200 RPM).
7.
Move the throttle controt to the FAST position, If the engine
does not accelerate correctly, adjust the carburetor to a
rich mixture.
HOW
TO ADJUST
THE THROTTLE
CONTROL
1,
Move
the throttle
control to the FAST position•
2.
Loosen
screw
(C) that holds the throttle
cable in position.
3.
Pull the throttle
cable
up until
the lever
(E) touches
link
(F) as shown•
4•
Tighten
screw
(C). Move the throttle
control
to the STOP
position.
HOW
TO REPLACE THE LIGHT BULB
1.
Remove the two screws from the headlight assembly.
2•
Remove the headlight assembly. Press in the sides of the
light socket. Remove the light socket from the bezel. Turn the
light bulb counterclockwise
and remove the bulb.
3.
install a new light bulb.
4.
Fasten the headlight
assembly with the two screws as
shown.
F-88516
/dJe Valve
(Located under
the,
)
Idle Speed
Screw
Needle Valve
D-524t
Throttle Contrrot
Cable
_
FAST POSITRON
F
D-524t
L
.....
/
\
Screws
Headlight Assembly
Console
Light Socket
D-4604
29
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