CARBURETOR ADJUSTMENTS
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| speed adjusting screw |
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A | CAUTION! |
| During | operation |
| do not | run |
| the engine | in | confined | areas | such | as |
storage building any longer than is necessary for immediate moving of the machine
outside into the air. Exhaust gases are toxic. Opening doors and windows may not provide adequate ventilation.
The carburetor is adjusted at the factory. Do not make adjustments unless absolutely necessary. Fac- tory settings are correct for normal operating conditions. I f adjustments are necessary, proceed as follows:
15
The
Start the engine and allow it to warm up at 3000 RPM. Turn needle valve in until engine misses (lean mixture) then turn it out past smooth operating point until engine runs unevenly (rich mixture).
Turn needle valve to the
Recommended Fuel
This engine is designed to operate on leaded gasoline with a 93 minimum octane rating or on unleaded or low lead gasoline with a 91 minimum octane rating (Research Method).
use of unleaded gasoline will lengthen spark plug and valve life, maintain engine performance longer, and reduce rust and corrosion of enginewhile
stored.
CAUTION! Handle gasoline with care, as it is highly flammable. A. Use approved
gasoline container. B. Never remove the fuel tank cap or fill tank when the engine is
running, is hot, or indoors. Also, do not smoke when working around flammable fuel. Wipe up spilled gasoline. C. Replace fuel tank cap securely.
battery is located under the hood and in back of the fuel tank.
A charging circuit built into the engine provides a charging circuit output from 2 amperes at 2400 APM to 3 amperes at 3600 APM and uses lessthan
.2 horsepower.
Check the battery level at least once a month.
Keeping the battery fully charged not only adds to
its life but makes it available for instant use whenneede