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... and I step outside And I take a deep breath, and I get real high, and I, scream
from the top of my lungs, "What's going on?" And I say, "Hey yeah yeah hey, hey ...
... and I step outside And I take a deep breath, and I get real high, and I, scream
from the top of my lungs, "What's going on?" And I say, "Hey yeah yeah hey, hey ...
yeah. Choke Valve Chokes perform the fuel mixture adjustments necessary
to start a cold engine. When the fuel-air mixture is too ...
yeah right. Rey Mysterio may not be tall in stature, but he now has a
?Big Time? WrestleMania moment that is one for the ages. ...
yeah. In the The Lord of the Rings, by J. Tolken, there are many things that make
the story symbolic of a Christian influence. The constant emphasis of good vs. ...
Submitted by shotrod80 on June 17, 2006
Category: Book Reports
Words: 365 | Pages: 2
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Choke Valve
Chokes perform the fuel mixture adjustments necessary to start a cold engine. When the fuel-air mixture is too cold, the engine won't start properly, or will stall out periodically. The choke when engaged (closed) the choke causes the fuel air mixture to be increased, or "enriched". The choke is a special valve placed at the mouth of the carburetor so that it partially blocks off the entering air. When the choke plate closes, the vacuum below it increases, drawing more fuel from the fuel bowl. The rich fuel mixture burns even at lower temperatures, allowing the engine to warm up.
The manual choke is a knob on the dash, usually the push-pull type, which extends from the choke on the carburetor to the instrument panel. The driver closes the choke when starting the engine. The main thing to know about a manual choke is to push it back in when the engine has reached normal operating temperature. The trouble with the manual choke is that the driver often forgets to open it fully. This results in a rich fuel mixture which causes carbon to form in the combustion chambers and on the spark plugs. To correct this problem, the automatic choke was developed.
The automatic choke relies on engine heat. The choke valve is run by a thermostat which is controlled by exhaust heat. When the engine is cold, the valve will be closed for starting. As the engine warms, the exhaust heat will gradually open the choke valve. An automatic choke depends on a thermostatic coil spring unwinding as heat is supplied. As the engine warms up, manifold heat is transmitted to the choke housing. The heat causes the bimetal spring to relax, opening the valve.
An electric heating coil in the automatic choke shortens the length of time that the choke valve is closed. As the spring unwinds, it causes the choke valve in the carburetor air horn to open. This lets more air pass into the carburetor. The coil is mounted in a well in the...
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