The ABCs of Carburetion
UM-900 (1959)
Page 14 of 19
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TROUBLE SHOOTING
TIPS
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It must be remembered
that carburetion depends on the rest of the engine, such as ignition,
compression, timing, etc. If, after everything else has been checked,
trouble remains which might be the carburetor, check the following
points:
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GENERAL CHECK POINTS
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1.
Is the engine manifold heat valve
free? (rough hot idle,
stalling)
2. Are there
any vacuum leaks in the manifold or carburetor? (rough idle, hard
starting)
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3. Do gaskets
indicate a good seal? (air or fuel leaks)
4. Are all
screws and mounting nuts tightened evenly? (distortion, leaks)
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5. Are shaft holes excessively worn? (poor
operation, leaks, sticking)
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14
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