| Malfunction (symptoms) |
Probable Causes |
Corrective Action (Remedies) |
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V-8 carb adjustment |
| Engine hard to start |
Automatic Choke (V-8 only) not actuated properly by operator |
Instruct operator to depress accelerator pedal slightly before cranking with starter |
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"Adjust. For V-8 engine [Remove carb. Block choke valve full open. With Screwdriver turn counter-clock-wise. Turn adjustment plug |
until air valve just contacts the stop. Then screw plug in 1 - 1/4 turn more. Hold plug in position (with screwdriver |
then tighten lockscrew against plug. Manually check that valve moves freely. " |
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Carbuertor air cleaner filter excessively dirty |
Clean; or replace. |
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Automatic choke valve inoperative because linkage is sticking. |
Clean linkage. |
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"Fuel pump not delivering sufficent fuel |
due to clogged vent in fuel tank cap." |
"Remove and inspect cap; clean as required |
then reinstall. Ensure that rubber splash-apron grommet does not contact cap base |
so as to obstruct air venting." |
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Automatic choke (V-8 only) vacuum hose leaking; (loose or disconnected) |
Connect or tighten as necessary |
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Water in fuel |
Siphon fuel from about 1/32 inch above bottom of tank into glass jar to partially fill jar; inspect fluid in jar for layer of water below fuel. If water is present repeat procedure until tank fluid is free of water. |
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| Engine operation is sluggish |
Carburetor air cleaner filter excessively dirty |
Clean; or replace. |
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Fuel pump output pressure low |
Replace pump |
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Fuel filter clogged |
Replace. |
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Rocker-arm cover (Crank case) vent valve (V-8 engine only) vacuum hose not attached to carburetor |
Connect hose to carburetor |
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| Rough or too-slow engine idling |
Idle jets incorrectly adjusted |
Adjust. *SEE NOTES* |
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