Sears 005734-0 Benutzerhandbuch

Important:  If feeling uncomfortable about doing this procedure or the 
proper tools are not available, please take the generator to the nearest 
service center to have the valve clearance adjusted. This is a very 
important step to insure longest life for the engine.

Make sure the engine is at room temperature (60° - 80° F).

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Make sure that the spark plug wire is removed from the spark plug and 

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out of the way.

Remove the four screws attaching the valve cover.

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Make sure the piston is at Top Dead Center (TDC) of its compression 

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stroke (both valves closed). To get the piston at TDC, remove the 
intake screen at the front of the engine to gain access to the flywheel 
nut. Use a large socket and socket wrench to rotate the nut and hence 
the engine in a clockwise direction while watching the piston through 
the spark plug hole. The piston should move up and down. The piston 
is at TDC when it is up as high as it can go.

Insert a 0.002 - 0.004 inch (0.05 - 0.1mm) feeler gauge between the 

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rocker arm and valve stem. Correct clearance is when a slight drag is 
felt when sliding the gauge back and forth. If the clearance is either 
excessively loose or tight the rocker arms will need adjusting.

Loosen the rocker jam nut (Figure 21). Use an 10mm allen wrench to 

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turn the pivot ball stud while checking clearance between the rocker 
arm and the valve stem with a feeler gauge. Correct clearance is 
0.002-0.004 inch (0.05-0.1 mm).

When valve clearance is correct, hold the pivot ball stud in place with the 
allen wrench and tighten the rocker arm jam nut. Tighten the jam nut to 
174 in/lbs. torque. After tightening the jam nut, recheck valve clearance to 
make sure it did not change.

Install new valve cover gasket.

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Re-attach the valve cover.

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Re-attach the spark plug wire to the spark plug.

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Repeat the process for the other cylinder.

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The generator should be started at least once every seven days and be 
allowed to run at least 30 minutes. If this cannot be done and the unit must 
be stored for more than 30 days, use the following information as a guide 
to prepare it for storage.

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It is important to prevent gum deposits from forming in essential fuel 
system parts such as the carburetor, fuel hose or tank during storage. 
Also, experience indicates that alcohol-blended fuels (called gasohol, 
ethanol or methanol) can attract moisture, which leads to separation and 
formation of acids during storage. Acidic gas can damage the fuel system 
of an engine while in storage.

To avoid engine problems, the fuel system should be emptied before 
storage of 30 days or longer, as follows:

Remove all gasoline from the fuel tank.

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Start and run engine until engine stops from lack of fuel.

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While engine is still warm, drain oil from crankcase. Refill with 

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recommended grade.

Remove spark plugs and pour about 1/2 ounce (15 ml) of engine oil 

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into the cylinders. Cover spark plug hole with rag. Press the “Start” 
button and allow engine to crank for 2 seconds. Then press the “Stop” 
button.