Engine Throttle Adjustment Test | Lincoln Electric SVM107-B manual

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F-30

ENGINE THROTTLE ADJUSTMENT TEST (continued)

Blower Paddle

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This test can be conducted by any one of four methods.

1.With the 5/16” nut driver, remove the 6 sheet metal screws from the case top.

2.Remove the rubber gasket (cover seal) from the lift bail.

3.Remove the fuel cap. The rubber gasket for the fill tube will come off with the case top.

4.Remove the case top, then replace the fuel cap.

5.Conduct this procedure with the gasoline engine OFF.

6.Remove the spark plug wires to prevent accidental engine kickback or starting.

7.With the black or red marking pencil, place a mark on one of the blower paddles. See Figure F.7 for location.

8.Connect the strobe-tach according the manufacturer’s instructions.

9.Reconnect the spark plug wires and start the engine. Direct the strobe-tach light on the blower paddle and synchronize it to the rotating mark.

10.With the machine at HIGH IDLE the tach should read between 3650 and 3750 RPM.

With the machine at LOW IDLE the tach should read between 2150 and 2250 RPM.