Starting a Flooded Engine

If the carburetor choke is closed (choke control fully extended) and after repeated attempts, the engine fails to start, the engine may be flooded with fuel. The fol- lowing steps are recommended to clear a flooded engine.

1.Move the “ON-OFF” ignition control switch to the “OFF” position.

WARNING!

The ignition switch must be in the “OFF” position to prevent the chance of igniting fuel and/or fuel vapors escaping from the engine during this procedure.

2.Push the choke control completely in to open the choke.

3.Remove the spark plug access cover and disconnect the plug wire. Remove the spark plug.

4.Inspect the spark plug for damage or excessive wear and replace if neces- sary. If the spark plug electrode is fuel soaked, or coated with carbon depos- its, clean and set the plug gap. Refer to the Specifications section for spark plug information.

WARNING!

Keep clear of the spark plug opening! Any excess fuel in the engine will be ejected through the spark plug opening during starter operation.

5.With the spark plug removed, the choke control pushed in and the igni- tion control in the “OFF” position, clear any excess fuel in the engine by repeat- edly pulling the starter until no evi- dence of fuel is seen escaping from the spark plug opening.

Remove the Spark

Plug

Pull the engine over

6.Replace the spark plug and install the spark plug lead and access cover.

7.Refer to the Engine Start and Stop sec- tion and follow the instructions for starting a warm engine.

8.If the engine still fails to start, refer to the Troubleshooting section.

Stopping the Engine

Adjusting Engine Idle

WARNING!

The saw chain must never rotate at engine idle speed.

Idle Speed Adjustment:

Use a screwdriver to slowly turn the idle speed adjusting screw clockwise or coun- ter-clockwise until the engine idles at 2,800 min-1.

1.Move the “ON-OFF” ignition control switch to the off position. If the saw has just been used, allow the engine to idle for 1 to 2 minutes to stabilize engine operating temperature before stopping the engine.

Idle Adjust (Clockwise

to Increase)

CAUTION!

■■Never run the engine at full throt- tle with no-load. This may cause engine seizure.

■■Never operate this saw above 13,500 min-1. This may cause engine seizure.

NOTE:

Low speed mixture and high speed mix- ture for this chainsaw are factory set and can not be adjusted in the field.

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Shindaiwa 502s, 69033-94310 Starting a Flooded Engine, Stopping the Engine Adjusting Engine Idle, Idle Speed Adjustment

69033-94310, 502s specifications

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