Removing
1. The check valve is located in the fuel tank funnel and is accessible from inside the right wing rear bend.
2. To remove the check valve, it is necessary to remove it from the top of the fuel tank funnel neck and remove the clip from it.
3. If the valve is in a vertical position, it should be open, but if it is tilted at an angle of 45°, it should be closed. If the valve is defective, it must be replaced with a new one.
4. The valve is installed in the reverse order of removal.
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