Sticky rudder valve

The rudder valve consists of two mating sections. Holes and ports distribute vacuum to the turning motor as a function of the position of the two sections relative to each other. .

We removed our Esp’s rudder valve, cleaned and lubricated it.  See the “Rudder Valve” section under “Restoration Hints” for details.  What a difference.  The valve sections were gummy, and now easily move smoothly.   

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