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Hank F.
Hank F., Technician
Category: Small Engine
Satisfied Customers: 15267
Experience:  Certified on Onan and Generac generators
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How to adjust the valves on a 12kw home generator

Customer Question

how to adjust the valves on a 12kw home generator
Submitted: 2 years ago.
Category: Small Engine
Expert:  Hank F. replied 2 years ago.
My name is ***** ***** I am going to assist you with this.
Remove the valve cover.
Turn the engine to TDC, so bath valves are closed.
Select the appropriate size feeler guage.
Loosen the rocker arm lock nut.
Insert the appropriate feeler guage between the rocker and push rod.
Adjust rocker adjustment nut until a slight drag is felt on the feeler guage.
Tighten the lock nut.
Adjust both valves, then do the other cylinder, if it is a twin.