CHAPTER 79
PAGE 6
MAINTENANCE MANUAL EXTRA 300/SC
PAGE DATE: 16. June 2008
79-00-01 Valve Balls
Reseating
Marginal oil loss of valve may result from nicks in the valve
seats which cause leakage when the valve should be closed.
Such nicks can be caused by mishandling or by small chips of
metal being caught between the ball and the seat as the valve
operates during initial run-in of a new or overhauled engine.
For more information of the valves refer to Lycoming
Operaton and Installation Manual (see Chapter 01).
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