CHAPTER 79
PAGE 6
MAINTENANCE MANUAL EXTRA 330LX
PAGE DATE: 1. March 2011
79-01-01 Valve Balls
Reseating
Marginal oil loss through the oil 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 Operation and Installation Manual (see
chapter 1).
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