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Dan Schaefer,

Your problem sounds like the problem I had last year.  The cause turned out
to be the right main gear retract cylinder leaking.  I would definitely
follow Marv's suggestion and isolate the problem to a particular part of the
system before you go pulling out you pump.  It could be any one of the three
gear retract cylinders or even one of your gear door retract cylinders but
probably less likely.  All you have to do is get a couple of flanged plugs
and plug off the lines going to a cylinder, one at a time.  Turn your system
back on and if the cycling stops, you have found the problem.

Bob Jude
N65BJ

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Please send your photos and drawings to marvkaye@olsusa.com.