Mailing List lml@lancaironline.net Message #70139
From: John Cooper <snopercod@comporium.net>
Sender: <marv@lancaironline.net>
Subject: Oildyne Hydraulic Pump Rebuild?
Date: Fri, 06 Jun 2014 16:06:48 -0400
To: <lml@lancaironline.net>
I've spent the last couple weeks adjusting the up and down stops on the hydraulic cylinders. Now that the new spool pieces have arrived from Lancair, that task is almost complete; But now my hydraulic pump is acting weird. (It's almost 30 years old, so that's not surprising.) Today while I was cycling the gear up and down, sometimes the gear wouldn't come down with the pump running in the "down" direction. Not good. I don't know whether that was just due to air in the system, or something sticking in the pump itself. Obviously, I need to buy the pressure gauges from Grainger so I know what's going on, but should I also plan on going through Chris Zaveston's procedure and spend a month rebuilding this pig? Where would I even obtain the rebuild kit?

I seriously regret that I installed my pump behind the baggage bulkhead. What was I thinking??? If I have to rebuild it, I'm moving it to the front side along with the pressure switches.

Yet another detour on the road to my first flight...

--John
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