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Date: Wed, 22 Nov 2006 21:57:57 -0500
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From: Earl Schroeder <earleschroeder@yahoo.com>
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Subject: Re: [LML] Re: Electrical /Hydraulic system questionslancair235/320
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Another data point:  my pump is also the 'early' version.  (kit nr 233 a 
235 model)  In the beginning... I returned the pump to Oildyne for their 
blessing.  I also had an in depth discussion with their rep [I 
understand he is no longer there] who said this pump not designed for 
use in this application.  That was not what I wanted to hear.  However, 
I have not had any difficulties to date.  Where is this serial number 
located?  If it is where I can see it from above, I'll attempt to report it.
Earl N233EE

Sky2high@aol.com wrote:
> Further to all this hydraulic pump stuff:
>  
> My original pump was circa 1989 and it had the small circular 
> reservoir.  The fill/measurement method was thru a dipstick hole in 
> the pump body where the dipstick was sealed with an o-ring.  The vent 
> recommendation was to back the dipstick off by 1 to 1.5 turns (See the 
> Lancair 235/320/360 POH).  If the reservoir was filled to the full 
> mark, enough fluid would be expelled thru the vent to create a mess.  
> One solution was to create a standpipe vent and the other was to only 
> fill the reservoir to the lo mark.   
>  
> When I installed a newer version of the pump a few years ago, I 
> removed the larger reservoir and attached the smaller one to the new 
> pump so that I didn't have to re-plumb the pump connections.  I also 
> drilled a wee hole at an angle thru the dipstick head so that it could 
> be snugged down and still provide the vent function.  I do not 
> overfill the reservoir because it is usually topped up whilst the gear 
> is extended (i.e. the rods are outside the actuators) - remember that 
> the reservoir will have to hold more fluid when the gear is retracted.
>  
> Chris,
>  
> I don't know the ID/model of my currently installed pump but I will 
> get that info the next time I have to crawl in the back and look at 
> the  #@@$#%$$% <mailto:#@@$#%$$%> pump.
>  
> Scott Krueger AKA Grayhawk
> Lancair N92EX IO320 SB 89/96
> Aurora, IL (KARR)
>
> A man has got to know his limitations.
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