X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml Date: Thu, 23 Nov 2006 09:26:39 -0500 Message-ID: X-Original-Return-Path: Received: from web54315.mail.yahoo.com ([206.190.49.125] verified) by logan.com (CommuniGate Pro SMTP 5.1.2) with SMTP id 1595566 for lml@lancaironline.net; Wed, 22 Nov 2006 23:14:21 -0500 Received-SPF: none receiver=logan.com; client-ip=206.190.49.125; envelope-from=randylsnarr@yahoo.com Received: (qmail 70351 invoked by uid 60001); 23 Nov 2006 04:14:01 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=Uv1ltDi7K/HS22pXOA0jcFmnrN91pozL5+ZWZf+39WKWJw7inede6MWBfdQq6x58KauzBiemMS5PW/YWHPwikJltfyy1+2uXbnxBtPHCLTSRTf7ws4sOAHoQ2q4ACAtiWhBOd3lvBcxD8AOCnyJesjzF4Ohs3WR/JBKa252z9VI= ; X-Original-Message-ID: <20061123041401.70349.qmail@web54315.mail.yahoo.com> Received: from [67.50.40.154] by web54315.mail.yahoo.com via HTTP; Wed, 22 Nov 2006 20:14:01 PST X-Original-Date: Wed, 22 Nov 2006 20:14:01 -0800 (PST) From: randy snarr Subject: Re: [LML] Re: Electrical /Hydraulic system questionslancair235/320 X-Original-To: Lancair Mailing List In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-458736055-1164255241=:68803" Content-Transfer-Encoding: 8bit --0-458736055-1164255241=:68803 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Scott, Why did you replace your pump in the first place. If there was a problem did the new pump fix it? Randy, 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 When I installed a newer version of the pump a few years ago, I removed the larger reservoir and attached the smaller one to the new pump so that I didn't have to re-plumb the pump connections.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 #@@$#%$$% pump. Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) A man has got to know his limitations. --------------------------------- Cheap Talk? Check out Yahoo! Messenger's low PC-to-Phone call rates. --0-458736055-1164255241=:68803 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Scott,
Why did you replace your pump in the first place.
If there was a problem did the new pump fix it?

Randy,

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  #@@$#%$$% 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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