---------------------------------------------------------- Yak-List Digest Archive --- Total Messages Posted Tue 08/29/17: 15 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 12:25 AM - Re: Yak-52 snot valve needed please (John B) 2. 04:38 AM - Re: Yak-52 snot valve needed please (A. Dennis Savarese) 3. 05:09 AM - Re: Yak-52 snot valve needed please (Hank Gibson) 4. 06:06 AM - Re: Housai Oil Pressure (Harv) 5. 06:22 AM - Re: Re: Housai Oil Pressure (George S. Coy) 6. 07:12 AM - Re: Yak-52 snot valve needed please (Rico Jaeger) 7. 10:18 AM - Re: Re: Housai Oil Pressure (Walter Lannon) 8. 10:30 AM - Re: Snot valve parts (Jill Gernetzke) 9. 10:36 AM - Re: gear retraction problem (Harv) 10. 10:57 AM - Re: Housai Oil Pressure (Harv) 11. 02:18 PM - Re: Yak-52 snot valve needed please (Looigi) 12. 04:23 PM - Re: gear retraction problem (jay-dub) 13. 04:39 PM - Re: Re: gear retraction problem (A. Dennis Savarese) 14. 06:25 PM - Re: Re: Housai Oil Pressure (Walter Lannon) 15. 06:57 PM - CJ wiring (Frank Stelwagon) ________________________________ Message 1 _____________________________________ Time: 12:25:19 AM PST US From: John B Subject: Re: Yak-List: Yak-52 snot valve needed please What fittings welded in to the snot valve? Male or female? Pipe? Thank you. JB On Mon, Aug 28, 2017 at 10:10 PM, Looigi wrote: > > Hello All, > > The boys have damaged the seat on our Yak-52 compressor drain (snot) > valve. The valve thread is a bit loose too. > > Would anyone have a spare serviceable one lying in the bottom of their > tool box please? > > Alternatively, has anyone come up with a fix? > > Many thanks > Chris > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=472289#472289 > > ________________________________ Message 2 _____________________________________ Time: 04:38:49 AM PST US Subject: Re: Yak-List: Yak-52 snot valve needed please From: "A. Dennis Savarese" Looigi, Contact Stan Mehrhoff in Missouri. He's parting out his Yak 52. He may still have one. I'm copying Stan on this email. n188rv@yahoo.com Dennis A. Dennis Savarese 334-546-8182 (mobile) www.yak-52.com Skype - Yakguy1 On 8/28/2017 11:10 PM, Looigi wrote: > > Hello All, > > The boys have damaged the seat on our Yak-52 compressor drain (snot) valve. The valve thread is a bit loose too. > > Would anyone have a spare serviceable one lying in the bottom of their tool box please? > > Alternatively, has anyone come up with a fix? > > Many thanks > Chris > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=472289#472289 > > ________________________________ Message 3 _____________________________________ Time: 05:09:28 AM PST US From: Hank Gibson Subject: Re: Yak-List: Yak-52 snot valve needed please Looigi- Highly recommend replacing lower ends (the valve part) of your 2 snot valves with a SS swagelok valve which will never rust and is a easy and terrific m od to do. Just another way to protect your pneumatic system upstream of the rest of your components. Contact me off list for the PP presentation which lays the procedure out. Posted to the list before and the RP Facebook page .. Hoot Sent from my iPhone > On Aug 29, 2017, at 7:35 AM, A. Dennis Savarese wrote: > > Looigi, > Contact Stan Mehrhoff in Missouri. He's parting out his Yak 52. He may s till have one. I'm copying Stan on this email. > n188rv@yahoo.com > > Dennis > A. Dennis Savarese > 334-546-8182 (mobile) > www.yak-52.com > Skype - Yakguy1 >> On 8/28/2017 11:10 PM, Looigi wrote: >> >> Hello All, >> >> The boys have damaged the seat on our Yak-52 compressor drain (snot) valv e. The valve thread is a bit loose too. >> >> Would anyone have a spare serviceable one lying in the bottom of their to ol box please? >> >> Alternatively, has anyone come up with a fix? >> >> Many thanks >> Chris >> >> >> >> >> Read this topic online here: >> >> http://forums.matronics.com/viewtopic.php?p=472289#472289 >> >> >> >> >> >> >> >> >> >> > ========================== ========================== ========================== ========================== ========================== ========================== ========================== ============ ________________________________ Message 4 _____________________________________ Time: 06:06:57 AM PST US Subject: Yak-List: Re: Housai Oil Pressure From: "Harv" Tom Your CJ maybe like mine and the oil pressure senders are not located on the rear of the engine firewall but the secondary frame wall/cockpit area one. The pic that Walt posted shows the approximate type and shape of the sender's but those I believe are the fuel ones and the oil senders (Transducers if you prefer) have a brown case covers. On my aircraft they are located in the front cockpit and bolt through the panel (you may call is a secondary firewall or forward frame) just above the STB rudder pedal area. Now its interesting you mention the issue you are having as my CJ oil pressure went exactly the same in the front cockpit and after alot of messing about I traced it to a faulty sender (swapping cannon plugs identified where the issue lay) which when opened up looked like it had been full of water??. I managed to rinse the muck out of it and clean up the delicate internals and it now works but I had to fabricate a new spring to return the potentiometer arm to zero. Hope this helps. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=472300#472300 ________________________________ Message 5 _____________________________________ Time: 06:22:36 AM PST US From: "George S. Coy" Subject: RE: Yak-List: Re: Housai Oil Pressure We have spare transducers if needed. George Coy -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Harv Sent: Tuesday, August 29, 2017 9:06 AM Subject: Yak-List: Re: Housai Oil Pressure Tom Your CJ maybe like mine and the oil pressure senders are not located on the rear of the engine firewall but the secondary frame wall/cockpit area one. The pic that Walt posted shows the approximate type and shape of the sender's but those I believe are the fuel ones and the oil senders (Transducers if you prefer) have a brown case covers. On my aircraft they are located in the front cockpit and bolt through the panel (you may call is a secondary firewall or forward frame) just above the STB rudder pedal area. Now its interesting you mention the issue you are having as my CJ oil pressure went exactly the same in the front cockpit and after alot of messing about I traced it to a faulty sender (swapping cannon plugs identified where the issue lay) which when opened up looked like it had been full of water??. I managed to rinse the muck out of it and clean up the delicate internals and it now works but I had to fabricate a new spring to return the potentiometer arm to zero. Hope this helps. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=472300#472300 ________________________________ Message 6 _____________________________________ Time: 07:12:10 AM PST US From: Rico Jaeger Subject: Re: Yak-List: Yak-52 snot valve needed please Dennis, May I please have Stan's email? I'm looking for some items, too. Thanks!! Rico Jaeger 915 S. 11th Ave. Wausau, WI. 54401 715.529.7426 // 1969 Cessna 150J ^/---//-X N61333 // Hangar #35 / AUW // 1992 Yakovlev Yak 52 ^/---//-X N21YK // Hangar #21 / AUW ________________________________ From: owner-yak-list-server@matronics.com on behalf of A. Dennis Savarese Sent: Tuesday, August 29, 2017 6:35:58 AM Subject: Re: Yak-List: Yak-52 snot valve needed please Looigi, Contact Stan Mehrhoff in Missouri. He's parting out his Yak 52. He may st ill have one. I'm copying Stan on this email. n188rv@yahoo.com Dennis A. Dennis Savarese 334-546-8182 (mobile) www.yak-52.com Skype - Yakguy1 On 8/28/2017 11:10 PM, Looigi wrote: rton@gmail.com> Hello All, The boys have damaged the seat on our Yak-52 compressor drain (snot) valve. The valve thread is a bit loose too. Would anyone have a spare serviceable one lying in the bottom of their tool box please? Alternatively, has anyone come up with a fix? Many thanks Chris Read this topic online here: http://forums.matronics.com/viewtopic.php?p=472289#472289 ________________________________ Message 7 _____________________________________ Time: 10:18:19 AM PST US From: "Walter Lannon" Subject: Re: Yak-List: Re: Housai Oil Pressure Harv; Did you read the text? Or do you just look at pictures? Walt -----Original Message----- From: Harv Sent: Tuesday, August 29, 2017 6:06 AM Subject: Yak-List: Re: Housai Oil Pressure Tom Your CJ maybe like mine and the oil pressure senders are not located on the rear of the engine firewall but the secondary frame wall/cockpit area one. The pic that Walt posted shows the approximate type and shape of the sender's but those I believe are the fuel ones and the oil senders (Transducers if you prefer) have a brown case covers. On my aircraft they are located in the front cockpit and bolt through the panel (you may call is a secondary firewall or forward frame) just above the STB rudder pedal area. Now its interesting you mention the issue you are having as my CJ oil pressure went exactly the same in the front cockpit and after alot of messing about I traced it to a faulty sender (swapping cannon plugs identified where the issue lay) which when opened up looked like it had been full of water??. I managed to rinse the muck out of it and clean up the delicate internals and it now works but I had to fabricate a new spring to return the potentiometer arm to zero. Hope this helps. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=472300#472300 --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus ________________________________ Message 8 _____________________________________ Time: 10:30:36 AM PST US From: "Jill Gernetzke" Subject: Yak-List: Re: Snot valve parts Chris, Contact me offlist. We manufacture the valve and brass nut for the snot valve. Jill Gernetzke M-14P, Inc. 4905 Flightline Drive Kingman, AZ 86401 928-681-4400 www.m-14p.com ________________________________ Message 9 _____________________________________ Time: 10:36:32 AM PST US Subject: Yak-List: Re: gear retraction problem From: "Harv" Bruno I have the sister of your aircraft and of course served together in the PLA and also have the restricted rear gear and flap function as its a mandatory modification required by the UK CAA. I would remove the rear cockpit gear restrictor plate and do the test Dennis has given as the will test both gear handle valves. It's good practice to excercise the rear cockpit one periodically, refit handle restrictor plate after tests. Doug sells kits to rebuild the diverter valves and I did all mine when we brought the a/c onto the UK register. There was corrosion in about three of them so they were replaced and upgraded. Good luck Read this topic online here: http://forums.matronics.com/viewtopic.php?p=472319#472319 ________________________________ Message 10 ____________________________________ Time: 10:57:30 AM PST US Subject: Yak-List: Re: Housai Oil Pressure From: "Harv" Yes I did but making doubly sure the op is without doubt about colours and location of senders as there seems to be some confusion earlier in this post. Moreover hopefully my matching symptoms/mode of failure will provide a steer as to the possible issue he's having Read this topic online here: http://forums.matronics.com/viewtopic.php?p=472320#472320 ________________________________ Message 11 ____________________________________ Time: 02:18:51 PM PST US Subject: Yak-List: Re: Yak-52 snot valve needed please From: "Looigi" Thank you guys and girls for the prompt and most helpfull replies. Here is a picture of the valve just for information sake. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=472331#472331 Attachments: http://forums.matronics.com//files/img_0907_183.jpg http://forums.matronics.com//files/img_0908_185.jpg ________________________________ Message 12 ____________________________________ Time: 04:23:44 PM PST US Subject: Yak-List: Re: gear retraction problem From: "jay-dub" We did that routinely for some time. In fact our rear selector was not secured. It is not a requirement in the Yak-52 (in the U.K.) so we figured we'd argue the toss if we were pulled up. Nevertheless, it leaked so we have now removed the rear selector entirely. One source of leakage solved on a part we do not use anyway. -------- CJ and Yak-52 owner Read this topic online here: http://forums.matronics.com/viewtopic.php?p=472335#472335 ________________________________ Message 13 ____________________________________ Time: 04:39:49 PM PST US Subject: Re: Yak-List: Re: gear retraction problem From: "A. Dennis Savarese" Best thing you ever did! Should do the rear flap selector too. Just two additional unnecessary points of failure. A. Dennis Savarese 334-546-8182 (mobile) www.yak-52.com Skype - Yakguy1 On 8/29/2017 7:23 PM, jay-dub wrote: > > We did that routinely for some time. In fact our rear selector was not secured. It is not a requirement in the Yak-52 (in the U.K.) so we figured we'd argue the toss if we were pulled up. Nevertheless, it leaked so we have now removed the rear selector entirely. One source of leakage solved on a part we do not use anyway. > > -------- > CJ and Yak-52 owner > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=472335#472335 > > ________________________________ Message 14 ____________________________________ Time: 06:25:59 PM PST US From: "Walter Lannon" Subject: Re: Yak-List: Re: Housai Oil Pressure A simple apology would have been in order but you don't appear to understand that either. Walt -----Original Message----- From: Harv Sent: Tuesday, August 29, 2017 10:56 AM Subject: Yak-List: Re: Housai Oil Pressure Yes I did but making doubly sure the op is without doubt about colours and location of senders as there seems to be some confusion earlier in this post. Moreover hopefully my matching symptoms/mode of failure will provide a steer as to the possible issue he's having Read this topic online here: http://forums.matronics.com/viewtopic.php?p=472320#472320 --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus ________________________________ Message 15 ____________________________________ Time: 06:57:49 PM PST US From: Frank Stelwagon Subject: Yak-List: CJ wiring It appears that the Chinese weren't always careful when soldering the solder pot style connectors. In some cases they would wind up with creep up the wire making the wire stiff and prone to breaking from vibration. Many techs today have never seen a solder connector, only crimp connectors and wind up with creep when making repairs. If you can find old connectors take them apart and practice using the old pins. Frank. 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