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bmsim
Joined: 02 Jun 2009
Posts: 32
Location: Alabama
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 Posted: Mon Jan 15, 2018 6:46 am Post subject: Re: Brake air leak |
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I think my leaking part may be the brake disabling valve?? It looks like the figure in the lower right, has one line coming in, one line going out, and an open unused male fitting (where the leak originates). It also has the little hangy down part like in the lower right figure. I included a picture of the part in the prior post, but it is kinda blurry.
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dsavarese0812(at)bellsout
Guest
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| Posted: Mon Jan 15, 2018 6:53 am Post subject: Brake air leak |
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If it's coming from the brake disabling solenoid, which by the way I
have never seen in over 18 years, fabricate yourself a bypass by
connecting the "goes-in" line to the "goes-out" lineand remove the brake
disabling solenoid from the aircraft.�� Secure the cannon plug when
removing it from the solenoid.
Dennis
A. Dennis Savarese
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 1/15/2018 9:46 AM, bmsim wrote:
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bmsim
Joined: 02 Jun 2009
Posts: 32
Location: Alabama
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| Posted: Mon Jan 15, 2018 7:38 am Post subject: Re: Brake air leak |
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Thanks Dennis. The disabling valve is already disabled from being active, so I'm guessing that may be why the port is unused (maybe not, I have no idea how it was disabled). It'd be nice if I could just cap that port.
I know it'd be safer to bypass/remove the whole thing. What is the best option for the short piece of line and 2 fittings that I'd need? Is there a source for aluminum line, or would copper or something like that work?? Sorry if this is a dumb question.
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dsavarese0812(at)bellsout
Guest
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| Posted: Mon Jan 15, 2018 11:50 am Post subject: Brake air leak |
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No such thing as a dumb question.
Purchase 6mm 5052 aluminum tubing from McMaster-Carr. http://www.mcmaster.com/
Remove the B-Nuts and tubing from the output of the brake reducing valve and the input to the brake differential valve. Remove the sleeves and the B nuts from the original metric tubing. Fabricate a new 6mm line from the output of the brake reducing valve to the input of the brake differential valve, thus bypassing the brake disabling solenoid, using the metric B-nuts and metric sleeves you just removed from the original metric tubing. Make the new 5052 tubing line long enough so you can bend it as necessary.
Dennis
From: bmsim <bmsim(at)hotmail.com>
To: yak-list(at)matronics.com
Sent: Monday, January 15, 2018 10:41 AM
Subject: Re: Brake air leak
--> Yak-List message posted by: "bmsim" <bmsim(at)hotmail.com (bmsim(at)hotmail.com)>
Thanks Dennis. The disabling valve is already disabled from being active, so I'm guessing that may be why the port is unused (maybe not, I have no idea how it was disabled). It'd be nice if I could just cap that port.
I know it'd be safer to bypass/remove the whole thing. What is the best option for the short piece of line and 2 fittings that I'd need? Is there a source for aluminum line, or would copper or something like that work?? Sorry if this is a dumb question.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=477316#477316
http://www.matronics.nbsp; - MATRONICS WEB FORUMS -http://wiki.matronics.com[/url]
http://www.matron===
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dougsappllc(at)gmail.com
Guest
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| Posted: Mon Jan 15, 2018 11:52 am Post subject: Brake air leak |
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Dennis/Bmsim,An out of the kits to o/h the QS1 (brake pressure reducing valve) at tis time, but do have the complete assy in stock.
Doug
On Mon, Jan 15, 2018 at 5:40 AM, A. Dennis Savarese <dsavarese0812(at)bellsouth.net (dsavarese0812(at)bellsouth.net)> wrote:
| Quote: | Yes, the brake reducing valve is in the upper right of the cut-away drawing I sent you. The other two components are the brake disabling solendoid (lower right) and the brake differential valve (left side).
When you said "no one seems to have kits right now", I'm assuming you did check with Doug Sapp, the CJ parts supplier?
Dennis
From: bmsim <bmsim(at)hotmail.com (bmsim(at)hotmail.com)>
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Sent: Sunday, January 14, 2018 9:02 PM
Subject: Re: Brake air leak
--> Yak-List message posted by: "bmsim" <bmsim(at)hotmail.com (bmsim(at)hotmail.com)>
Thanks Dennis, so this is the reducing valve? You had said the reducing valve was in the upper right of your picture, and this is in the lower right, so just confirming before I buy a replacement (noone seems to have kits right now).
dsavarese0812(at)bellsout wrote:
| Quote: | Remove the brake reducing valve and either replace it or rebuild it. That should fix your problem.
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| Quote: | Sent from my iPhone
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| Quote: | > On Jan 13, 2018, at 12:37 PM, bmsim wrote:
|
| Quote: | >Â I got the floor panel off and the leak is coming from a port on the valve in the right bottom of Dennis' photo. There's a male threaded port on bottom that does not have an air line attached, and when I apply the parking brake, air continuously comes out that port.
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| Quote: | >Â If the reducing valve is in the top right of the pic, what is this valve? Strange that it blows out that open port. I'm assuming it is there for a reason and doesn't need capped.
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| Quote: | >Â Thanks for the help!
|
| Quote: | >Â Read this topic online here:
|
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=477290#477290
Attachments:
http://forums.matronics.com//files/20180113_112200_615.jpg
http://www.matronics.com/Navigsp; Â Â Â Â Â - MATRONICS WEB FORUMS -
http://forum      - NEW MATRONICS LIST WIKI -
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http://www.matronics.com/c
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dsavarese0812(at)bellsout
Guest
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| Posted: Mon Jan 15, 2018 12:13 pm Post subject: Brake air leak |
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Doug,
I think Bmsim said he believes the leak is coming from the brake
disabling solenoid, which is between the brake reducing valve and the
brake differential valve.� If that's where the leak is coming from, it
would be a first for me, since the only way the brake disabling solenoid
dumps air pressure overboard is if it is activated, thus preventing air
pressure from reaching the brake differential valve (QS2 on the CJ).��
If it ends up not being the brake disabling solenoid, then most
definitely he should purchase the new brake reducing valve (QS2) from you.
Dennis
A. Dennis Savarese
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 1/15/2018 2:52 PM, doug sapp wrote:
| Quote: | Dennis/Bmsim,
An out of the kits to o/h the QS1 (brake pressure reducing valve) at
tis time, but do have the complete assy in stock.
Doug
On Mon, Jan 15, 2018 at 5:40 AM, A. Dennis Savarese
<dsavarese0812(at)bellsouth.net <mailto:dsavarese0812(at)bellsouth.net>> wrote:
Yes, the brake reducing valve is in the upper right of the
cut-away drawing I sent you.� The other two components are the
brake disabling solendoid (lower right) and the brake differential
valve (left side).
When you said "no one seems to have kits right now", I'm assuming
you did check with Doug Sapp, the CJ parts supplier?
Dennis
------------------------------------------------------------------------
*From:* bmsim <bmsim(at)hotmail.com <mailto:bmsim(at)hotmail.com>>
*To:* yak-list(at)matronics.com <mailto:yak-list(at)matronics.com>
*Sent:* Sunday, January 14, 2018 9:02 PM
*Subject:* Re: Brake air leak
<mailto:bmsim(at)hotmail.com>>
Thanks Dennis, so this is the reducing valve?� You had said the
reducing valve was in the upper right of your picture, and this is
in the lower right, so just confirming before I buy a replacement
(noone seems to have kits right now).
dsavarese0812(at)bellsout wrote:
> Remove the brake reducing valve and either replace it or rebuild it. That should fix your
problem.
> Dennis
>
> Sent from my iPhone
>
>
> >� On Jan 13, 2018, at 12:37 PM, bmsim� wrote:
> >
> >
> >
> >� I got the floor panel off and the leak is coming from a port on the valve in the
right bottom of Dennis' photo. There's a male threaded port on
bottom that does not have an air line attached, and when I apply
the parking brake, air continuously comes out that port.
> >
> >� If the reducing valve is in the top right of the pic, what is this valve? Strange
that it blows out that open port. I'm assuming it is there for a
reason and doesn't need capped.
> >
> >� Thanks for the help!
> >
> >
> >
> >
> >� Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=477265#477265
<http://forums.matronics.com/viewtopic.php?p=477265#477265>
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=477290#477290
<http://forums.matronics.com/viewtopic.php?p=477290#477290>
Attachments:
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<http://forums.matronics.com//files/20180113_112200_615.jpg>
http://www.matronics.com/Navigsp
<http://www.matronics.com/Navigsp>; � � � � � - MATRONICS WEB FORUMS -
http://forum � - NEW MATRONICS LIST WIKI -
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bmsim
Joined: 02 Jun 2009
Posts: 32
Location: Alabama
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| Posted: Mon Jan 15, 2018 3:27 pm Post subject: Re: Brake air leak |
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That is correct, it is just purging air out that open port.
Thanks for the valuable info Dennis, very much appreciated!
Doug, if it turns out to be something else I'll definitely purchase the replacement from you.
Thank you!
Brandon
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dsavarese0812(at)bellsout
Guest
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| Posted: Mon Jan 15, 2018 5:07 pm Post subject: Brake air leak |
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What you may want to try first is disconnect the cannon plug on the
brake disabling solenoid and see if the problem still exists when you
squeeze the brake handle.� If it does, proceed with the bypass.
Dennis
A. Dennis Savarese
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 1/15/2018 6:27 PM, bmsim wrote:
| Quote: |
That is correct, it is just purging air out that open port.
Thanks for the valuable info Dennis, very much appreciated!
Doug, if it turns out to be something else I'll definitely purchase the replacement from you.
Thank you!
Brandon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=477330#477330
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captPod
Joined: 06 Jan 2014
Posts: 17
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| Posted: Tue Jan 16, 2018 5:59 am Post subject: Brake air leak |
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I found the QS-1 overhaul kit to be a fairly difficult exercise. Buy the complete assembly and fly with a known good unit.
Pod
Sent from Mail for Windows 10
From: doug sapp (dougsappllc(at)gmail.com)
Sent: Monday, January 15, 2018 2:53 PM
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Subject: Re: Re: Brake air leak
Dennis/Bmsim,
An out of the kits to o/h the QS1 (brake pressure reducing valve) at tis time, but do have the complete assy in stock.
Doug
On Mon, Jan 15, 2018 at 5:40 AM, A. Dennis Savarese <dsavarese0812(at)bellsouth.net (dsavarese0812(at)bellsouth.net)> wrote: | Quote: |
Yes, the brake reducing valve is in the upper right of the cut-away drawing I sent you. The other two components are the brake disabling solendoid (lower right) and the brake differential valve (left side).
When you said "no one seems to have kits right now", I'm assuming you did check with Doug Sapp, the CJ parts supplier?
Dennis
[img]cid:image002.png(at)01D38EA8.4CD20AC0[/img]
From: bmsim <bmsim(at)hotmail.com (bmsim(at)hotmail.com)>
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Sent: Sunday, January 14, 2018 9:02 PM
Subject: Re: Brake air leak
--> Yak-List message posted by: "bmsim" <bmsim(at)hotmail.com (bmsim(at)hotmail.com)>
Thanks Dennis, so this is the reducing valve? You had said the reducing valve was in the upper right of your picture, and this is in the lower right, so just confirming before I buy a replacement (noone seems to have kits right now).
dsavarese0812(at)bellsout wrote:
| Quote: | Remove the brake reducing valve and either replace it or rebuild it. That should fix your problem.
|
| Quote: | Sent from my iPhone
|
| Quote: | > On Jan 13, 2018, at 12:37 PM, bmsim wrote:
|
| Quote: | > I got the floor panel off and the leak is coming from a port on the valve in the right bottom of Dennis' photo. There's a male threaded port on bottom that does not have an air line attached, and when I apply the parking brake, air continuously comes out that port.
|
| Quote: | > If the reducing valve is in the top right of the pic, what is this valve? Strange that it blows out that open port. I'm assuming it is there for a reason and doesn't need capped.
|
| Quote: | > Thanks for the help!
|
| Quote: | > Read this topic online here:
|
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=477290#477290
Attachments:
http://forums.matronics.com//files/20180113_112200_615.jpg
http://www.matronics.com/Navigsp; - MATRONICS WEB FORUMS -
http://forum - NEW MATRONICS LIST WIKI -
http://wiki.matronics.com
http://www.matronics.com/c
|
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cjpilot710(at)aol.com
Guest
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| Posted: Tue Jan 16, 2018 7:41 am Post subject: Brake air leak |
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This is the first time in 23 years of owning a CJ-6 that I've heard of a solenoid controlling the by-pass valve for the brakes. My airplane a 69, came with the by-pass valve, a manual button on top of the rear cockpit control stick. I did away with it by making a line right from the QS1 direct to the QS2. (It took me one hour.) You also mentioned you had a "parking brake". Was that original or added homemade part? Because I've never seen a "parking brake" as a Nanchang part or on the drawings.
Jim "Pappy" Goolsby
--
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bmsim
Joined: 02 Jun 2009
Posts: 32
Location: Alabama
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| Posted: Tue Jan 16, 2018 3:40 pm Post subject: Re: Brake air leak |
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Yak 52
I took the bypass valve out. The bypass button/solenoid was disabled years ago, but evidently something inside has failed, allowing air to escape via the open port when the parking brake is applied.
After removing the valve, there is plenty of line to bend it over and eliminate the bypass valve if I had a male/male union. Does anyone know where I might be able to get a male/male flare union that I could plug in after putting the appropriate angle on the line? I'm having trouble locating this part so far.
Thanks Guys,
Brandon
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dsavarese0812(at)bellsout
Guest
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| Posted: Tue Jan 16, 2018 5:06 pm Post subject: Brake air leak |
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Be careful trying to bend the original tubing.� It is very brittle and
can easily crack.
You could try Doug Sapp for the male to male union.� But I can honestly
say I have never seen one (metric with the correct flare).
The alternative is what I described earlier using the 5052 metric
aluminum tubing.
A. Dennis Savarese
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 1/16/2018 6:40 PM, bmsim wrote:
| Quote: |
Yak 52
I took the bypass valve out. The bypass button/solenoid was disabled years ago, but evidently something inside has failed, allowing air to escape via the open port when the parking brake is applied.
After removing the valve, there is plenty of line to bend it over and eliminate the bypass valve if I had a male/male union. Does anyone know where I might be able to get a male/male flare union that I could plug in after putting the appropriate angle on the line? I'm having trouble locating this part so far.
Thanks Guys,
Brandon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=477351#477351
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bmsim
Joined: 02 Jun 2009
Posts: 32
Location: Alabama
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| Posted: Tue Jan 16, 2018 5:41 pm Post subject: Re: Brake air leak |
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Thanks Dennis, I shot Doug a note.
Do you know where the differential valve is located? The line from the pressure reducing valve into the disabling valve is easy to see/replace, but the line on the other side of the disabling valve disappears as it heads to the differential valve. I'm not sure if it is nearby or I'm looking at a long complex run of line to replace it.
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dsavarese0812(at)bellsout
Guest
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| Posted: Tue Jan 16, 2018 5:56 pm Post subject: Brake air leak |
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Yes, it's on the forward side of the front spar on the right side of the
front seat.� Look down from the seat on the right and you'll see the
swing arm which moves fore and aft when you move the rudder pedals.� The
swing arm is mounted to the brake differential valve. If you follow the
air line forward from the brake disabling solenoid, it is attached to
the rear of the brake differential valve.
(Now you know one of the reasons why I still teach the 2 day Yak 52
maintenance training course)
Dennis
A. Dennis Savarese
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 1/16/2018 8:41 PM, bmsim wrote:
| Quote: |
Thanks Dennis, I shot Doug a note.
Do you know where the differential valve is located? The line from the pressure reducing valve into the disabling valve is easy to see/replace, but the line on the other side of the disabling valve disappears as it heads to the differential valve. I'm not sure if it is nearby or I'm looking at a long complex run of line to replace it.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=477356#477356
|
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jackpot
Joined: 13 Jul 2010
Posts: 65
Location: Las Vegas, Nevada
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| Posted: Tue Jan 16, 2018 10:34 pm Post subject: Brake air leak |
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One of those male to male unions can be made on a lathe. gg
Sent from my iPad
| Quote: | On Jan 16, 2018, at 15:40, bmsim <bmsim(at)hotmail.com> wrote:
Yak 52
I took the bypass valve out. The bypass button/solenoid was disabled years ago, but evidently something inside has failed, allowing air to escape via the open port when the parking brake is applied.
After removing the valve, there is plenty of line to bend it over and eliminate the bypass valve if I had a male/male union. Does anyone know where I might be able to get a male/male flare union that I could plug in after putting the appropriate angle on the line? I'm having trouble locating this part so far.
Thanks Guys,
Brandon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=477351#477351
|
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http://www.matronics.com/Navigator?Yak-List |
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Clouddog
Joined: 02 Jun 2016
Posts: 116
Location: Lebanon, TN
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| Posted: Wed Jan 17, 2018 7:00 am Post subject: Brake air leak |
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I'm with you Pod. Obviously it can be done but what a pain. I also purchased a new one from Doug. Oh another pain besides the trim cable...... Replacing all the oil lines on a CJ.Â
Clouddog
On Jan 16, 2018 8:04 AM, "MSF" <michaelfoster(at)bellsouth.net (michaelfoster(at)bellsouth.net)> wrote: | Quote: |
I found the QS-1 overhaul kit to be a fairly difficult exercise. Buy the complete assembly and fly with a known good unit.
Â
Pod
Â
Sent from Mail for Windows 10
Â
From: doug sapp (dougsappllc(at)gmail.com)
Sent: Monday, January 15, 2018 2:53 PM
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Subject: Re: Re: Brake air leak
Â
Dennis/Bmsim,
An out of the kits to o/h the QS1 (brake pressure reducing valve) at tis time, but do have the complete assy in stock.
Â
Doug
Â
On Mon, Jan 15, 2018 at 5:40 AM, A. Dennis Savarese <dsavarese0812(at)bellsouth.net (dsavarese0812(at)bellsouth.net)> wrote: | Quote: |
Yes, the brake reducing valve is in the upper right of the cut-away drawing I sent you. The other two components are the brake disabling solendoid (lower right) and the brake differential valve (left side).
When you said "no one seems to have kits right now", I'm assuming you did check with Doug Sapp, the CJ parts supplier?
Â
Dennis
Â
[img]cid:image002.png(at)01D38EA8.4CD20AC0[/img]
From: bmsim <bmsim(at)hotmail.com (bmsim(at)hotmail.com)>
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Sent: Sunday, January 14, 2018 9:02 PM
Subject: Re: Brake air leak
Â
--> Yak-List message posted by: "bmsim" <bmsim(at)hotmail.com (bmsim(at)hotmail.com)>
Â
Thanks Dennis, so this is the reducing valve? You had said the reducing valve was in the upper right of your picture, and this is in the lower right, so just confirming before I buy a replacement (noone seems to have kits right now).
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dsavarese0812(at)bellsout wrote:
| Quote: | Remove the brake reducing valve and either replace it or rebuild it. That should fix your problem.
|
| Quote: | Sent from my iPhone
|
| Quote: | > On Jan 13, 2018, at 12:37 PM, bmsim wrote:
|
| Quote: | >Â I got the floor panel off and the leak is coming from a port on the valve in the right bottom of Dennis' photo. There's a male threaded port on bottom that does not have an air line attached, and when I apply the parking brake, air continuously comes out that port.
|
| Quote: | >Â If the reducing valve is in the top right of the pic, what is this valve? Strange that it blows out that open port. I'm assuming it is there for a reason and doesn't need capped.
|
| Quote: | >Â Thanks for the help!
|
| Quote: | >Â Read this topic online here:
|
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Read this topic online here:
Â
http://forums.matronics.com/viewtopic.php?p=477290#477290
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dougsappllc(at)gmail.com
Guest
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| Posted: Wed Jan 17, 2018 9:02 am Post subject: Brake air leak |
|
|
Dennis,I do stock a air line fitting which has double male flare ends for use as a splicer on the 6MM hard lines. P/n is HB4-4-4. It uses the std B nut which requires a 17MM wrench.Â
We also have worked out a nifty air line cap by using the above fitting, a sleeve/ferrel, a B nut, and a undrilled air line restricter. Very handy to have when testing systems.
We also stock a full range of pipe to flare fittings as used on the CJ6.
Doug
On Tue, Jan 16, 2018 at 5:05 PM, A. Dennis Savarese <dsavarese0812(at)bellsouth.net (dsavarese0812(at)bellsouth.net)> wrote:
| Quote: | --> Yak-List message posted by: "A. Dennis Savarese" <dsavarese0812(at)bellsouth.net (dsavarese0812(at)bellsouth.net)>
Be careful trying to bend the original tubing.� It is very brittle and can easily crack.
You could try Doug Sapp for the male to male union.� But I can honestly say I have never seen one (metric with the correct flare).
The alternative is what I described earlier using the 5052 metric aluminum tubing.
A. Dennis Savarese
[url=tel:334-546-8182]334-546-8182[/url]Â (mobile)
www.yak-52.com
Skype - Yakguy1
On 1/16/2018 6:40 PM, bmsim wrote:
| Quote: | --> Yak-List message posted by: "bmsim" <bmsim(at)hotmail.com (bmsim(at)hotmail.com)>
Yak 52
I took the bypass valve out. The bypass button/solenoid was disabled years ago, but evidently something inside has failed, allowing air to escape via the open port when the parking brake is applied.
After removing the valve, there is plenty of line to bend it over and eliminate the bypass valve if I had a male/male union. Does anyone know where I might be able to get a male/male flare union that I could plug in after putting the appropriate angle on the line? I'm having trouble locating this part so far.
Thanks Guys,
Brandon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=477351#477351
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bmsim
Joined: 02 Jun 2009
Posts: 32
Location: Alabama
|
| Posted: Wed Jan 17, 2018 10:01 am Post subject: Re: Brake air leak |
|
|
Hi Doug,
I sent you an email. How can order a couple of the HB4-4-4 parts from you? Wouldn't mind a price on the cap too.
Thank you,
Brandon
| dougsappllc(at)gmail.com wrote: | Dennis,I do stock a air line fitting which has double male flare ends for use as a splicer on the 6MM hard lines. P/n is HB4-4-4. It uses the std B nut which requires a 17MM wrench.Â
We also have worked out a nifty air line cap by using the above fitting, a sleeve/ferrel, a B nut, and a undrilled air line restricter. Very handy to have when testing systems.
We also stock a full range of pipe to flare fittings as used on the CJ6.
Doug
On Tue, Jan 16, 2018 at 5:05 PM, A. Dennis Savarese <dsavarese0812> wrote:
| Quote: | --> Yak-List message posted by: "A. Dennis Savarese" <dsavarese0812>
Be careful trying to bend the original tubing.� It is very brittle and can easily crack.
You could try Doug Sapp for the male to male union.� But I can honestly say I have never seen one (metric with the correct flare).
The alternative is what I described earlier using the 5052 metric aluminum tubing.
A. Dennis Savarese
[url=tel:334-546-8182]334-546-8182[/url]Â (mobile)
www.yak-52.com
Skype - Yakguy1
On 1/16/2018 6:40 PM, bmsim wrote:
| Quote: | --> Yak-List message posted by: "bmsim" <bmsim>
Yak 52
I took the bypass valve out. The bypass button/solenoid was disabled years ago, but evidently something inside has failed, allowing air to escape via the open port when the parking brake is applied.
After removing the valve, there is plenty of line to bend it over and eliminate the bypass valve if I had a male/male union. Does anyone know where I might be able to get a male/male flare union that I could plug in after putting the appropriate angle on the line? I'm having trouble locating this part so far.
Thanks Guys,
Brandon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=477351#477351
|
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dsavarese0812(at)bellsout
Guest
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| Posted: Wed Jan 17, 2018 10:37 am Post subject: Brake air leak |
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|
Doug,
Thanks so much for the update.� All of the information is very
valuable.� I'll be sure to pass this along to whomever needs it,
whenever they need it.
I hope all is well with you and Kathleen.
BR
Dennis
A. Dennis Savarese
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 1/17/2018 12:01 PM, doug sapp wrote:
| Quote: | Dennis,
I do stock a air line fitting which has double male flare ends for use
as a splicer on the 6MM hard lines.� P/n is HB4-4-4.� It uses the std
B nut which requires a 17MM wrench.
We also have worked out a nifty air line cap by using the above
fitting, a sleeve/ferrel, a B nut, and a undrilled air line
restricter.� Very handy to have when testing systems.
We also stock a full range of pipe to flare fittings as used on the CJ6.
Doug
On Tue, Jan 16, 2018 at 5:05 PM, A. Dennis Savarese
<dsavarese0812(at)bellsouth.net <mailto:dsavarese0812(at)bellsouth.net>> wrote:
<dsavarese0812(at)bellsouth.net <mailto:dsavarese0812(at)bellsouth.net>>
Be careful trying to bend the original tubing.� It is very
brittle and can easily crack.
You could try Doug Sapp for the male to male union.� But I can
honestly say I have never seen one (metric with the correct flare).
The alternative is what I described earlier using the 5052 metric
aluminum tubing.
A. Dennis Savarese
334-546-8182 <tel:334-546-8182>�(mobile)
www.yak-52.com <http://www.yak-52.com>
Skype - Yakguy1
On 1/16/2018 6:40 PM, bmsim wrote:
<mailto:bmsim(at)hotmail.com>>
Yak 52
I took the bypass valve out. The bypass button/solenoid was
disabled years ago, but evidently something inside has failed,
allowing air to escape via the open port when the parking
brake is applied.
After removing the valve, there is plenty of line to bend it
over and eliminate the bypass valve if I had a male/male
union. Does anyone know where I might be able to get a
male/male flare union that I could plug in after putting the
appropriate angle on the line? I'm having trouble locating
this part so far.
Thanks Guys,
Brandon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=477351#477351
<http://forums.matronics.com/viewtopic.php?p=477351#477351>
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bmsim
Joined: 02 Jun 2009
Posts: 32
Location: Alabama
|
| Posted: Sun Jan 28, 2018 6:49 am Post subject: Re: Brake air leak |
|
|
Well, I ordered and received the male to male fitting for the 6mm air line. Unfortunately the union fitting was too small in diameter. The one I have measures about 11.5mm on the threads, and the one needed measures about 13.5mm. I've sent Doug an email to see if he has a similar union fitting the next size up.
The difference in sizes are the same as the two thread sizes on the firewall forward T assembly, where one side is slightly larger than the other. I'm going to try and find a union that is the size of the larger side's threads.
If I can't find a union that size (meaning if Doug doesn't have one), then I guess I'm stuck replacing the entire air line, and re-using the nuts on the old lines like Dennis suggested. The only issue there is, I have flaring tools, but I don't know how this thing is flared or if I can put a flare on it that will mate to the Russian fittings properly.
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