Re: HELP, PT-19 brake conundrum.. Pictures.

roy25102 · Post by **roy25102** » Sat Feb 19, 2011 5:17 pm

'We are in dire need of some help with a problem on my friends PT-19. Simply put, when you apply either left or right brake, the opposite brake is also being applied. The aircraft has no differential braking. Everyone I have spoken to so far thinks I am crazy but I assure you, both left and right maser cylinders are being actuated with the pressing of any single brake pedal in the airplane.

I think I have isolated the problem to an improperly installed parking brake cross tube assembly in the brake assembly section. This tube always moves when any brake is pressed and I think it should only move when the parking brake handle is pulled. Here are some pics.

http://i1142.photobucket.com/albums/n618/roy25101/right01.jpg
http://i1142.photobucket.com/albums/n618/roy25101/right02.jpg
http://i1142.photobucket.com/albums/n618/roy25101/left01.jpg
http://i1142.photobucket.com/albums/n618/roy25101/left02.jpg

These arrows point to the mechanism that actuates the parking brake. Unfortunately every time one brake is applied it is moving when it should stay stationary. I have a feeling that the the metal tabs that are sticking up into the channel should actually be behind the channel which would allow the brakes to operate independently instead of in tandem. I cannot however be sure of just how each side should be placed.

If anyone has any information about this it would be greatly appreciated. Perhaps someone is in the process of working on one of these aircraft and could either take pictures or just describe where these tabs should be placed. It would be GREATLY appreciated. We are at a dead end here. The parts manual and the maintenance manual or too vague on these details. We are located in SE Georgia so perhaps someone has a PT-19 close by we could go take a look at. Thanks in advance...'

Fritz · Post by **Fritz** » Sat Feb 19, 2011 11:11 pm

'Disconnect the parking brake from the system and see if you have the same
problem of cross braking...

-----Original Message-----
From: fairchildclub@yahoogroups.com [mailto:fairchildclub@yahoogroups.com]
On Behalf Of roy25102
Sent: Saturday, February 19, 2011 3:18 PM
To: fairchildclub@yahoogroups.com
Subject: [fairchildclub] HELP, PT-19 brake conundrum.. Pictures.

We are in dire need of some help with a problem on my friends PT-19. Simply
put, when you apply either left or right brake, the opposite brake is also
being applied. The aircraft has no differential braking. Everyone I have
spoken to so far thinks I am crazy but I assure you, both left and right
maser cylinders are being actuated with the pressing of any single brake
pedal in the airplane.

I think I have isolated the problem to an improperly installed parking brake
cross tube assembly in the brake assembly section. This tube always moves
when any brake is pressed and I think it should only move when the parking
brake handle is pulled. Here are some pics.

http://i1142.photobucket.com/albums/n618/roy25101/right01.jpg
http://i1142.photobucket.com/albums/n618/roy25101/right02.jpg
http://i1142.photobucket.com/albums/n618/roy25101/left01.jpg
http://i1142.photobucket.com/albums/n618/roy25101/left02.jpg

These arrows point to the mechanism that actuates the parking brake.
Unfortunately every time one brake is applied it is moving when it should
stay stationary. I have a feeling that the the metal tabs that are sticking
up into the channel should actually be behind the channel which would allow
the brakes to operate independently instead of in tandem. I cannot however
be sure of just how each side should be placed.

If anyone has any information about this it would be greatly appreciated.
Perhaps someone is in the process of working on one of these aircraft and
could either take pictures or just describe where these tabs should be
placed. It would be GREATLY appreciated. We are at a dead end here. The
parts manual and the maintenance manual or too vague on these details. We
are located in SE Georgia so perhaps someone has a PT-19 close by we could
go take a look at. Thanks in advance...

------------------------------------

Yahoo! Groups Links'

roy25102 · Post by **roy25102** » Sun Feb 20, 2011 3:23 am

'The best way to disconnect the parking brake from the system is to remove the cross tie bar. Yes, if this is done, the problem goes away.

--- In fairchildclub@yahoogroups.com, "Fritz" wrote:
>
> Disconnect the parking brake from the system and see if you have the same
> problem of cross braking...
>
>
>
> -----Original Message-----
> From: fairchildclub@yahoogroups.com [mailto:fairchildclub@yahoogroups.com]
> On Behalf Of roy25102
> Sent: Saturday, February 19, 2011 3:18 PM
> To: fairchildclub@yahoogroups.com
> Subject: [fairchildclub] HELP, PT-19 brake conundrum.. Pictures.
>
> We are in dire need of some help with a problem on my friends PT-19. Simply
> put, when you apply either left or right brake, the opposite brake is also
> being applied. The aircraft has no differential braking. Everyone I have
> spoken to so far thinks I am crazy but I assure you, both left and right
> maser cylinders are being actuated with the pressing of any single brake
> pedal in the airplane.
>
> I think I have isolated the problem to an improperly installed parking brake
> cross tube assembly in the brake assembly section. This tube always moves
> when any brake is pressed and I think it should only move when the parking
> brake handle is pulled. Here are some pics.
>
> http://i1142.photobucket.com/albums/n618/roy25101/right01.jpg
> http://i1142.photobucket.com/albums/n618/roy25101/right02.jpg
> http://i1142.photobucket.com/albums/n618/roy25101/left01.jpg
> http://i1142.photobucket.com/albums/n618/roy25101/left02.jpg
>
> These arrows point to the mechanism that actuates the parking brake.
> Unfortunately every time one brake is applied it is moving when it should
> stay stationary. I have a feeling that the the metal tabs that are sticking
> up into the channel should actually be behind the channel which would allow
> the brakes to operate independently instead of in tandem. I cannot however
> be sure of just how each side should be placed.
>
> If anyone has any information about this it would be greatly appreciated.
> Perhaps someone is in the process of working on one of these aircraft and
> could either take pictures or just describe where these tabs should be
> placed. It would be GREATLY appreciated. We are at a dead end here. The
> parts manual and the maintenance manual or too vague on these details. We
> are located in SE Georgia so perhaps someone has a PT-19 close by we could
> go take a look at. Thanks in advance...
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>

'

Curt Kinchen · Post by **Curt Kinchen** » Sun Feb 20, 2011 10:26 am

'I've got mine in a state of disassembly and will take some pix today or
tomorrow and share them. I think you're on the right track.

On Sat, Feb 19, 2011 at 3:17 PM, roy25102 wrote:

>
>
> We are in dire need of some help with a problem on my friends PT-19. Simply
> put, when you apply either left or right brake, the opposite brake is also
> being applied. The aircraft has no differential braking. Everyone I have
> spoken to so far thinks I am crazy but I assure you, both left and right
> maser cylinders are being actuated with the pressing of any single brake
> pedal in the airplane.
>
> I think I have isolated the problem to an improperly installed parking
> brake cross tube assembly in the brake assembly section. This tube always
> moves when any brake is pressed and I think it should only move when the
> parking brake handle is pulled. Here are some pics.
>
> http://i1142.photobucket.com/albums/n618/roy25101/right01.jpg
> http://i1142.photobucket.com/albums/n618/roy25101/right02.jpg
> http://i1142.photobucket.com/albums/n618/roy25101/left01.jpg
> http://i1142.photobucket.com/albums/n618/roy25101/left02.jpg
>
> These arrows point to the mechanism that actuates the parking brake.
> Unfortunately every time one brake is applied it is moving when it should
> stay stationary. I have a feeling that the the metal tabs that are sticking
> up into the channel should actually be behind the channel which would allow
> the brakes to operate independently instead of in tandem. I cannot however
> be sure of just how each side should be placed.
>
> If anyone has any information about this it would be greatly appreciated.
> Perhaps someone is in the process of working on one of these aircraft and
> could either take pictures or just describe where these tabs should be
> placed. It would be GREATLY appreciated. We are at a dead end here. The
> parts manual and the maintenance manual or too vague on these details. We
> are located in SE Georgia so perhaps someone has a PT-19 close by we could
> go take a look at. Thanks in advance...
>
>
>

--
Curt Kinchen
ptcurt@gmail.com

[Non-text portions of this message have been removed]

'

roy25102 · Post by **roy25102** » Sun Feb 20, 2011 11:31 am

'Thank you thank you thank you.!!!

--- In fairchildclub@yahoogroups.com, Curt Kinchen wrote:
>
> I've got mine in a state of disassembly and will take some pix today or
> tomorrow and share them. I think you're on the right track.
>
> On Sat, Feb 19, 2011 at 3:17 PM, roy25102 wrote:
>
> >
> >
> > We are in dire need of some help with a problem on my friends PT-19. Simply
> > put, when you apply either left or right brake, the opposite brake is also
> > being applied. The aircraft has no differential braking. Everyone I have
> > spoken to so far thinks I am crazy but I assure you, both left and right
> > maser cylinders are being actuated with the pressing of any single brake
> > pedal in the airplane.
> >
> > I think I have isolated the problem to an improperly installed parking
> > brake cross tube assembly in the brake assembly section. This tube always
> > moves when any brake is pressed and I think it should only move when the
> > parking brake handle is pulled. Here are some pics.
> >
> > http://i1142.photobucket.com/albums/n618/roy25101/right01.jpg
> > http://i1142.photobucket.com/albums/n618/roy25101/right02.jpg
> > http://i1142.photobucket.com/albums/n618/roy25101/left01.jpg
> > http://i1142.photobucket.com/albums/n618/roy25101/left02.jpg
> >
> > These arrows point to the mechanism that actuates the parking brake.
> > Unfortunately every time one brake is applied it is moving when it should
> > stay stationary. I have a feeling that the the metal tabs that are sticking
> > up into the channel should actually be behind the channel which would allow
> > the brakes to operate independently instead of in tandem. I cannot however
> > be sure of just how each side should be placed.
> >
> > If anyone has any information about this it would be greatly appreciated.
> > Perhaps someone is in the process of working on one of these aircraft and
> > could either take pictures or just describe where these tabs should be
> > placed. It would be GREATLY appreciated. We are at a dead end here. The
> > parts manual and the maintenance manual or too vague on these details. We
> > are located in SE Georgia so perhaps someone has a PT-19 close by we could
> > go take a look at. Thanks in advance...
> >
> >
> >
>
>
>
> --
> Curt Kinchen
> ptcurt@...
>
>
> [Non-text portions of this message have been removed]
>

'

ccmueller001 · Post by **ccmueller001** » Sun Feb 20, 2011 1:19 pm

'My PT has the front floorboards removed so I took a photo of the link you are concerned with. It has been added to the photo album N69167.
The tab is shown behind the arm with the U-shaped channel, as others have suggested. Hope this helps. The tab is behind the arm on both sides.

Charles

--- In fairchildclub@yahoogroups.com, "roy25102" wrote:
>
> We are in dire need of some help with a problem on my friends PT-19. Simply put, when you apply either left or right brake, the opposite brake is also being applied. The aircraft has no differential braking. Everyone I have spoken to so far thinks I am crazy but I assure you, both left and right maser cylinders are being actuated with the pressing of any single brake pedal in the airplane.

'

roy25102 · Post by **roy25102** » Sun Feb 20, 2011 6:56 pm

'Thanks you for taking a look at that for us. I looked for the pictures but was not able to see them. Perhaps they have not been added yet. I will check back later. Again thanks.

--- In fairchildclub@yahoogroups.com, "ccmueller001" wrote:
>
> My PT has the front floorboards removed so I took a photo of the link you are concerned with. It has been added to the photo album N69167.
> The tab is shown behind the arm with the U-shaped channel, as others have suggested. Hope this helps. The tab is behind the arm on both sides.
>
> Charles
>
>
>
> --- In fairchildclub@yahoogroups.com, "roy25102" wrote:
> >
> > We are in dire need of some help with a problem on my friends PT-19. Simply put, when you apply either left or right brake, the opposite brake is also being applied. The aircraft has no differential braking. Everyone I have spoken to so far thinks I am crazy but I assure you, both left and right maser cylinders are being actuated with the pressing of any single brake pedal in the airplane.
>

'

ccmueller001 · Post by **ccmueller001** » Sun Feb 20, 2011 11:21 pm

'I thought I had added the brake link photo, but evidently I haven't figured out the process correctly. And haven't been able to do so with another try.

Let's try a direct email. Send your email address to me at: ccm2 (at) sbcglobal (dot) net

Charles

--- In fairchildclub@yahoogroups.com, "roy25102" wrote:
>
> Thanks you for taking a look at that for us. I looked for the pictures but was not able to see them. Perhaps they have not been added yet. I will check back later. Again thanks.
>
> --- In fairchildclub@yahoogroups.com, "ccmueller001" wrote:
> >
> > My PT has the front floorboards removed so I took a photo of the link you are concerned with. It has been added to the photo album N69167.
> > The tab is shown behind the arm with the U-shaped channel, as others have suggested. Hope this helps. The tab is behind the arm on both sides.
> >
> > Charles
> >
> >
> >
> > --- In fairchildclub@yahoogroups.com, "roy25102" wrote:
> > >
> > > We are in dire need of some help with a problem on my friends PT-19. Simply put, when you apply either left or right brake, the opposite brake is also being applied. The aircraft has no differential braking. Everyone I have spoken to so far thinks I am crazy but I assure you, both left and right maser cylinders are being actuated with the pressing of any single brake pedal in the airplane.
> >
>

'

roy25102 · Post by **roy25102** » Mon Feb 21, 2011 6:02 am

'Ok, email has been sent.... Thank you.

--- In fairchildclub@yahoogroups.com, "ccmueller001" wrote:
>
> I thought I had added the brake link photo, but evidently I haven't figured out the process correctly. And haven't been able to do so with another try.
>
> Let's try a direct email. Send your email address to me at: ccm2 (at) sbcglobal (dot) net
>
> Charles
>
>
> --- In fairchildclub@yahoogroups.com, "roy25102" wrote:
> >
> > Thanks you for taking a look at that for us. I looked for the pictures but was not able to see them. Perhaps they have not been added yet. I will check back later. Again thanks.
> >
> > --- In fairchildclub@yahoogroups.com, "ccmueller001" wrote:
> > >
> > > My PT has the front floorboards removed so I took a photo of the link you are concerned with. It has been added to the photo album N69167.
> > > The tab is shown behind the arm with the U-shaped channel, as others have suggested. Hope this helps. The tab is behind the arm on both sides.
> > >
> > > Charles
> > >
> > >
> > >
> > > --- In fairchildclub@yahoogroups.com, "roy25102" wrote:
> > > >
> > > > We are in dire need of some help with a problem on my friends PT-19. Simply put, when you apply either left or right brake, the opposite brake is also being applied. The aircraft has no differential braking. Everyone I have spoken to so far thinks I am crazy but I assure you, both left and right maser cylinders are being actuated with the pressing of any single brake pedal in the airplane.
> > >
> >
>

'

Curt Kinchen · Post by **Curt Kinchen** » Mon Feb 21, 2011 10:42 am

'I took pictures this AM as well. Just uploaded them to the fairchildclub
yahoo site, folder named Brake Pictures. You'll see, as Charles also noted,
the tab behind the bellcrank on both sides.

Curt

On Sun, Feb 20, 2011 at 4:56 PM, roy25102 wrote:

>
>
> Thanks you for taking a look at that for us. I looked for the pictures but
> was not able to see them. Perhaps they have not been added yet. I will check
> back later. Again thanks.
>
>
> --- In fairchildclub@yahoogroups.com, "ccmueller001" wrote:
> >
> > My PT has the front floorboards removed so I took a photo of the link you
> are concerned with. It has been added to the photo album N69167.
> > The tab is shown behind the arm with the U-shaped channel, as others have
> suggested. Hope this helps. The tab is behind the arm on both sides.
> >
> > Charles
> >
> >
> >
> > --- In fairchildclub@yahoogroups.com, "roy25102" wrote:
> > >
> > > We are in dire need of some help with a problem on my friends PT-19.
> Simply put, when you apply either left or right brake, the opposite brake is
> also being applied. The aircraft has no differential braking. Everyone I
> have spoken to so far thinks I am crazy but I assure you, both left and
> right maser cylinders are being actuated with the pressing of any single
> brake pedal in the airplane.
> >
>
>
>

--
Curt Kinchen
ptcurt@gmail.com

[Non-text portions of this message have been removed]

'