Today's Message Index:
----------------------
0. 12:19 AM - November List Fund Raiser (Matt Dralle)
1. 10:36 AM - Brake components and seals (aerosiam)
2. 01:29 PM - Re: Brake components and seals (Hugh McKay)
3. 04:25 PM - Re: Brake components and seals (Brian Carpenter)
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| Subject: | November List Fund Raiser |
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Message 1
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| Subject: | Brake components and seals |
The brake system on our 4 year old plane was stripped down for inspection and to
renew all the seals and O rings.
This is a straightforward task. One caliper needed honing due to minor corrosion.
The other was done last year.
I attach a cellphone photo of the components and another photo showing the seals
and their respective positions.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=318052#318052
Attachments:
http://forums.matronics.com//files/photo_0032_137.jpg
http://forums.matronics.com//files/photo_0029_962.jpg
Message 2
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| Subject: | Re: Brake components and seals |
Paul,
Thanks for the photos. I have also just finished stripping down the
hydraulic brake calipers and discs on my Allegro 2000. After 4 years on a
grass strip the brass plungers on the calipers were froze. Took everything
apart, cleaned everything, re-polished the brass plunger ever so lightly, as
well as the inside of the caliper itself. Put in new "O" rings and rubber
plunger as well as new brake pads. I have not re-filled the hydraulic system
yet.
I did notice in your photos that you also disassembled the little master
cylinder. Why did you do that? Was there a problem with it? I do have a
question that I need some help on. What is the best way to re-fill the brake
system on an Allegro 2000 with hydraulic brake fluid? I see no way to fill
the system from the top down (i.e. through the master cylinder in the plane)
with out disassembling the master cylinder itself, and then re-assembling
it. This seems to be difficult and cumbersome. How do you re-fill your brake
system (top down, or bottom up) and then bleed the system after re-filling?
Hugh McKay
Allegro 2000
Rotax 912 UL
-----Original Message-----
From: aerosiam
Sent: Wednesday, November 03, 2010 1:34 PM
Subject: Allegro-List: Brake components and seals
The brake system on our 4 year old plane was stripped down for inspection
and to renew all the seals and O rings.
This is a straightforward task. One caliper needed honing due to minor
corrosion. The other was done last year.
I attach a cellphone photo of the components and another photo showing the
seals and their respective positions.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=318052#318052
Attachments:
http://forums.matronics.com//files/photo_0032_137.jpg
http://forums.matronics.com//files/photo_0029_962.jpg
Message 3
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| Subject: | Re: Brake components and seals |
Hugh,
We have filled from the bottom -up,,, both sides at the same time.-- Sm
all oil type cans with plastic line. I have had a problem with pressure whe
n the system gets cold.. I have replaced the gasket on the plunger in the m
aster several times.. I may have a small burr inside.. For some reason it h
as been holding pressure for the last 6 months, we will see what happens wh
en it gets cold again..
Brian
N3081X
Taylor Az
--- On Wed, 11/3/10, Hugh McKay <hgmckay@bellsouth.net> wrote:
From: Hugh McKay <hgmckay@bellsouth.net>
Subject: Re: Allegro-List: Brake components and seals
Paul,
Thanks for the photos. I have also just finished stripping down the hydraul
ic brake calipers and discs on my Allegro 2000. After 4 years on a grass st
rip the brass plungers on the calipers were froze. Took everything apart, c
leaned everything, re-polished the brass plunger ever so lightly, as well a
s the inside of the caliper itself. Put in new "O" rings and rubber plunger
as well as new brake pads. I have not re-filled the hydraulic system yet.
I did notice in your photos that you also disassembled the little master cy
linder. Why did you do that? Was there a problem with it? I do have a quest
ion that I need some help on. What is the best way to re-fill the brake sys
tem on an Allegro 2000 with hydraulic brake fluid? I see no way to fill the
system from the top down (i.e. through the master cylinder in the plane) w
ith out disassembling the master cylinder itself, and then re-assembling it
. This seems to be difficult and cumbersome. How do you re-fill your brake
system (top down, or bottom up) and then bleed the system after re-filling?
Hugh McKay
Allegro 2000
Rotax 912 UL
-----Original Message----- From: aerosiam
Sent: Wednesday, November 03, 2010 1:34 PM
Subject: Allegro-List: Brake components and seals
The brake system on our 4 year old plane was stripped down for inspection a
nd to renew all the seals and O rings.
This is a straightforward task. One caliper needed honing due to minor corr
osion. The other was done last year.
I attach a cellphone photo of the components and another photo showing the
seals and their respective positions.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=318052#318052
Attachments:
http://forums.matronics.com//files/photo_0032_137.jpg
http://forums.matronics.com//files/photo_0029_962.jpg
le, List Admin.
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