REFLECTOR: Matco Master Cylinder

[John Dibble]

I got my brake working.  I took the master cylinder apart and there was some fine black
material in the plunger area.  The seals looked ok, although I don't know how I can
really tell by just looking.  So I cleaned everything and reinstalled it.  It works much
better than before, but still doesn't work as good as the other brake.  This may be
because I don't have all the air bled out.  Still, it's useable and I will fly back to MS
where I can work on it in warmer weather.  When I was bleeding it, I could see a small
amount of the black material in the fluid coming out.  Is this normal or is this
something I need to look into?  Should the fluid be replaced every so often?  I think I
will do that.

John

John Dibble wrote:

> My right brake has been a bit weak lately.  My brake pads are worn, so I figured that
> was the problem.  I replaced them.  Today when I tried to fly, my right brake was
> hardly working at all, so I suspect the master is bad.  I've ordered one from the
> factory, but would like to fly sooner if possible.  Is there a way I can repair with
> local parts?
>
> John
>
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