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Filling mc-5A brake system

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kenny.aron(at)gmail.com
Guest

Posted: Tue Nov 27, 2007 7:08 pm Post subject: Filling mc-5A brake system

All,

  

 Whilst standing in my shop this weekend marvelling at my newly installed brake system, I slowly realized I have no idea how to add fluid to the thing.

  

 My 801 kit came with Matco MC-5A internal reservoir masters. There are only two ports, one where the brake line attaches, a second that looks like an air vent on top. It doesn't appear to be easily removed. I checked the Matco web site, no help. They've got a mechanical installation drawing, and make some comments about what kind of fluid to use, but no manual for the -5 or any other internal reservoir system. Nothing on the Zenith pages either. 

  

 If the top port is really an air vent, I could pump fluid in backwards from the bottom of the calipers. If this is really how it's done, what to use for a pump? Suggestions welcome.

  

 Thanks,

 N801KA "Texas Yardart"

 75% complete.

-- 

\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/

--Kenny A.

http://websites.expercraft.com/kennya/ 

  [quote][b]

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craig(at)craigandjean.com
Guest

Posted: Tue Nov 27, 2007 7:27 pm Post subject: Filling mc-5A brake system

[quote]Take a look at page 10 (the last page) of this document. It is for the 601XL but the principle is the same. This shows a hand oil pump being used to fill from the bottom but I have seen a squeeze bottle (like a ketchup bottle in a diner) used too: http://www.zenithair.com/zodiac/xl/data/6-gear.pdf -- Craig [b]

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dredmoody(at)cox.net
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Posted: Tue Nov 27, 2007 7:32 pm Post subject: Filling mc-5A brake system

I haven't done it but I've seen it suggested to use  a new pump type oilcan with a short piece of tubing to pump the brake fluid up  from the bottom bleed port.

  

 Dred

   [quote][b]

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Afterfxllc(at)aol.com
Guest

Posted: Wed Nov 28, 2007 2:44 am Post subject: Filling mc-5A brake system

That is exactly how you do it Dred. Just take a piece of hose and attach it  to the hand pump and open the bleeder on the bottom then put the other end on  the hose on it and have someone watch inside the plane until fluid comes out the  top vent that's it.

  

  In a message dated 11/27/2007 10:33:50 P.M. Eastern Standard Time,  dredmoody(at)cox.net writes:

  	  Quote: 	
		     I haven't done it but I've seen it suggested to    use a new pump type oilcan with a short piece of tubing to pump the brake    fluid up from the bottom bleed port.

    

   Dred

 	  Quote: 	
		  



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f="http://www.matronics.com/Navigator?Zenith-List">http://www.matronics.com/Navigator?Zenith-List

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Check out AOL Money & Finance's list of the hottest products and top money wasters of 2007.

  [quote][b]

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shilcom

Joined: 28 Sep 2007
Posts: 63

Posted: Wed Nov 28, 2007 3:22 am Post subject: Filling mc-5A brake system

Could everybody take a look at what their "word  wrap" settings are

 [quote]   ---

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psm(at)ATT.NET
Guest

Posted: Wed Nov 28, 2007 11:42 am Post subject: Filling mc-5A brake system

Or, if you don't have any handy helper to watch the other end, but you do have a PC with a little camera attached . . .



 You can set up your PC to display the top of the master cylinder and you can watch the screen while pumping the fluid into the wheel cylinder.  



 If you are like me, then you try to use the brakes and discover if you properly sealed all the tubes and fittings or not . . .  If you develop a leak, it is easier to drain the whole brake line system and refill from the bottom again than to try to bleed out the bubble formed.



 Paul

 XL fuselage



 

 At 02:42 AM 11/28/2007, you wrote:



 [quote]That is exactly how you do it Dred. Just take a piece of hose and attach it to the hand pump and open the bleeder on the bottom then put the other end on the hose on it and have someone watch inside the plane until fluid comes out the top vent that's it.

  [b]

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Craig.Spainhower(at)exelo
Guest

Posted: Wed Nov 28, 2007 3:44 pm Post subject: Filling mc-5A brake system

I bought a large syringe, like for basting. It took two full syringes to fill each system. That's why the bleeders point down instead of up, like on an automotive brake caliper. On my Cessna I removed the vent from the master cylinder to add fluid, but I don't know if this can be done with the Matcos.



Craig S.

N601XS, 601xl 0-235 lyc



All,



Whilst standing in my shop this weekend marvelling at my newly installed

brake system, I slowly realized I have no idea how to add fluid to the

thing.



My 801 kit came with Matco MC-5A internal reservoir masters. There are only

two ports, one where the brake line attaches, a second that looks like an

air vent on top. It doesn't appear to be easily removed. I checked the Matco

web site, no help. They've got a mechanical installation drawing, and make

some comments about what kind of fluid to use, but no manual for the -5 or

any other internal reservoir system. Nothing on the Zenith pages either.



If the top port is really an air vent, I could pump fluid in backwards from

the bottom of the calipers. If this is really how it's done, what to use for

a pump? Suggestions welcome.



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amyvega2005(at)earthlink.
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Posted: Thu Nov 29, 2007 6:01 am Post subject: Filling mc-5A brake system

to fill the brakes:

1-Get yourself something to push the fluid into the brakes from the bottom with a flexible clear hose to attach to (syringe, turkey baster, Oilcan, insecticide pump action can eyc...)

2- open the reserve screw at top of brake, keeep the screw and cork washer to the side.

3-  fill you pumping can with Aviation grade brake fluid. one can only costs $4.50 on average so get two.

4-  connect clear tube and can to bottom of brake caliper.



5- with a friend, wife, partner etc looking looking at the top of the reservior, unscrew the bleeder valve with a wrench, and start pumping the fluid up the brake line.

6- the fluid goes up the break line into the reservior.  you do not need to fill all the way just close to the top or half way is good.

Air in the reservior is OK just not in the line.



7-  Have your partner seel the top screw.



8- pump just a little more from the bottom to get a good pressure then screw the bleeder valve shut.



Go to the next break. finsh that one and test them out.



Remember to fast taxi to 40 mph or so and hit the breaks hard to or three times to set the breaks. Let them cool off between each time.



If you hear rattling while taxiing (which happened to me) you need only to test it by tapping lightly on brakes, if rattling stops, then just add more break fliud from bleeder valve to increase the pressure.(you push more brake fluid in).



Juan Vega

N42JV "Rivet"



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