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tony.bale(at)virgin.net Guest
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Posted: Thu Jul 09, 2009 1:45 pm Post subject: Mono Brake Bleeding |
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Dear all,
We are experiencing problems bleeding the brake system, after several
failed attempts we still have a lot of brake lever movement and not much to
show for it. (before the line was disconnected the brakes worked quite well
so suggests pad condition etc is okay)
The Hydraulic line was disconnected hence the need to bleed the system. We
have the syringe and ali cup supplied from Europa, but can't remember the
tricks to successful removal of trapped air.
Can anyone enlighten me or point me in the right direction ? Would
appreciate any assistance / comments.
Regards
Tony.
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kheindl(at)msn.com Guest
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Posted: Thu Jul 09, 2009 3:05 pm Post subject: Mono Brake Bleeding |
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Tony C
There seem to be various techniques. The only thing that worked for me in the end (I have a trigear) C was to :
a) move the bleed nipple from the top to the bottom position.
b) then submerge the nipple in brake fluid in a container. That way no air can enter again
from the bottom.
c) fill up the reservoir and pump the brake. keep filling and pumping until no more air
bubbles are coming out. With someone's help this procedure is very easy. Close the
bleed nipple. Then do the other side.
I was amazed by how much air was expelled.
I tried all the other tricks C like filling from the bottom up etc. C but didn't have much success.
Karl
Quote: | From: tony.bale(at)virgin.net
To: europa-list(at)matronics.com
Date: Thu C 9 Jul 2009 17:42:11 -0400
Subject: Europa-List: Mono Brake Bleeding
--> Europa-List message posted by: "tony.bale(at)virgin.net" <tony.bale(at)virgin.net>
Dear all C
We are experiencing problems bleeding the brake system C after several
failed attempts we still have a lot of brake lever movement and not much to
show for it. (before the line was disconnected the brakes worked quite well
so suggests pad condition etc is okay)
The Hydraulic line was disconnected hence the need to bleed the system. We
have the syringe and ali cup supplied from Europa C but can't remember the
tricks to successful removal of trapped air.
Can anyone enlighten me or point me in the right direction ? Would
appreciate any assistance / comments.
Regards
Tony.
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keithhickling(at)clear.ne Guest
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Posted: Thu Jul 09, 2009 4:32 pm Post subject: Mono Brake Bleeding |
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Hi Tony,
The Europa bleeding kit is great and was the only way I managed to bleed the brakes successfully in my mono. The problem is that the master cylinder slopes upwards and air gate trapped at the end opposite to the brake line connection.
Screw the alu reservoir into the filler hole on the master cylinder. Then fill the syringe with fluid, attach a short length of plastic tubing, and attach to the bleed nipple on the slave cylinder. Slacken the bleed nipple and inject the fluid. When all 10 mls are injected, tighten the bleed nipple, refil the syringe and repeat. It takes 2 - 3 10 ml syringes to fill the system. When fluid with no air bubbles flows into the reservoir, tighten the bleed nipple and remove some fluid from the reservoir until it is about a third full. Then pull the brake lever until no more air is expelled. Release the lever slowly and watch the level of fluid in the reservior as it drops to make sure no air is sucked into the master cylinder. Repeat until no more air is expelled from the master cylinder. Finally pull the brake lever back just a quarter of an inch, empty the reservoir with the syringe, and release the brake lever, so that the fluid level drops just below the filler hole in the master cylinder. That then lets you unscrew the reservoir without brake fluid leaking everywhere. Replace the filler cap, check the bleed nipple is fully tightened, and the system should be bled.
Regards,
Keith Hickling,
New Zealand.
[quote]
Quote: | From: tony.bale(at)virgin.net
To: europa-list(at)matronics.com
Date: Thu, 9 Jul 2009 17:42:11 -0400
Subject: Mono Brake Bleeding
--> Europa-List message posted by: "tony.bale(at)virgin.net" <tony.bale(at)virgin.net>
Dear all,
We are experiencing problems bleeding the brake system, after several
failed attempts we still have a lot of brake lever movement and not much to
show for it. (before the line was disconnected the brakes worked quite well
so suggests pad condition etc is okay)
The Hydraulic line was disconnected hence the need to bleed the system. We
have the syringe and ali cup supplied from Europa, but can't remember the
tricks to successful removal of trapped air.
Can anyone enlighten me or point me in the right direction ? Would
appreciate any assistance / comments.
Regards
Tony.
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href="http://www.matronics.com/Navigator?Europa-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com
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ptag.dev(at)tiscali.co.uk Guest
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Posted: Thu Jul 09, 2009 8:59 pm Post subject: Mono Brake Bleeding |
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Don't know about the mono but on the trike I put plenty of rag round
each master cylinder use a syringe to fill the cylinders brim full, then
replace the plugs allowing time for the excess to dribble out from the
threads then tighten up and mop up.
Get excellent brakes and no air whatever !
Regards
Bob H G-PTAG
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tony.bale(at)virgin.net Guest
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Posted: Sat Jul 11, 2009 11:35 am Post subject: Mono Brake Bleeding |
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Thanks for the responses everyone, off to the hanger tomorrow to put the
advice into practise, wish me luck.
Will report back on hopeful success.
ATB
Tony.
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