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02-09-2010, 08:05 PM
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Join Date: Jan 2007
Location: Stuart, FL /Hartford, CT/Virgin Gorda,BVI
Posts: 3,122
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Brake Caliper O-ring Replaced......
when it comes time to replace a caliper o-ring which is leaking get the blue plug/cap part at the bottom of the pic. it can be used to plug the brake line so you dont loose all the fluid in the line when you disconnect it. it can be used to cap the caliper to degrease it. if you are lucky you may not have to rebleed the system.
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TURBO YES =VAF= Payed Jan2019
Ed D'Arcy
RV6-A 5,200+ hrs, R-44 1,600 hrs, Helicycle 320 hrs, gyro sold,35,000 miles flown in 2015 
Stuart, Fl / S WINDSOR,Ct / Virgin Gorda, BVI - under major repair from hurricane damage
VAF #840 EAA AOPA FAC FABA QB SPA
addicted pickle ball player
https://i.postimg.cc/tn3h4svg/IMG-3101.jpg
Last edited by turbo : 03-13-2010 at 10:10 AM.
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02-10-2010, 10:48 AM
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Join Date: Aug 2006
Location: Battle Ground, WA
Posts: 426
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An Alternative method...
Quote:
Originally Posted by turbo
when it comes time to replace a caliper o-ring which is leaking get the blue plug/cap part at the bottom of the pic. it can be used to plug the brake line so you dont loose all the fluid in the line when you disconnect it. it can be used to cap the caliper to degrease it. if you are lucky you may not have to rebleed the system. |
is to slightly apply the master cylinders so the seal in the m/cyl is just past the compensating port.
LarryT |
02-11-2010, 07:42 AM
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Join Date: Jan 2007
Location: Stuart, FL /Hartford, CT/Virgin Gorda,BVI
Posts: 3,122
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??????
larry, not sure what your trying to say.
__________________
TURBO YES =VAF= Payed Jan2019
Ed D'Arcy
RV6-A 5,200+ hrs, R-44 1,600 hrs, Helicycle 320 hrs, gyro sold,35,000 miles flown in 2015
Stuart, Fl / S WINDSOR,Ct / Virgin Gorda, BVI - under major repair from hurricane damage
VAF #840 EAA AOPA FAC FABA QB SPA
addicted pickle ball player
https://i.postimg.cc/tn3h4svg/IMG-3101.jpg
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02-11-2010, 04:25 PM
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Join Date: Aug 2006
Location: Battle Ground, WA
Posts: 426
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Soda straw
Quote:
Originally Posted by turbo
larry, not sure what your trying to say.
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If one covers the top end of soda straw, one can pull it out of the drink and all the liquid will remain in the straw.
Same principle with brake bleeding. If the master cylinder is applied so it is past the compensating port (inlet to m/cyl from reservoir), then the master cylinder is no longer vented to atmosphere at top and no fluid can escape from the bottom of the braqke line. Just make sure that the brakes don't get released before the hose is reconnected to the caliper!
Let me know if this was a better explanation.
Larry |
02-11-2010, 07:43 PM
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Join Date: Jan 2005
Location: Las Vegas, NV
Posts: 488
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Interesting idea...
How about just replacing the vent cap in the master cylinder with a solid plug.. Seems that this would prevent draining of the fluid and make the job MUCH easier... 
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Terry F.
RV 7A N457RV
250 hours and lovin it! 
Southern Nevada EAA Chapter 1300 - www.eaa1300.org
Paid VAF 03/17
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02-11-2010, 09:07 PM
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Join Date: Aug 2006
Location: Battle Ground, WA
Posts: 426
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If you get a perfect seal, I think that would work well. That is too difficult w/automotive dual master cylinders, which is why travel past the compensating ports works. Think your idea would be better than mine for aircraft with multiple individual master cylinders, Terry.
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