Home » Public Forums » GMCnet » [GMCnet] Disc brake project still in failure mode
| [GMCnet] Disc brake project still in failure mode [message #282566] |
Sun, 19 July 2015 23:06  |
glwgmc
Messages: 1014
Registered: June 2004
Karma:
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Last post from me on this topic……
I think I remimber that you said you purchased the distribution valve used and wondered if it was the right one. With all the issues you habve described, my suggestion is to buy a new disk/disk 4 unit from one of the Jims and eliminate that as an issue FIRST. With that replaced with the right one, then hook up the lines correctly and bleed the brakes using a pressure bleeder. If you need a photo of the correct hookup, I will send you one if you ask. I use a stock MC with the Manny disk/disk system on the Royale with no issue. The pedal is a bit lower and a bit softer than the stock disk/drum/drum set up, but the coach stops well with moderately hard pedal. If that is not your experience, then assume something is wrong with what you have done so start over. The probability that you have a block in the hard lines is close to zero. The likelyhood that you have mush in your soft rubber lines approaches 100% from what you have descirbed. The likelyhood that you have the wrong distribution valve (the 2 variety) from the symptons you describe is close to 100%. The likelyhood that that wrong (2) valve is stuck or gunked up inside is……..
Anyway, not trying to be a smart a**, just thinking through all the help you have received and you still finding the brakes don’t work when many of us have a difference experience suggests to me that what looks right to you may not be.
Jerry
Jerry & Sharon Work
Kerby, OR
glwork@mac.com
http://jerrywork.com
78 Royale
77/94 Clasco
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Message: 7
Date: Sun, 19 Jul 2015 16:59:05 -0700
From: James Hupy
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Disc brake project still in failure mode
Message-ID:
Content-Type: text/plain; charset=UTF-8
Comes back to air in the system, compressing, allowing the spool valve to
obstruct the ports, thereby creating a pressure differential. When that
valve has equal pressure applied to both sides, it stays centered allowing
equal but separate fluid streams to go to both front and rear. If your
valve is as crude as others that I have encountered, it's possible that
there is a burr preventing the valve from centering. Just a guess, but one
worth checking out to verify.
Jim Hupy
On Jul 19, 2015 4:49 PM, "Ken Henderson" wrote:
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Jerry & Sharon Work
78 Royale
Kerby, OR
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