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Ernie
Joined: 11 Jan 2006
Posts: 513
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 Posted: Sun Aug 02, 2015 7:21 am Post subject: How does a QS-2 work? |
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Today I had a problem with my brakes. I could only make right turns, so I figured the QS-2 valve. I took it apart and found that one side's plunger had a small tear in the rubber shroud (for lack of a better description). So hopefully a rebuild kit exists and I'll order it.
But then I got to thinking since I've never opened one of these up before. How does the thing work??? Only being able to make right turns means that my left wheel won't dump air and stays locked.
But looking in the QS-2 I couldn't figure out how a torn rubber plunger would keep air from leaving the brake. I looked at the exploded view in the overhaul manual, but to be quite honest, I suck at reading mechanical drawings. I can't distinguish a moving part from the housing.
Can someone explain to me how this thing works.
Thanks
Ernie
[quote][b]
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dsavarese0812(at)bellsout
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| Posted: Sun Aug 02, 2015 2:05 pm Post subject: How does a QS-2 work? |
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Doug has the rebuild kits for them. Relatively easy to overhaul.
Dennis
From: Ernest Martinez <erniel29(at)gmail.com>
To: yak-list <yak-list(at)matronics.com>
Sent: Sunday, August 2, 2015 10:18 AM
Subject: How does a QS-2 work?
Today I had a problem with my brakes. I could only make right turns, so I figured the QS-2 valve. I took it apart and found that one side's plunger had a small tear in the rubber shroud (for lack of a better description). So hopefully a rebuild kit exists and I'll order it.
But then I got to thinking since I've never opened one of these up before. How does the thing work??? Only being able to make right turns means that my left wheel won't dump air and stays locked.
But looking in the QS-2 I couldn't figure out how a torn rubber plunger would keep air from leaving the brake. I looked at the exploded view in the overhaul manual, but to be quite honest, I suck at reading mechanical drawings. I can't distinguish a moving part from the housing.
Can someone explain to me how this thing works.
Thanks
Ernie
[quote]
ronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-List
matronics.com/">http://forums.matronics.com
ronics.com/contribution">http://www.matronics.com/contribution
[b]
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dsavarese0812(at)bellsout
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| Posted: Sun Aug 02, 2015 2:06 pm Post subject: How does a QS-2 work? |
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The left wheel could not be locked because if it was, you would always make left turns. The valve/seals for the left side are leaking.
Dennis
From: Ernest Martinez <erniel29(at)gmail.com>
To: yak-list <yak-list(at)matronics.com>
Sent: Sunday, August 2, 2015 10:18 AM
Subject: How does a QS-2 work?
Today I had a problem with my brakes. I could only make right turns, so I figured the QS-2 valve. I took it apart and found that one side's plunger had a small tear in the rubber shroud (for lack of a better description). So hopefully a rebuild kit exists and I'll order it.
But then I got to thinking since I've never opened one of these up before. How does the thing work??? Only being able to make right turns means that my left wheel won't dump air and stays locked.
But looking in the QS-2 I couldn't figure out how a torn rubber plunger would keep air from leaving the brake. I looked at the exploded view in the overhaul manual, but to be quite honest, I suck at reading mechanical drawings. I can't distinguish a moving part from the housing.
Can someone explain to me how this thing works.
Thanks
Ernie
[quote]
ronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-List
matronics.com/">http://forums.matronics.com
ronics.com/contribution">http://www.matronics.com/contribution
[b]
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Ernie
Joined: 11 Jan 2006
Posts: 513
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| Posted: Sun Aug 02, 2015 2:42 pm Post subject: How does a QS-2 work? |
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Yes, it is very easy, and I've got a request into Doug. My question still remains however, how does the thing actually work?
On Sun, Aug 2, 2015 at 6:03 PM, A. Dennis Savarese <dsavarese0812(at)bellsouth.net (dsavarese0812(at)bellsouth.net)> wrote:
[quote]The left wheel could not be locked because if it was, you would always make left turns. The valve/seals for the left side are leaking.
Dennis
From: Ernest Martinez <erniel29(at)gmail.com (erniel29(at)gmail.com)>
To: yak-list <yak-list(at)matronics.com (yak-list(at)matronics.com)>
Sent: Sunday, August 2, 2015 10:18 AM
Subject: How does a QS-2 work?
Today I had a problem with my brakes. I could only make right turns, so I figured the QS-2 valve. I took it apart and found that one side's plunger had a small tear in the rubber shroud (for lack of a better description). So hopefully a rebuild kit exists and I'll order it.
But then I got to thinking since I've never opened one of these up before. How does the thing work??? Only being able to make right turns means that my left wheel won't dump air and stays locked.
But looking in the QS-2 I couldn't figure out how a torn rubber plunger would keep air from leaving the brake. I looked at the exploded view in the overhaul manual, but to be quite honest, I suck at reading mechanical drawings. I can't distinguish a moving part from the housing.
Can someone explain to me how this thing works.
Thanks
Ernie
| Quote: |
et="_blank">http://www.matronics.com/Navigator?Yak-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
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threein60(at)yahoo.com
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| Posted: Mon Aug 03, 2015 8:29 am Post subject: How does a QS-2 work? |
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Shuttles air to and from the appropriate wheel. In your case, most likely the air is leaking on one side and not passing it to the selected wheel.
Short answer...
Sent from Yahoo Mail on Android From:"Ernest Martinez" <erniel29(at)gmail.com>
Date:Sun, Aug 2, 2015 at 15:49
Subject:Re: How does a QS-2 work?
Yes, it is very easy, and I've got a request into Doug. My question still remains however, how does the thing actually work?
On Sun, Aug 2, 2015 at 6:03 PM, A. Dennis Savarese <[url=javascript:return]dsavarese0812(at)bellsouth.net[/url]> wrote:
| Quote: | The left wheel could not be locked because if it was, you would always make left turns. The valve/seals for the left side are leaking.
Dennis
From: Ernest Martinez <[url=javascript:return]erniel29(at)gmail.com[/url]>
To: yak-list <[url=javascript:return]yak-list(at)matronics.com[/url]>
Sent: Sunday, August 2, 2015 10:18 AM
Subject: Yak-List: How does a QS-2 work?
Today I had a problem with my brakes. I could only make right turns, so I figured the QS-2 valve. I took it apart and found that one side's plunger had a small tear in the rubber shroud (for lack of a better description). So hopefully a rebuild kit exists and I'll order it.
But then I got to thinking since I've never opened one of these up before. How does the thing work??? Only being able to make right turns means that my left wheel won't dump air and stays locked.
But looking in the QS-2 I couldn't figure out how a torn rubber plunger would keep air from leaving the brake. I looked at the exploded view in the overhaul manual, but to be quite honest, I suck at reading mechanical drawings. I can't distinguish a moving part from the housing.
Can someone explain to me how this thing works.
Thanks
Ernie
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et="_blank">http://www.matronics.com/Navigator?Yak-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
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