[Spridgets] Brake Proportioning Valve Connections

Guy R Day grday at btinternet.com
Sat Sep 15 16:09:29 MDT 2007


in rear     in front
MC             MC
 |________|____  Out to front left hand side thru end plug & washer
 |                  |
out to       out to
rear          front right hand side


Thanks for the idea Chris.

The shuttle switch is located in the one that comes out towards you


Mark,
Do you need the continuation pages?  If so I'll send them on.

GRD

When I sent it before the text wrapped round spoiling the diagram.  Sorry

----- Original Message ----- 
From: "Chris King" <cbking at alum.rpi.edu>
To: <haynes386 at netzero.net>
Cc: <spridgets at autox.team.net>
Sent: Saturday, September 15, 2007 1:49 PM
Subject: Re: [Spridgets] Brake Proportioning Valve Connections


> Mark,
> 
> If you look at your PDWA (Pressure Differential Warning Activator) like
> this:
> 
> |__|_
> |   |
> 
> The left hand connections go to the rear brakes, and the right hand
> connections (all 3) go to the front brakes. Top Left is Rear brakes from
> the MC, bottom left is the line that runs to the rear axle. Top right is
> the the front brakes from the MC, and the other two lines go to the left
> and right front wheels.
> 
> This doesn't to any proportioning. Rather, there's a shuttle inside that
> senses if there's a loss in pressure in either the front or the rear
> brakes, and if so lights a light on the dash to tell you it's time to
> change your undershorts!
> 
> HTH
> 
> -=Chris
> Chris King
> http://home.comcast.net/~kvcbk/ 
> 
> <-----Original Message----->
> 
>    From: M [haynes386 at netzero.net]
> Sent: 9/14/2007 11:19:32 AM
> To: spridgets at autox.team.net
> Subject: [Spridgets] Brake Proportioning Valve Connections 
> 
> Oh most learned ones, 
> I've been upgrading the brakes on my '62 to include not only the front
> discs, 
> but the dual line master cylinder form the '67 on Sprites. I've got the 
> proportioning valve and the lines, but am unsure as to which line goes
> where 
> on the master, and which go to the front brakes. There are 5 ports, two
> of 
> which are larger in thread size than the rest- these two go to the
> master. The 
> question comes from these two ports being opposed (across the piston) to
> one 
> another. Does the proportioning valve work side to side (rather than end
> to 
> end)? That makes no sense to me. Can anyone solve my dilemma? 
> 
> Mark Haynes 
> '62 AN6L17792-without brakes!!! 
> _____________________________________________________________ 
> _______________________________________________
> grday at btinternet.com
> 
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> 
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