I thought that it was the consensus of the List that the PDWA did not shut
> off the offending part of the braking system when tripped
I don't recall that the list reached that concensus...actually Dave Massey
is the only one that I've heard say that ;)
My experience was that my brakes improved once I centered the PDWA. So I'd
agree with what you read on the VTR website.
And you can center it much easier by pulling the switch and using a sharp
instrument to move it to the center position.
Bud Rolofson
71TR6 CC57365 (Good 6)
66TR4A CTC57806 (The Wreck-Almost Parts)
66TR4A CTC57529 (The Project)
----- Original Message -----
From: "Woods, Ed" <Ed.Woods@Gen-World.com>
To: <triumphs@autox.team.net>
Sent: Thursday, June 27, 2002 12:18 PM
Subject: PDWA
> Listers,
>
> I thought that it was the consensus of the List that the PDWA did not shut
> off the offending part of the braking system when tripped; that it is only
a
> device to give an electrical warning. Then I found the following on the
VTR
> website.
>
> What gives??
>
> "Front or Rear brakes bled, but no luck at other end
> Your Pressure Differential Warning Actuator (PDWA) may be
tripped.
> This would close off either the front or back hydraulic circuit and leave
> the other
> functional. It's easy to trip this when bleeding the brakes. If
> this is your problem, the brake warning light will glow brightly when the
> ignition is turned on.
> (Unless of course your brake warning light switch or bulb is not
> working...)
>
> If the PDWA is tripped, the shuttle in the PDWA can be
re-centered
> by the following procedure:
> Open a bleed nipple on the brake system that does work.
> With the ignition switch on, observe the brake warning
light.
> Press on the brake pedal carefully and watch the light. It and the oil
> pressure light
> should dim as the switch centralizes. You should also hear
a
> click. Do not press too much or too fast, or the switch goes past center.
> Just keep
> repeating the proceedure until it works, varying the
> wheel/brake circut until you figure out which way the switch was on.
> If the above absolutely does not work for you, the PDWA can be
> mechanically recentered, but is more difficult, involving partial
> disassembly of the
> PDWA unit. "
>
> Ed Woods
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