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Old 06-24-2010, 02:57 PM   #1
Robert Simpson
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Question Brake Pressure Switch

I am looking for a p# for the adjustable brake pressure switch that many are using in stock for there two step. I was told that Grainger sell a switch, that people are using, but I need a part #.

Thanks.

Robert
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Old 06-24-2010, 03:19 PM   #2
ron mattson
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Default Re: Brake Pressure Switch

go to whitmancontrols.com they have what you need.
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Old 06-24-2010, 03:21 PM   #3
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Default Re: Brake Pressure Switch

Robert
Is that legal??
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Old 06-24-2010, 05:13 PM   #4
Tony Curcio
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Default Re: Brake Pressure Switch

It is absolutely, positively, 100% legal. I showed the whole setup to Div. 1 tech man Ryck Campbell last year, or maybe the year before.

There seems to be a persistent belief that adjusting the pressure can act as a delay. Low pressure can indeed delay the rev-limiting function shut off, but the wheels will start turning as soon as the brake pressure gets below a certain point, regardless of whether the switch is still closed. The point of doing this is to get the 2 step switch open quickly and consistently, which requires getting the switch off before the wheels turn.

Robert- I'll get the part number when I get back to the garage this weekend.
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Old 06-24-2010, 09:35 PM   #5
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Default Re: Brake Pressure Switch

Here is a part number I got from from Alf Wiebe for a pressure switch he uses. It is a switch from GEMS Sensors. 209506. Here is a link to the switch on their web site:

http://www.gemssensors.com/CartAdd.a...tNumber=209506
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Old 06-25-2010, 05:26 AM   #6
Robert Simpson
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Default Re: Brake Pressure Switch

Thanks for the p#'s. Chad that is what I am looking for. Tony, I would appreciate the p# of the switch you use. I also have some questions about your set up. Thanks to all.

Mexjoe, yes it is legal.

Robert
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Old 06-25-2010, 03:52 PM   #7
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Unhappy Re: Brake Pressure Switch

Quote:
Originally Posted by Robert Simpson View Post
Thanks for the p#'s. Chad that is what I am looking for. Tony, I would appreciate the p# of the switch you use. I also have some questions about your set up. Thanks to all.

Mexjoe, yes it is legal.
Mexjoe, yes it is legal.
Robert
That's too bad...
I moved from bracket racing years ago,
just to get away from electronics
and delay devices?
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Old 06-25-2010, 03:57 PM   #8
Alan Roehrich
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Default Re: Brake Pressure Switch

A pressure switch used to activate and deactivate a two step is not a delay device.

If I were going to use a pressure switch, I'd also use a brake pressure gauge when staging.
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Old 06-25-2010, 09:03 PM   #9
Robert Simpson
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Default Re: Brake Pressure Switch

Quote:
Originally Posted by 67ss View Post
Here is a part number I got from from Alf Wiebe for a pressure switch he uses. It is a switch from GEMS Sensors. 209506. Here is a link to the switch on their web site:

http://www.gemssensors.com/CartAdd.a...tNumber=209506
Chad, you have a PM.
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