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Old 04-07-2014, 11:26 AM   #1
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Brakes activate on their own

Doing our shakedown for the season. With about five or ten miles to go I noticed that I couldn't maintain speed. Then everything was fine and then it happened again. Thought it was do to some engine problems I've been having. Got to our destination and could smell the brakes. Wheels were hot. (all four of them). Got out and noticed that you could hear the acuator engaging on its own for about fifteen seconds then stopping. This continued even after shutting down the engine. Pulled the lever in the Prodigy and it stopped engaging by itself.

Any ideas? Got about ninety mile drive to get to the dealership.
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Old 04-07-2014, 11:37 AM   #2
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Originally Posted by Woosch View Post
Doing our shakedown for the season. With about five or ten miles to go I noticed that I couldn't maintain speed. Then everything was fine and then it happened again. Thought it was do to some engine problems I've been having. Got to our destination and could smell the brakes. Wheels were hot. (all four of them). Got out and noticed that you could hear the acuator engaging on its own for about fifteen seconds then stopping. This continued even after shutting down the engine. Pulled the lever in the Prodigy and it stopped engaging by itself.

Any ideas? Got about ninety mile drive to get to the dealership.
From your description, sounds like the brake controller has a mind of it's own, but all BAD.

Replacing the controller should fix the issue.

Andy
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Old 04-07-2014, 11:51 AM   #3
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Or it could be a bad actuator. What actuator do you have?

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Old 04-07-2014, 12:09 PM   #4
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The first thing I would do is put a volt meter across the output wire of the controller and try to reproduce the effect.

If it happens again and there is no voltage showing on the meter it is in the Actuator. Voltage it is in the Controller.

Depending on the length of time and amount of force the brakes were applying you might consider removing one or two of the brake drums and inspect the spindles and bearings for color and the bearing grease. Heat can cause some problems in that area.
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Old 04-07-2014, 05:27 PM   #5
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HowieE, I think he has E over H discs. Weren't they standard on Classics in '07?
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Old 04-07-2014, 05:32 PM   #6
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Yes from his description I assume he has el/hy.

My comments were to determine where the problem is before just changing out things.
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Old 04-07-2014, 06:07 PM   #7
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Brakes activate on their own

Check the break away switch too.

It isn't uncommon for the ends of the plastic insert to break or wear away.
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Old 04-07-2014, 07:08 PM   #8
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Actibrake acuator. Hydraulic over electric. Checked the wiring to the breakaway switch and it looked fine. Really out of my league for inspecting brake systems. May need to get someone to come at look at it.
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Old 04-07-2014, 07:20 PM   #9
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Was your ActiBrake inspected as a part of the actuator recall? The grey plastic rectangular was the recalled version.
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Old 04-07-2014, 07:39 PM   #10
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Brakes activate on their own

FWIW if the need arises, through much trial and error I found the Dexter hyd actuator to be the most reliable and durable over the long term.
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Old 04-07-2014, 09:32 PM   #11
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Go to Hydraulic mode on controller

Check to see if your controller is in the Hydraulic mode. If it is in the electric drum mode, it will continually cycle on every 15 seconds or so. Set it to Hydraulic mode and see if that helps. (been there, done that)
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Old 04-08-2014, 10:44 AM   #12
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Actibrake was inspected. The unit is in hydraulic mode.

Thanks to everyone who has contributed. We REALLY appreciate the input.
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Old 04-08-2014, 11:08 AM   #13
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I have seen this on the Actibrake units. The brakes will apply, and sometimes not release until the wires to the actuator are cut.
Since Actibrake is out of business, the fix is to replace the actuator with another brand.
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Old 04-08-2014, 11:15 AM   #14
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I use and highly recommend the Carlisle 1600 brake actuator.
It has given me 150000 trouble free miles split between my 2 Airstreams.
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