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Old 06-25-2014, 09:45 PM   #1
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Assume the Automatic Brake Engages....

Lets say for whatever reason, the automatic brake on your AS engages and the trailer and your TV come to a stop. What then? How does one dis-engage the brake and will the trailer move afterwards. If someone knows how this works, please advise. Thanks.
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Old 06-25-2014, 10:41 PM   #2
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Originally Posted by pappy19 View Post
Lets say for whatever reason, the automatic brake on your AS engages and the trailer and your TV come to a stop. What then? How does one dis-engage the brake and will the trailer move afterwards. If someone knows how this works, please advise. Thanks.
When you move forward the electric brake controller releases the trailer brakes (forward motion sensed by the controller). If it's surge brakes, forward movement takes the pressure off the trailer master cylinder.

If you're talking about the break-away cable, then you'd have to replace the plug in the break-away control on the tongue to release them. If it's surge brakes you have to release the tension on the break-away cable.
(small clip on the cable keeps the brakes engaged)
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Old 06-25-2014, 11:13 PM   #3
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Hopefully you did something pretty quickly... if it was the breakaway switch it's a race betweeen running down the battery and burning out a magnet.

If the brakes are still locked after you cut power to the magnets, backing up a bit should release the shoes.
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Old 06-26-2014, 03:59 AM   #4
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I have had to cut the electric wire in one case where someone pulled the breakaway switch plug and we couldn't get it back in right away. Figured it was easier to repair a wire than to rebuild brakes and buy a new battery.

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Old 06-26-2014, 07:07 AM   #5
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If it is the breakaway switch just push it back in. Jim
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Old 06-26-2014, 07:12 AM   #6
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Pappy, if you have disc brakes, don't worry about speed of putting the pin back in. (Assuming Actibrake is still on AS). The pump runs for 20 seconds then shuts off. The system holds hydraulic pressure until bled off, then the pump will run for another 20 seconds. If you've replaced the actuator, check by pulling the breakaway pin. If you have electric drum brakes, then heed above posts.

In an emergency, you can cut one of the wires on hydraulic as well to release....or put the pin back in.
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