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Old 12-06-2015, 07:32 PM   #1
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Free-Backing Drums

Anyone know if a 2011 Jay Series 1007 has free-backing drums?
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Old 12-07-2015, 03:00 PM   #2
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Please define "free-backing drums" to Google, it's a musical term.
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Old 12-07-2015, 06:29 PM   #3
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Anyone know if a 2011 Jay Series 1007 has free-backing drums?
I found a reference or two on the net that free backing drums are a braking system that somehow pushes the front shoe out of contact with the drum so that a backing movement is not impeded by that shoe.

I don't know it the brakes on your trailer are specifically free-backing. However, I can say that in my experience and reading of RV questions, i have never heard of a trailer having difficulity backing up due to the brakes somehow automatically applying when backing up.
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Old 12-07-2015, 07:12 PM   #4
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It uses a hydraulic surge coupler that activates the brakes whenever the trailer force is applied to the coupler. As you press the brake, the trailer momentum moves forward and engages the coupler and activates the trailer brakes. This same action also results when you are backing a trailer with hydraulic surge coupler. Most hydraulic surge couplers use a reverse backup solenoid that doesn't allow fluid pressure to activate the brakes when backing. The alternative to a solenoid is using free-backing drums. Im trying to find out if I already have the free-backing drum brakes or if I need to purchase a solenoid. Guess I will just have to pull the wheel off and check.
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Old 12-07-2015, 07:20 PM   #5
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Sometimes a brake controller will make the brakes kind of grabby on backup. Simply unplug the brake controller when backing, and you won't need free backing brakes. And to answer your question, I'm pretty sure there are no Jaycos with free backing brakes as an option.

Jayco brakes are electric, not hydraulic. And in my opinion, you don't need to spend any money on solenoids. Just disconnect the controller when backing up.
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Old 12-07-2015, 07:48 PM   #6
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If the trailer really has surge brakes, it most likely has free backing drum brakes, it was the most common style used on surge brake trailers. If it does not, it would already have a electric lock out solenoid installed, or the hitch itself would have a mechanical device installed that you would engage when backing up.
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Old 12-07-2015, 08:51 PM   #7
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Thanks, navman28; you taught me something new about how surge brakes could cause backing issues.
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Old 12-08-2015, 01:17 AM   #8
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Jayco brakes are electric, not hydraulic. And in my opinion, you don't need to spend any money on solenoids. Just disconnect the controller when backing up.
Incorrect, when I ordered my 2012 PUP I had the option of either surge hydraulic brakes or electric brakes.. Maybe they only offered hydraulic brakes on the PUP's, but it was an option from Jayco.
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Old 12-08-2015, 04:59 AM   #9
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Incorrect, when I ordered my 2012 PUP I had the option of either surge hydraulic brakes or electric brakes.. Maybe they only offered hydraulic brakes on the PUP's, but it was an option from Jayco.
I stand corrected. Thanks, Skaling!
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Old 12-08-2015, 10:01 AM   #10
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Thanks everyone. I was asking only because Im mostly sure they are free-backing as I have backed it without the mechanical lockout engaged (didn't remember about it until it was already backed in the garage. Oops!) But while backing I didn't notice any tire lockup. But with a diesel, I might have been just pushing it even if they were locked. But it got me thinking that the mechanical lockout is a big PITA to engage every time and im hoping they are free backing so I don't ever have to worry about the lockout.
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