Struggling to lift and lower your heavy trailer door? The Conventional Ramp Door Spring design effortlessly supports the weight, making door operation smooth and injury-free. It's perfect for enclosed trailers with door widths ranging from 38" to 79", adapting to various sizes with ease.
Every trailer is unique, but this spring setup is adaptable! By sliding the bracket and cable drum, and trimming the shaft, you can tailor the system for doors from 38" to 79" wide. This customization ensures your spring setup fits perfectly, enhancing usability without compromising safety.
Built with high-quality steel, this ramp door spring system is crafted in the USA, ensuring robustness and longevity. It withstands the rigors of frequent use, providing reliable service for years, and reducing wear on your trailer door hinges.
For trailer doors weighing up to 120 lbs, this spring system delivers the necessary support without overexertion. It handles the load effortlessly, leaving you with a door that's smooth to operate without unexpected closures or lift-offs.
While the professional installation is advised, those with torsion spring experience can achieve the perfect preload tension. This ensures the spring assists exactly as needed for your specific door weight, maximizing functionality while minimizing risk.
It is recommended that only individuals who have experience winding torsion springs install this product. If you have not worked with a torsion spring system before, we recommend contacting a local garage door company to install this system.
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Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're going to take a look at the conventional single spring ramp door spring for the seven foot wide enclosed trailers. This has 120 pound weight capacity. Now you can replace your old trailer door spring with this nice heavy duty conventional ramp door spring. Application for this is seven foot wide trailers. Now this ramp door spring lets you easily lift and lower the door on your enclosed trailer without the risk of injury because it'll help take on the weight of the trailer doors so that you don't have to. This spring will help reduce wear, helps prevent damage to the door hinges.
And if you notice on each end they have the cable drums that the cable goes around, those cable drums are marked, they have a right hand on this side and a left hand marking on this side. So when you do go to install this, the right hand drum should be on the curb side of the trailer and the left hand side should be on the road side or driver's side.This is a nice sturdy steel construction. It is made in the USA. It does include everything shown here, includes the galvanized cable with the quarter inch nylon eyes on each end, the brackets, and a nice set of detailed instructions. Now just a warning on the installation, it is recommended that only individuals who have experienced winding these torsion springs should install this product cause winding.
These Springs can be very dangerous if you're not familiar with the procedure, so if you've not worked with a torsion spring system before, we do recommend contacting your local garage door company to install this system. Also, I did want to mention that if you do have a smaller width trailer that's less than seven foot with a heavy door and you'd like to use this higher capacity spring for that application, this can be modified by cutting the shaft to a shorter length and then adjusting the bracket and the cable drum on the end to the smaller width that's needed.You can see there's two screws here that hold the cable drum in place. If they are loosened, this whole bracket and the drum will slide to whatever with you would need and then just cut off the remainder. So it can be adjusted. I'm just going to go ahead and put it back out to seven foot wide trailers because we're going to give you some dimensions here.
So basically when this is mounted in this position for seven foot trailers, overall width on it is going to be 77 inches wide. The depth on it, which will be measured from where this mounts to your trailer to the back here is going to be seven and a half inches deep. And the overall height on it is about 4 7/8 inches tall. And the spring capacity we did mention is 120 pounds. But that should do it for the review on the conventional single spring ramp door spring for the seven foot wide enclosed trailers..
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