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To determine the correct weight springs you will need a scale to determine how much weight is on the door when it lays out on the ground. You will place the scale on the ground in the center of the landing path of the door edge. This will tell you…
view full answer...If the weight you would be lifting is the weight of 80 lbs then yes you'd only need the part #M384FR to help lift it. This would have enough capacity and could be wound to basically make the ramp feel like its very light.
view full answer...To test the weight of your ramp door, you will want to get the door all the way down to the ground and then on a scale of some kind (a bathroom scale can be used for this if it's the only thing available). This will be when the door is at…
view full answer...I was able to get the height for you of the mounting brackets for the Conventional Ramp Door Spring for 8' Wide Enclosed Trailer #M394FR. Overall, the height is 6-1/4 inches, and from the top of the opening where the spring's shaft…
view full answer...The cables with the Conventional Ramp Door Springs like part #M394FR are attached to the door via anchor brackets which are included with the kit. I have attached below the excerpt from the install instructions below which goes over the cable…
view full answer...Hey Lou, so the install of the Conventional Ramp Door Spring part #362SA7218 is something that should be done by someone who has experience winding garage springs. The amount of turns or preload will be the amount that gives you the correct amount…
view full answer...I believe you're referring to the #RS16933LH spring, is that correct? These springs aren't meant for an enclosed trailer with a ramp door, they're meant for the very heavy steel ramps you'd typically see on the back of a trailer used…
view full answer...For your cargo trailer with a 94" wide door that weighs about 140lbs you'll need to go with the Conventional Ramp Door Spring #362SA8207. This is designed for doors your size, and has a 150lb capacity which will be perfect for your door…
view full answer...Are you wanting to do a torsion style spring that fits above the door like most toy haulers? Do you know how wide the door is and about how heavy the door is? Typically an 8 foot wide ramp spring like the part #M354FR is what you'd want as this…
view full answer...The Replacement M-3 Universal Mounting Kit for Conventional Ramp Door Springs #M389FR is the only way to get the bushings/bearings. Unfortunately, they are not sold individually. This comes with the mounting bracket, bearing, and football bearing…
view full answer...The Curt #C13900 is width adjustable, determined by where the bolts are installed in the crossbar of the hitch. If the hitch is assembled in its narrowest orientation as explained on page 3 of the linked instructions, it'll fit on frames that are…
view full answer...Our ramp door hinge selection is limited to just part #PLR1902, which can be welded in place. As for the springs, we have a bit of a selection that you can narrow down depending on the width of the ramp door and the capacity needed. For example, part…
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