Can I Use the Conventional Ramp Door Spring on a Trailer that Doesn't Have a Spring?

Question

Question:

Can this product work on and avenger 5x12 enclosed trailer that never had spring assist? Or does the trailer have to have spring assist to be able to install one. My trailer is a manual put up and down.

asked by: Jacob B

1

Helpful Expert Reply:

Yes, it will. You can add the Conventional Ramp Door Spring for 5' Wide Enclosed Trailer item # 362SA5 to your enclosed trailer even though it didn't come with one. This fits a 32" to 56" wide trailer door. It measures 56" wide x 4-7/8" tall x 7-1/2" deep and has a 85 lbs capacity.

expert reply by: Jerred H

1

Answer 1

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…

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Answer 2

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…

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Answer 3

An Enclosed Trailer Ramp Spring, like part #362SA4, can be cut down to fit 23-3/4" to 43-3/8" doors. Ramp Spring #362SA5 can fit 31-5/8" to 55-1/2" inch doors. They are customizable to fit the space available in your trailer as…

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Answer 4

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 5

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 its…

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Answer 6

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 of…

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Answer 7

We have both single and dual ramp spring sets and form my understanding it has more to do with the weight capacity than anything else. For your 85 lb ramp we have the Single Spring #362SA5 that fits a 5' wide enclosed trailer. Aside from that I…

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Answer 8

That's a really good question and I do apologize for confusion on that. But the reason instructions aren't included with the Conventional ramp door spring part #362SA4 is because they aren't intended for the DIYer to install. It is…

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Answer 9

Normally the trailer ramp springs like the #362SA5 attach to the inside of the top of a trailer door like the picture I attached shows. In the picture you can also see how it attaches to the ramp as well.

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Answer 10

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.

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Answer 11

The controller would need to be hardwired to your C5500 motorhome as it would not have a harness under the dash using our Brake Controller Installation Kit, part #ETBC7. Due to the fact that your motorhome is longer than the usual passenger vehicle,…

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Can I Use the Conventional Ramp Door Spring on a Trailer that Doesn't Have a Spring?

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