The torsion springs on our trailer door need adjustment.
Cargo trailer door spring tension.
Recently our polar pj trailer hybrid snowmobile trailer polar sport enclosed trailer had a stuck door it would not pull open either it was frozen or ja.
Rollup door spring tension.
The door is very hard to open but also hard to close.
We will advise you on proper placement of cable anchor bracket and number of turns for safe proper operation so spring is not over stressed.
The ends of torsional springs are known as legs for the wire on the end coils sticks out as if it were a lever.
Down on the floor is a plug for the hole that you need to pull out.
This tension chart has been developed by cargo systems inc.
Ask for the original contact cargo systems at.
The mounting bracket has two 3 8 holes that allow the installer to bolt the spring to the rear header.
5 and 6 wide 1 wheel 1 spring.
Unit is completely assembled cables sold separately.
With an enclosed trailer ramp spring ers120d81 when the door is lowered it will pull the cables which will turn the pulleys and put tension on the springs.
Recommended enclosed trailer.
The overhead ramp door spring system is designed for enclosed trailers.
Closest to the cargo door down low taped to the existing wiring is the plug connector for the trailer.
Ramp door spring assist overhead.
How to adjust the spring on a cargo trailer door.
The springs used for trailer ramps doors hatches gates and lids are torsion springs.
Sizes range from assists for 5 wide trailers to 8 5 wide trailers.
All mounting hardware included except for mounting bolts.
8 and 8 5 wide 2 wheel 2 spring.
7 wide 2 wheel 1 spring.
When you put your wiring through connect.
The cables could not be detached with the ramp door lowered because the springs would suddenly lose tension and they could break and that is very dangerous.
Single spring 96 2 x 60 lbs.
Overhead mounted spring assists allow easier closure of trailer ramp doors.
And only applies to cargo systems and ramp heister spring assemblies.
I recommend having a garage door company take a look at it to determine if anything can be done to fix the existing system or if a new system is needed.
Posted by anonymous on may 18 2012.
The the torsion spring legs are what allow for your gate ramp door hatch.
