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Open Roads Forum  >  Tech Issues

 > Awning working backwards after fabric replacement

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dougrainer

Carrolton, Texas

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Posted: 08/29/21 09:38am Link  |  Quote  |  Print  |  Notify Moderator

Carole Burgess wrote:

The awning worked fine, nice and smooth up and down prior to fabric removal. The rig is a '94 Itasca Sunrise, 29'. I'm winding extended with 14 turns. I am wondering if something has gone off in the gear/lock mechanism...
Seann


I think you may be correct. Doug

wnjj

Cornelius, Oregon

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Posted: 08/29/21 10:11am Link  |  Quote  |  Print  |  Notify Moderator

When you are winding the springs I assume you feel the tension building? I don’t see how you can wind a spring and not have the tube try build tension in the same direction. The cog mechanism can prevent it from turning but not make it try to turn the opposite direction.

At what point does the roll stop resisting as you are winding the spring and start trying to “help”?

Seann12

Markdale

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Posted: 08/29/21 02:47pm Link  |  Quote  |  Print  |  Notify Moderator

I don't know what you're really asking about "help"...tension builds as you wind on more turns...

wnjj

Cornelius, Oregon

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Posted: 08/29/21 09:23pm Link  |  Quote  |  Print  |  Notify Moderator

Seann12 wrote:

I don't know what you're really asking about "help"...tension builds as you wind on more turns...

By “help” I mean that the roll wants to unroll under spring pressure so it stops fighting against you winding it up. If it’s building tension, how could the roll not want to roll up the awning to relieve the tension?

If you are working to wind the spring CCW on the front arm (presumably by rotating the end of the internal shaft with a vice-grip) this should make the roll want to also turn CCW to “chase after” the shaft you are winding up. If the awning is wrapped over the top, this should make it roll up not unroll.

Put another way: When you tension the springs you are essentially just rolling up the awning, but with a spring in between you and the roll. You are winding them in the same direction as the roll needs to wind up. Im struggling to see how that can possibly create tension that wants to unwind it.

I know you said you tensioned the front CCW and the rear CW and even tried them the opposite with the same result. The only way I can imaging that happening is if you wound one end correctly and the other backward. That would result in an awning that just sits there until you force roll it up. Once you do that, the “backward” wound spring would certainly be tighter and try to unroll it again. Make sure on each end that you’re turning the shaft in the direction that would want to roll up the fabric.

* This post was edited 08/29/21 09:30pm by wnjj *

Seann12

Markdale

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Posted: 08/31/21 10:08am Link  |  Quote  |  Print  |  Notify Moderator

OK, started over and we've got it working...looks like lack of tension was confusing us all along. We did it right the first time but possibly because it had a VERY light fabric on it before, we ended up putting 21 turns on the new heavier fabric for it to roll up. Even then, it needs a little help to get going. Thanks for all the suggestions, I think now replacing the tired old springs would help, but it's functioning.
Thanks again,
Seann

dougrainer

Carrolton, Texas

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Posted: 08/31/21 11:32am Link  |  Quote  |  Print  |  Notify Moderator

Seann12 wrote:

OK, started over and we've got it working...looks like lack of tension was confusing us all along. We did it right the first time but possibly because it had a VERY light fabric on it before, we ended up putting 21 turns on the new heavier fabric for it to roll up. Even then, it needs a little help to get going. Thanks for all the suggestions, I think now replacing the tired old springs would help, but it's functioning.
Thanks again,
Seann


Thank YOU. It is always nice for the OP to let us know what fixed the problem. Doug

2 many 2

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Posted: 08/31/21 11:40am Link  |  Quote  |  Print  |  Notify Moderator

"Thank YOU. It is always nice for the OP to let us know what fixed the problem. Doug"

X2

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