LM3800 with 12* radius

[DezRanger]

Does the liftmaster 3800 have issues with 12* radius. Any tips for installing on a 7' garage door?

 

[Rockcam]

Dez-

At my old house, the garage door was about 5'6" high - perfect for model T's but not great for a Jeep Wrangler.

We were able to reframe the opening to a 7' door and used the 3800 for the same reasons you may be looking at it.

Loved it so much that I am using a couple of them on our new build as well.

 

[Jdtaylor65]

I have two of them mounted on the overheads in my pole barn on 12" radius. They work fine.

 

[DezRanger]

Awesome Thx guys!

 

[Cryptic1911]

They just pull straight up from the bottom panel, so the radius shouldn't matter as far as I know. I would say as long as the tension is set proper for the door, and the rollers don't bind in the track, you should have no problems

 

[KPSquared]

For whatever reason, they do reccomend having a 15" radius bend in the instruction manual but I've seen several guys on here with 12" that seem to be just fine.

I ordered my doors with 15" bends just for this reason. Gonna get them installed hopefully soon. . .

 

[pattenp]

For whatever reason, they do reccomend having a 15" radius bend in the instruction manual but I've seen several guys on here with 12" that seem to be just fine.

I ordered my doors with 15" bends just for this reason. Gonna get them installed hopefully soon. . .

I've installed a few LM3800's and I don't recall 15" radius bends being recommended in the instructions. All the doors I've done have 12".

 

[AndyL]

Keeps a little more weight on the cables... I've used them on double track rear mounts - if the doors setup right, they'll run (before the door guys ask - you can PM me, yes you can reverse the rotation) and 32" radius... The opener doesn't know the difference...

Although the 3 section 7' high doors in 10" radius, with a 3800 is definitely not recommended...