Anyone using Happijac 4800 jacks?
I need to replace one jack. It's bent just enough that it's pulling a lot of current, and sometime blows the fuse for the right side. The jack works great with a hand crank but I want all 4 to work w...
Forum Discussion
Super_Dave wrote:
After reading the info in 54suds link, I think that I would personally stay with the ball screw for the mere reason that I could drop the jacks to the ground without power. The acme sounds like it needs power to do anything to overcome friction.
ACME screw jacks work awesome and do not need power to go up or down. Had one on a custom fabricated motorcycle lift on the back of our previous RV. Worked flawlessly. Going down was easier but raising the lift with the motorcycle on it was not difficult to do manually. I used an old drill brace to keep the noise down when camping.
The fella who built it was the same jack the marina's use to lift boats out of the water (one jack at each of the four corners).
