Re: [Chrysler300] 4 Post Lifts - Warning

[dnkjones@xxxxxxxxxx]

I have had a four post lift by Eagle Equipment of Massachussetts since 1997.  
It is hydraulic but similar in concept to what you describe.  I have 'missed' 
the stop on one post a couple of times when setting the height and indeed the 
lift goes crooked but can't collapse due to the fact that the cables are still 
suspending it.  I now make it a point to lower onto the stops very slowly to 
confirm all four pawls hit the stop as intended.  No other issues to report 
and I am very pleased with it.

Cheers,
Doug Jones
Boulder Creek CA a bit windward from Jett Ranch

> 
> Jeff,
> I have a four post lift made by "Stinger". Made in USA.  I just checked and 
they do not
have the same construction you have described with pins that could wear 
through. The cross
members are welded to blocks inside the posts. (No pins whatsoever.)
> 
> The lift is raised and lowered by hydraulics, a huge piston cylinder that is 
connected to
the four cables, one to each post, and powered by electric motor.  When at 
rest at desired
height, the crossmembers rest on blocks welded to the posts and the cable 
tensions are
just a little slack when you relieve the hydraulic pressure.
> 
> BUT, I would think that if there were a failure with the blocks, the cables 
connected to
the hydraulic  piston would hold the set-up from complete collapse.  At least 
that's what
I hope would happen if I had a failure somewhere in the construction. Of 
course if one
corner goes, maybe the cables won't equalize or catch evenly and down comes 
baby.
> Was yours hydraulic with cables?
> 
> Mine are 7 years old and without a problem so far. Fingers crossed.!
> John Cote
> CT.
> 
> 
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