Its hard to judge how hard the jack is working other than how effectively its
trying to bury itself in the ground. Often when jacking a house like my
grandmother's that doesn't have a foundation we'll have a tough time since we
need to dig down to get the jack under somewhere. I've got a couple 2x8 blocks
to put under it but the footprint is often still too small.
I learned my lesson on this helping my uncle jack the other side of the wall
Dad and I raised when he rebuilt the bathroom. We got the jack good and buried
but then couldn't get it to go back down until we dug all around it to get to
the release... Now if its sinking I'll put the load back down and crib the base
better...
-Curt
From: Randy Bennell <rbenn...@bennell.ca>
To: Curt Raymond <curtlud...@yahoo.com>; Mercedes Discussion List
<mercedes@okiebenz.com>
Sent: Friday, August 7, 2015 3:38 PM
Subject: Re: [MBZ] OT Jacks
On 07/08/2015 2:26 PM, Curt Raymond via Mercedes wrote:
> Umm. I'd submit that either you don't have a very good jack (you're sure its
> a 20 ton and not a 2 ton? 2 ton bottle jack is maybe 3" in diameter, 20 ton
> is more like 6") or you've got a very heavy cottage.
> Maybe 13 years ago the floor in my grandmother's house was sagging really bad
> under the fridge. We cut a 6x8 hole in the floor and found a broken beam. We
> sistered 2x8s on to both sides and jacked both broken pieces into place, then
> ran bolts through the 2x8s and the other piece of beam, put another 2x8 under
> it and fashioned a post under that. All the jacking for that job was done
> with a 5 ton bottle jack since we couldn't find the 20. My grandmother's
> house is quite large, 2 stories with high ceilings, built around 1850 if I
> remember right. We weren't lifting the whole house on that job but the fridge
> backed up against an interior wall which had settled a bit more than an inch
> so we were lifting the interior of the house. You could also see some bow
> come out of the ceiling. That one we lifted over two days. Had to cordon off
> the hole in the floor lest somebody forget and stumble into it on the way to
> get a drink of water in the night.
> -Curt
>
Now, having said that the jacks I was using out at the lake were 20 ton,
I will admit that I did not try lifting the cottage with a smaller one.
I have a smaller hydraulic jack - maybe 8 ton that I used to carry
around in my 68 Chevy pickup because the original jack did not work and
it is out at the lake since we sold the truck.
I also have a 12 ton in a smaller hydraulic press here in the city that
I have offered to let my son take home but is still sitting in my garage.
How can you tell I am a pack-rat when it comes to tools???
RB
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