[TowerTalk] Adjustments to Tower Base Pier J-Bolts

[Wes Stewart]

Fire Department Jaws of Life?


On 7/22/2017 6:47 AM, Paul Christensen wrote:
> Got a nasty situation here that needs some brain power to resolve.  Earlier
> ..
>
> 2) Use a telescoping hydraulic cylinder (a.k.a.  hydraulic ram jack) to push
> the two J-bolts against each other since they are both leaning in by the
> same amount.  What I don't know is how much adjusting precision I'll have
> when expanding the cylinder.  Do these things move in very small increments?
> What cannot occur is the cylinder "jerking" the bolts to anything beyond
> 1/8".  These cylinders are capable of pushing 30,000 lbs. and are typically
> used on large earth-moving front loaders.
>
> I'm open to any other ideas.
>
> Paul, W9AC