Tweaked card cage

Paul Anderson useddec at
Wed Mar 9 03:28:19 CST 2016

Hi Jim,

Could you pet a small hydrolic jack inside and put 2 x 4s on the straight
with the jack on them and slowly push the opposite side out?


On Wed, Mar 9, 2016 at 2:15 AM, jwsmobile <jws at> wrote:

> I've got a PDP8/A chassis which has a card cage that has been tweaked off
> in the front just a hair.  Enough that you can't get the cards in by an
> interference amount of clearance.
> Anyone have any idea on how they handled this?  I'm thinking of using some
> blocking and then a 36 or 48" pipe clamp to apply diagonal persuasion to
> get it back in true.
> The rear of the box is not impacted.
> In the body shop trade this is called "diamond" and usually gets your car
> totaled if your frame has that damage term applied to the chassis.
> I don't see any other damage other than this, no chip damage or cracking
> to the back plane, which is of course brittle.  The rear dimension of the
> chassis is good, and I can't see what caused this. Could have been a drop,
> or could have been under too many layers of crap and was tweaked.
> Other clever ways to apply very gentle but forceful pressure to true up
> the cabinet is appreciated.  Also how much to go past square to account for
> the "spring" back of the steel once the force is removed would be nice too.
> Thanks
> Jim

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