PDP 11 - how to lock heads in a rx01 and rx02 - seeking advice

[devin davison]

Thank you all for the excellent information. I think i have a pretty clear
idea on what im dealing with now. Quick question though, what if there is a
pack in the drive?  What holds the pack in there? Can the pack be removed
without power?



On Sun, Jul 12, 2015 at 3:24 AM, Paul Birkel <pbirkel at gmail.com> wrote:

> Note that the bracket should already be there; just loosen the screw,
> rotate the plate 90 degrees to block the positioner-mount, and then tighten
> the screw again.  I *think* that the bottom drive-retention screws are
> interchangeable with screws on the back-panel, and a typical approach is to
> remove a pairs of screws from the back panel for temporary reuse to
> stabilize the motor, then return to their former locations after
> re-racking.
>
> On Sat, Jul 11, 2015 at 11:30 AM, Jay Jaeger <cube1 at charter.net> wrote:
>
> > The RL01/RL02 Users Guide (bitsavers.org/pdf/dec/disc/rl01_rl02) Figure
> > 2-25 on page 2.35 describes the positioner restraining bracket that
> > should be put in place before shipping.  It is just a little square
> > piece of metal (probably aluminum) with a single screw that holds it
> > down that sits in front of the carriage to keep it from rolling into the
> > pack area.
> >
> > Of course, you don't want a pack in there while you are moving it
> > around.  :)
> >
> > It also mentions on that page a couple of shipping screws on the bottom
> > of the drive to restrain the spindle/blower motor from turning.
> >
> > On 7/10/2015 11:11 PM, devin davison wrote:
> >
> > > I made a mistake. I was reading about the floppy drive and accidentally
> > > mentioned the rx01 / rx02. The hardware to be moved is actually
> RL01/RL02
> > > hard drives, not the floppy drive. Please forgive the mix up, any help
> is
> > > appreciated.
> > >
> >
>