The little pots of grease are labelled "Horiz-Zyl" and "Vertikal-Zyl"
On Wed, 25 Sept 2024 at 22:44, Josh Kurutz via groups.io wrote:
> Hi Justin.
>
>
>
> In addition to cleaning the arm, are you also greasing it? I recall there
> are two kinds of grease for the BACS – one for the piston, and on=
e for the
> slider that goes between the autosampler and magnet bore. I forget which
> one is which, but I think the little jars of grease may be labeled.
>
>
>
> Good luck!
>
> - Josh
>
>
>
>
>
> Josh Kurutz, PhD
>
> NMR Facility Manager, Chemistry Dept.
>
> University of Chicago
>
> https://chemnmrlab.uchicago.edu/
>
> jkurutz_at_uchicago.edu
>
>
>
> *From: *main_at_ammrl.groups.io <main_at_ammrl.groups.io> on behalf of Justin
> Douglas <justindouglas_at_ku.edu>
> *Date: *Wednesday, September 25, 2024 at 3:33 PM
> *To: *main_at_ammrl.groups.io <main_at_ammrl.groups.io>
> *Subject: *[AMMRL] BACs downwards motion failed
>
> Hello,
>
> Our BACs autosampler (on a Bruker AV400) is producing a "DOWNWARDS MOTION
> FAILED" error, which disrupts the queue in ICON (and leaves the lift air
> on, sometimes all night!). The advice I was given by Bruker was to clean
> the arm. It is not 100% clear to me what specifically needs to be
> cleaned. In addition, we are getting this error more and more frequently
> and I'm having to clean the arm more and more often. It is not clear that
> it is really that dirty!
>
> My method is to take special care to remove the arm, remove the bolts with
> an allen wrench and wipe the piston thoroughly with chemwipes and
> methanol. I also use q-tips and methanol to swab the o-rings, etc. I'm
> wondering if anyone has any more specific advice on how to stop (or at
> least decrease the frequency of) these DOWNWARD MOTION FAILED errors.
>
> Thanks
>
> Justin
>
>
> Justin Douglas
> he/him/his
> NMR core lab
> University of Kansas
> justindouglas_at_ku.edu
> justindo_at_gmail.com
>
>
>
>
>
>
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Received on Thu Sep 26 2024 - 04:21:21 MST