Date: Thu, 23 Oct 2025 16:02:52 +0000 (UTC)
Hi Jim,
1. The gradient cable is a bayonet connector--turn the ring around the
outside counterclockwise to release it and then pull the connector straight out.
Note--some of these connectors kind of lock into place so you might have to push
it in towards the probe body to get it to release.
2. The flush gas tubing is held in by a quick connector--push in on the ring around
the tubing and pull the tubing out as you're pushing in on the ring. Sometimes
these kind of get locked into place if people yank on them too much so the other
alternative is to destroy the tubing and take it out piece by piece.
3. The flush gas is a 6mm OD piece of tubing. I think it might be HDPE but I'm not
100% sure if I've misremembered that. Anyway, you can just swap it out for
some other 6mm tubing. Just run a piece of tubing from the port on the back
of the console to the flush port on the probe and it should work. You can fish
out that piece of tubing if you want but that might be more work than you really
want to do.
4. If you look up under the bottom of the probe, you'll see the ATM unit and the V
shaped notch in the side of the probe where the VT stuff goes in.
If you look up at the bottom, on the sides of the ATM unit 90 degrees from the side
with the notch, you'll see the two holes with the correct screws in them going up
into the bottom of the ATM unit. You should have a screwdriver attached to the
bottom of the probe with a length of toilet chain... That screwdriver should fit in
those holes and engage with the screws. And those should be the only two holes
that the screwdriver will do anything in. Actually--this might be simpler.
See here:
Cheers,Mike
On Thursday, October 23, 2025 at 09:42:06 AM MDT, Baleja, James D via groups.io wrote:
Hi NMRers,
Showing my lack of knowledge here, but I’m trying to remove our Bru=
ker TXI probe and I have 4 questions.
- How do I remove the gradient connection (the cable to the left of the
fuzzy photo)?
- How do I remove the flush gas tube (the white tube to the back right)?
- How do I replace the flush gas tube (it’s fragile and I partially
snapped it – although I can probably fix well enough with parafilm)?
- How is the probe held in place? In the past it was brass rods with
knurls, but I think it’s a clip now?)
Next job is to see if I can find a manual somewhere!
I’m trying to see if I can get our ATM unit to respond while
the probe is outside the magnetic field. If not responding, I’ll
send the probe back for repairs
Thanks
Jim
--------------------------
Jim Baleja
Pronouns: he, him, his
Department of Medical Education (MV525S)
Department of Developmental, Molecular, and Chemical Biology (lab:Room MV614, rear)
Tufts University School of Medicine
136 Harrison Avenue
Boston, MA 02111
Tel: 617-636-6872
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