Bruker NMR CASE Troubleshooting Manual
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Bruker NMR CASE Troubleshooting Manual

Bruker NMR CASE Troubleshooting Manual

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NMR CASE
Trouble Shooting Guide
BRUKER

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Summary of Contents for Bruker NMR CASE

  • Page 1 NMR CASE Trouble Shooting Guide BRUKER...
  • Page 2 The information in this manual may be altered without notice. BRUKER accepts no responsibility for actions taken as a result of use of this manual. BRUKER accepts no liability for any mistakes contained in this manual, leading to coincidental damage, whether during installation or operating of the items or units described in this manual.

  • Page 3: Table Of Contents

    10. Intermittent problems ............................10 11. Sample lift (eject) : sometimes hangs on top of the BST and does NOT go up into the NMR Case....11 12. Sample lift (eject) : always hangs on top of the BST and does NOT go up into the NMR Case......11 13.

  • Page 4: Sample Eject (Lift) Problems

    1.1 Sample lift air flow When ejecting the sample, it must come up with speed (within 10 seconds) and climb all the way to the top of the NMR Case. There must be enough airflow so that the top of the spinner is pressed against the sample stop head on top of the sample tray.

  • Page 5: Sample Insert (Down) Problems

    To check the seating, first remove the 3 screws and then remove the NMR Case base plate, leaving only the collar in place. Check that the bottom of the collar is flush with the BST. Check that the interface tube is flush with the top of the collar.
  • Page 6 Check that the bottom of the sample holder tray is clean and free of foreign debris like sticky tape, glue from tape or staplers. Check that the 3 white round plates located on the NMR Case base plate are clean and free of foreign debris like sticky tape, glue from tape or staplers parts.

  • Page 7: The Sample Holder Tray Does Not Advance

    3.1.2 Increase the airflow for the pneumatic pistons by adjusting the flow reducers # 1,2,3,4. They are located underneath the NMR Case base plate, on a manifold (see Figure 3). Use a small screwdriver and turn the adjustment screws counter clockwise out by one turn each.

  • Page 8: The Motion Controller Does Not Work

    Pressure sensor 0.5 “ H2O PSF 100 A – 0.5 SL-SENSE Sample lift air on, high pressure Pressure sensor 15” H2O PSF 200A dual 4/15 RESET Reset sample insertion memory RESET switch at the side of motion controller NMR Case Trouble Shooting Guide BRUKER Page 8 of 15...

  • Page 9: The Sample Holder Tray Slams Samples When Advancing

    This is done by adjusting the air flow reducer # 4, located underneath the NMR Case base plate on a manifold (see Installation manual Figure 3). Use a small screwdriver and turn the adjustment screw clockwise (CW) in by quarter turn increments.

  • Page 10: The Adapter Collar Does Not Fit To The Shim Stack

    One adapter collar for a shim upper stack type BST is included with every NMR Case. For shim stacks other than of type BST, different adapter collars can be ordered and mounted to the NMR Case base. Read and follow the NMR Case system requirement manual P/N B2928, section 6.

  • Page 11: Sample Lift (Eject) : Sometimes Hangs On Top Of The Bst And Does Not Go Up Into The Nmr Case

    Sample lift (eject) : sometimes hangs on top of the BST and does NOT go up into the NMR Case 11. Sample lift (eject) : sometimes hangs on top of the BST and does NOT go up into the NMR Case Item Check out...

  • Page 12: Sample Insert (Down): Sometimes Hangs At The White Ring On Top Of The Adapter Collar

    15. The sample holder tray does not advance away from position 0. Cause: a sample has been removed manually or the NMR Case has been used in manual mode. Solution: Press the RESET button (on the side of the controller) while the sample lift is OFF to clear the sample tracking memory.
  • Page 13 Figure 1: NMR Case Top View 17. Figure 1: NMR Case Top View NMR Case Top view Sensor 1 Retract Stop Post Sensor 1 Cyl A L - in Cyl A L – in Cyl A L - out Cylinder A Cyl A L –...
  • Page 14 Figure 2: NMR Case Side View 18. Figure 2: NMR Case Side View Sensor 1 NMR Case Side view Base cover Cyl B Extend Cyl B Retract Sensor 2 Small Cylinder Front leg Sample lift air Adapter bypass valve Collar...
  • Page 15 Figure 3: NMR Case bottom view 19. Figure 3: NMR Case bottom view Interface tube Adapter Collar 7 Sensor 2 Sample lift air bypass valve opens and closes Pneumatic manifold 5 Sensor 1 Cyl A L - in Cyl A L - out...

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