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BRUKER

NMR CASE

TM

Trouble Shooting Guide

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Содержание NMR CASE

Страница 1: ...BRUKER NMR CASE TM Trouble Shooting Guide ...

Страница 2: ...ring installation or operating of the items or units described in this manual Unauthorized reproduction of manual contents without written permission from the publishers or translation into another language either in full or in part is forbidden Written by Martin Rindlisbacher BRUKER BioSpin Corporation 15 Fortune Drive Billerica MA 01821 USA martin rindlisbacher Bruker Biospin com Version 10 July...

Страница 3: ...rmittent 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 Sample insert down sometimes hangs on top of the sample holder tray 11 14 Sample insert down sometimes hangs at the white ring on top of the adapter collar 12 15 The sample holder tray does...

Страница 4: ...to disengage the light barrier Read the instruction sheet P N B2300 1 4 Seals To avoid sample lift air leaks the following four seals must be properly installed see installation manual Figure 1 page 17 1 Inside the adapter collar one O Ring 2 On top of the adapter collar one flat rubber seal 3 Inside the large white round ring plate one flat rubber seal 4 One white or brown seal ring on top of the...

Страница 5: ...rt number B3695 If the inner diameter of the interface tube seems to be too small then it may be an old version made from brown plastic Replace it with a new version made from black aluminum metal Part number B3695 2 Sample Insert down Problems 2 1 NMR Case or magnet not level The shim stack must be vertical and the NMR Case horizontal aligned Check it with the circular level supplied with the too...

Страница 6: ...gn 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 Switch off the motion controller and push the black pin on the side to the inside out of the way Mount the sample holder tray and check for smooth rotation by hand It should not go easy bu...

Страница 7: ...der tray rotates ON O 1 0 Sample goes down insert OFF I 0 2 3 1 Rotating mechanism resets OFF O 1 0 Air ON always ON ON O 2 Next sample is inserted ON O 3 No sample is inserted OFF O 3 Reset button depressed ON OFF I 4 O 3 3 1 4 Check that I 0 is turned ON when the sample is on top of the sample holder tray The sample holder spinner must be pressed up firmly against the sample stop head of the tra...

Страница 8: ...n 1 6 4 1 5 Four seconds after switching on Green I RUN ERR 0 1 2 3 4 5 O green COM I O 0 1 2 3 4 1 6 If the LED O 3 is green then press the RESET switch The O 3 LED should go off 4 1 7 If there are no lights check the power cord and the fuse There is a spare fuse inside the fuse holder 250V 3A slow blow 4 1 8 If during the first two seconds some lights are missing or a red light is still on after...

Страница 9: ... manifold see Installation manual Figure 3 Use a small screwdriver and turn the adjustment screw clockwise CW in by quarter turn increments Check for slamming and turn further in if necessary However the airflow should not be decreased too much or the sample holder tray will no longer advancing firmly See section 2 5 of this manual 6 The adapter collar cannot be removed from the BST upper stack Th...

Страница 10: ...ent manual P N B2928 section 10 9 The sample spin rate goes up to 150 Hz Check the following to see if the problem goes away 9 1 1 Unplug the spin rate cable connector at the BST shim stack Check it and plug it back in 9 1 2 Remove the BSMS sample control modifier cable B1428 see instruction sheet B2300 9 1 3 Check the spin rate settings 10 Intermittent problems The following 4 items need to be pr...

Страница 11: ... ring brown tube Section 1 6 5 sample lift airflow Section 1 1 12 Sample lift eject always hangs on top of the BST and does NOT go up into the NMR Case Item Check out Trouble Shooting Guide 1 sample lift airflow Section 1 1 2 correct closing of the sample lift air bypass Section 1 7 3 Motion controller has no power Section 4 4 Motion controller has no air pressure Section 4 13 Sample insert down s...

Страница 12: ...n 2 2 5 NMR Case or magnet not leveled Section 1 8 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 Note pressing the RESET button while the sample lift is ON does not work...

Страница 13: ...ide BRUKER Page 13 of 15 17 Figure 1 NMR Case Top View Extend Stop Post Cylinder B Sensor 1 5 Cyl A L in 1 Cyl A L out 2 Cyl B Extend 3 Cyl B Retract 4 Cylinder A Sensor 1 Cyl A L in Cyl A L out Cyl B Retract Cyl B Extend Retract Stop Post NMR Case Top view ...

Страница 14: ...Guide BRUKER Page 14 of 15 18 Figure 2 NMR Case Side View Base cover Adapter Collar Sensor 1 Sample lift air bypass valve Opens and closes Cyl B Extend Cyl B Retract Small Cylinder Front leg NMR Case Side view Sensor 2 Interface tube inside adapter collar ...

Страница 15: ...ure 3 NMR Case bottom view Adapter Collar Interface tube Small cylinder 5 Sensor 1 1 Cyl A L in 2 Cyl A L out 3 Cyl B Extend Sample lift air bypass valve opens and closes 4 Cyl B Retract 6 SL Sensor Sample lift air Air flow adjustment screws 7 Sensor 2 Front leg Front leg Pneumatic manifold ...

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