Bruker BioSpin NMR BVT3200, Техническое руководство

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20 (55) BRUKER BIOSPIN Technical Manual Version 002
Evaporator installation 2.3.2
1. Turn off the BSMS/2 power supply.
2. Wait 2 minutes to permit the complete discharge of the output capacitor of the
heater electronics.
3. Unscrew and remove the BVT3200 from the crate.
4. Disconnect the inlet gas tube (see Figure 2.3. on page 20 ).
5. Hold the printer circuit (W1101455) over the main printed circuit, the big male
connector on the bottom side of the printed circuit must face the corresponding
female connector on the component side of the main printed circuit. The 4
plastic spacers must be pushed carefully in the corresponding holes of the
main board until they are locked (see
Figure 2.4. on page 21 ).
6. Plug the gas tube as shown in picture 3 (see Figure 2.5. on page 21 ).
7. Insert the BVT3200 in the BSMS/2 crate.
8. Plug the LN
2
evaporator cable in the connector N
2
and insert the evaporator
accessory in the LN
2
dewar.
9. Turn on the power supply of the BSMS/2.
Printed circuit installation 2.3.3
To dismount the gas tube, push forward the gas connector ring and pull back the
tube.
Figure 2.3. Dismount the gas tube