41
ZTKS0172 / Z31964 / 04
Troubleshooting
Table continued
a. This work requires to remove the bottom plate. Before removing the bottom plate
check that the suspension tubes of the helium vessel are not broken. Install the safety
device for fall protection (not supplied). Contact Bruker Service for further information.
Indicator
Possible reason
Solution
Performed by
Vacuum valve is
touching the
magnet stand.
Vacuum valve
mounted
incorrectly.
Reposition the vacuum
valve.
Bruker Service
Vacuum in RT
vessel does not
reach
5 x 10
-5
mbar
within 48 hours.
O-rings may be
damaged.
Check and clean O-rings
and slots. If necessary,
replace the O-rings for
•
the vacuum valve
•
the drop-off plate
•
the reduction and
sealing flanges
•
the bottom plate
a
.
Bruker Service
Defective pumping
unit or pumping
line.
Check pumping unit and
pumping line:
A vacuum of at least
10
-6
mbar must be reached
while the sealing plug is
closed.
Replace if necessary.
Bruker Service
Room temperature
bore has scratches
or dust on the
sealing surfaces.
Check sealing surfaces on
the RT bore: No scratches
and no dust should be
visible.
Bruker Service
Moisture in the RT
vessel.
Use dry N2 gas to pump and
flush the RT vessel.
Bruker Service
Super insulation is
touching the RT
vessel or the RT
bore or the
radiation shield.
Super insulation
was not attached
correctly during
assembling.
Attach the super insulation
on the outer radiation shield
using polyester tape
a
.
Carefully prevent any
contact of the vessels or the
RT bore in the cryostat.
Bruker Service
Содержание 500'89 Ascend Aeon
Страница 1: ...Version Innovation with Integrity 500 89 Ascend 04 User Manual NMR ...
Страница 6: ...6 ZTKS0172 Z31964 04 Table of Contents ...
Страница 8: ...8 ZTKS0172 Z31964 04 Contact ...
Страница 28: ...28 ZTKS0172 Z31964 04 Safety ...
Страница 34: ...34 ZTKS0172 Z31964 04 Transportation ...
Страница 35: ...35 ZTKS0172 Z31964 04 4 Assembling Approved Persons Bruker Service only ...
Страница 36: ...36 ZTKS0172 Z31964 04 Assembling ...
Страница 57: ...57 ZTKS0172 Z31964 04 8 Disassembling Approved Persons Bruker Service only ...
Страница 58: ...58 ZTKS0172 Z31964 04 Disassembling ...
Страница 81: ...81 ZTKS0172 Z31964 04 Technical Data MS 500 89 Ascend 9 21 Current Lead Figure 9 12 Current lead 55 pin ...
Страница 90: ...90 ZTKS0172 Z31964 04 Technical Data MS 500 89 Ascend ...
Страница 92: ...92 ZTKS0172 Z31964 04 Warning Signs ...
Страница 94: ...94 ZTKS0172 Z31964 04 List of Figures ...
Страница 96: ...96 ZTKS0172 Z31964 04 List of Tables ...
Страница 98: ...98 ZTKS0172 Z31964 04 Index ...
Страница 100: ...Bruker Corporation info bruker com www bruker com Order No Z31964 ...