Bruker RS - During Operation of the Magnet Stand

96
ZTKS0156 / Z31820 / Rev.: 03
Troubleshooting
Continued from page before
6.2.5 During Operation of the Magnet Stand
In case of doubt contact Bruker Service and refer to the supplied manual of the Magnet
Stand
Continued on next page
Indicator Possible reason Solution By
Magnet system does
not reach specifica-
tion.
Magnetic material
inside RT bore tube.
Carefully clean the RT bore
tube.
Bruker Service
Large ferromagnetic
parts are in the
vicinity of the
magnet system.
1. Keep the maximum pos-
sible distance between
the magnet system and
ferromagnetic parts.
2. Repeat shimming.
Bruker Service
Indicator Possible reason Solution By
The NMR spectrum
shows massive
disturbances.
The pneumatic con-
troller is in DOWN
position.
Switch pneumatic controller to
UP position.
Approved
Customer
Personnel
Magnet system has
direct mechanical
contact with the floor
via accessories.
Identify and eliminate contact
point. Arrange lines in loose
S- or U shapes
Approved
Customer
Personnel
If the problem is still not
solved, contact Bruker
Service.
Approved
Customer
Personnel
Magnet system has
physical contact to
the magnet stand.
Check leveling; adjust if
necessary.
Bruker Service
Piston of the isolator
is not centric or
touches its casing.
Align magnet stand. Bruker Service
T-safety brakets
touches the pillar.
Align magnet stand. Bruker Service
Floor vibrations in
vertical direction.
Replace elastomeric isolators
with air damped isolators.
Bruker Service
Floor vibrations in
horizontal and ver-
tical direction.
Replace air damped isolators
with air piston isolators.
Bruker Service