Installation
23
GA 05.130/3.02 - 05/98
1
2
1 Aluminum cover
2 Screws
Fig. 21 Removing the transport seal
2.3 Operating environment
When using the MAG inside a magnetic field, the magne-
tic induction at the pump housing must not exceed 5 mT;
(1 mT (milliTesla) = 10 G (Gauß))
Exceeding this limit can cause excessive rotor heating
due to the eddy currents generated in this situation. It is
therefore necessary to provide suitable shielding in such
cases.
The standard version of the MAG is resistant to radiation
at levels up to 10
3
Gy. (1 Gy (Gray) = 100 rad)
The ambient temperature must not exceed 40°C
(104 °F).
The noise level when the pump is running is below 70
dB(A). No acoustic insulation is required.
2.4 Connecting the MAG to
the vacuum chamber
The MAG is shipped in a sealed PE bag with desiccant.
Do not open the package until immediately before instal-
ling.
Do not remove the covers and blanking flanges until you
are ready to make the connections, to ensure that the
MAG is installed under the cleanest possible conditions.
Pay attention to maximum cleanliness when connecting.
Remove the transport seal from the intake flange. To do
so unscrew the screws (21/2) and remove the aluminum
cover.We recommend saving the transport seal for main-
tenance.
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