Axiovert 40
B 46-0031 e 11/03 3Ć5
Safety notes for the use of the HBO 50
CAUTION While in operation, the HBO 50 is under high pressure. It may therefore only be operated in
a closed microscope illuminator.
• The cooling process of the lamp housing must not be obstructed by covers.
• Before you can change the lamp, the HBO 50 must cool down for approx. 15 minutes.
• While in operation, the lamp emits UV radiation. Avoid direct exposure of eyes and skin. It is advisable to
wear protective eyewear when handling the microscope illuminator.
CAUTION The HBO 50 must be replaced after expiry of its average life of 100 h. The risk of explosion
increases when the average life is exceeded.
The operating time of the HBO 50 can be read from the hour meter.
This warning label on the rear of the illuminator means:
Caution: Hot surface!
Allow the lamp to cool down before touching it.
Replacing the HBO 50 lamp
CAUTION Switch off power supply and disconĆ
nect the power plug of the lamp from
the socket of the power supply. AlĆ
low lamp and lamp housing to cool
down (for at least 15 min.).
• Loosen the clamping screw on the microscope
stand to remove the HBO 50 illuminator from the
stand.
• Place the illuminator on a flat work surface.
• Using the provided SW 3 ball-headed screwĆ
driver, loosen screw (3Ć4ā/ā1) and remove the lamp
housing (3Ć4ā/ā2).
• Depress spring lever (3Ć4ā/ā5) and, holding lamp
(3Ć4ā/ā4) on heat sink (3Ć4ā/ā3), withdraw the lamp
from its holder.
• Place the heat sink with lamp on the work surface
so as to make the clamping screw on the heat sink
accessible.
Fig. 3Ć4 Replacing the lamp of the HBO 50
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