3B Scientific Trinocular Microscope Model 400 - Manual (Page 6)

3B Scientific GmbH • Rudorffweg 8 • 21031 Hamburg • Germany • www.3bscientific.com
Subject to technical amendments
© Copyright 2007 3B Scientific GmbH
similar material. Do not touch the bulb with
the bare hand.
• Lift out the halogen lamp and replace it with a
new one.
• Close the cover and secure it with the screw.
• Push the lamp socket back into the original
position and tighten screw C.
4.2.2 Changing the fuse
• Turn off the power switch and unplug the
mains plug.
• Lay the microscope on its side.
• Unscrew the fuse holder with a screwdriver.
• Replace the fuse and reinsert the holder in its
socket.
Fig. 1 Lamp socket cover: A - knurled screw, B - ventila-
tion slot, C - securing screws of lamp-holder, D - fuse
holder
5. Storage and cleaning
• Keep the microscope in a clean, dry and dust
free place.
• When not in use always cover the microscope
with the dust cover.
• Do not expose it to temperatures below 0°C
and above 40°C and a max. relative humidity
of over 85%.
• Always turn off the light immediately after use.
• Use a soft linen cloth and some ethanol to
clean the microscope.
• Use a soft lens tissue to clean the optics.