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5. Cleaning the condenser.
a. Only clean the top lens surface of the condenser (10) using any of the methods
mentioned above for cleaning the eyepieces or objectives.
6. Cleaning the illuminator lens.
a. Only clean the top lens of the illuminator (19) using any of the methods mentioned
above for cleaning the eyepieces or objectives.
B. Electrical maintenance
WARNING: FOR YOUR SECURITY, SWITCH OFF AND REMOVE PLUG FROM POWER
SOURCE OUTLET BEFORE MAINTAINING YOUR MICROSCOPE IN ORDER TO AVOID SHOCK
OR FIRE HAZARD.
1. Changing the bulb.
a. Lay the microscope on its side taking
extreme
eyepieces (1) and the specimen slide
holder mechanism (6).
b. Unscrew the screw marked by the arrow.
(Fig. 7).
c. Open the cap where the bulb is located.
d. With a cloth, carefully grasp the bulb and
pull it out to disconnect it from the socket.
e. Do not touch the replacement bulb with
fingers, use a clean cloth to insert the pins
of the bulb into the socket.
f.
If bulb is touched accidently, it must be cleaned as this could affect the transmission of
light and duration of the bulb.
Replace the cap, and screw down firmly.
2. Changing the fuse.
a. With a flat screwdriver, press lightly on the slot on the fuse cap (Fig. 4) and turn 1/4 in
the direction of the arrow indicated.
b. Release pressure and the fuse cap should be able to be removed easily. Remove it
completely.
c. Remove the fuse by pulling it out, and insert the new one. Ensure that a 0.5 amp fuse is
being used.
d. Replace the fuse cap.
e. Repeat step (a.) this time 1/4 in the opposite direction of the arrow indicated. The cap
should be well closed.
care,
especially
-10-
with
the
Cap of
access
Fig. 7
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