24
9-2 Detailed Assembly Procedures
Fig. 29
1
Installing/Replacing the Lamp Bulb
(Fig. 29)
1. Place the microscope frame on the back and pull the lock knob
1
on
the bottom to open the lamp bulb replacement cover.
2. Hold the halogen lamp bulb
2
without taking it out of the polyethylene
bag so as not to stain the bulb with fingerprints or stains, and push the
bulb all the way into the pin holes on the socket
3
. After attaching, re-
move the polyethylene bag from it.
<
Applicable lamp bulb
>
6 V, 30 W halogen bulb: 6V30WHAL (Philips Type 5761)
Always use the designated bulb. Using a bulb other than a specified
one may lead to a fire hazard.
Fingerprints or stains on the lamp bulb reduce its service life. When
it is contaminated, wipe with a cloth slightly moistened with alcohol.
3. With the lock knob left in the pulled-out position, close the lamp bulb
replacement cover. Then push in the lock knob to lock the cover.
# The cover cannot be closed if the lock knob is in the pushed-in
position. Make sure that it is in the pulled-out position before clos-
ing the cover.
Caution for Bulb Replacement During Use or Right After Use
3
1
2
The bulb, lamp socket and areas near these will be extremely hot
during and right after use. Set the main switch to “ ” (OFF), discon-
nect the power cord from the wall outlet, then allow the old bulb and
lamp socket to cool before replacing the bulb with a new bulb of the
designated type.
# When replacing the bulb that is blown in the middle of observation,
remove the parts that may drop such as the eyepieces, filter and
specimen from the microscope frame, and tilt down the microscope
frame by 90°.
Fig. 30
2
Attaching the Condenser
(Fig. 30)
1. Rotate the coarse adjustment knob to raise the stage to the upper limit.
Then, rotate the condenser height adjustment knob
1
to lower the con-
denser holder
2
slightly, and then loosen the condenser clamping knob
2
.
2. Insert the condenser
3
into the condenser holder. Set the condenser's
aperture scale to the front position and tighten its clamping screw.
3. Rotate the condenser height adjustment knob to move the condenser
holder to the upper limit.
3
1
2
