Leica CM E Manual De Instrucciones página 5

with a camel hair brush before attempting to wipe the surface
clean.
Optical surfaces should be cleaned with a lint-free cloth, lens
tissue or a cotton swab moistened with methanol or
commercially available glass cleaner. It is very important to
avoid the excessive use of solvent.
The cloth lens tissue or cotton swab should be moistened with
solvent, but not be wet enough for the solvent to seep around
the lens.
No part of the microscope is quite so vulnerable to dirt, dust
and oil as the front lens of the objective. Whenever lack of
contrast, cloudiness or poor definition is encountered,
carefully check the condition of the front lens with a magnifier.
The lower magnification objectives have fairly large front lenses
and can be cleaned with a cloth or lens tissue wrapped around
a finger and moistened with methanol. The 40x and 100x
objectives require a little more care and examination with a
magnifier. To achieve the high degree of flatness obtained with
the higher magnification objectives, it is necessary to use a
small concave front lens of fairly short radius or curvature. The
surface of this front lens can be readily cleaned with a toothpick
covered with a cotton tip, or with a small cotton swab. Moisten
the cotton with methanol and squeeze it almost dry. Wipe the
front lens lightly without applying undue force or scrubbing
action. Make sure that the cotton tip contacts the concave
lens surface. Check the objective with a magnifier after
cleaning.
Should you need to remove the viewing body, be careful not
to accidentally touch the outer lens surface on the underside
of the body. Finger prints on this surface will reduce image
clarity. This lens can be cleaned in the same manner as
objectives and eyepieces.
5.2 Mechanical Maintenance
Using the dust cover is the most important factor in keeping
the microscope in good mechanical and physical condition.
The Leica CM E has a durable finish. All non-optical parts of
the instrument can be cleaned with methanol, naptha or soap
and water. Avoid the use of all other organic solvents when
cleaning the instrument.
All manuals and user guides at all-guides.com
5.3 Lamp Replacement
CAUTION: Unplug the instrument before attempting to
change the lamp.
CAUTION: The glass envelope of the lamp may be
extremely hot. Do not attempt to change the lamp before
it is completely cooled or without wearing adequate
skin protection. The glass should not be handled with
bare hands. If the lamp is touched with bare hands clean
the surface with a lens tissue and methanol prior to
installation.
The only component in the Leica CM E that may require
periodic replacement is the illuminator lamp.
12V, 20W Halogen replacement lamp . . . . . . . . . . . .# 13496025
A. Before replacement, unplug the instrument.
B. Open the lamp door by pulling the locking pin
C. After it has cooled, carefully hold the lamp using a lens cloth
and remove it from its socket.
D. Place the new lamp into the socket using a lens cloth.
E. Close the lamp door, being sure to push the locking pin in
until it stops.
F. Never operate the microscope illuminator unless the lamp
door is securely closed.
5.4 Electrical Considerations / Equipment Ratings
CAUTION: Risk of electric shock. Removal of the bottom
cover of the microscope exposes hazardous voltages,
which if contacted, could cause injury or death. Please
refer servicing to qualified personnel.
Supply Voltage and Range Supply Frequency
Tungsten Halogen models:
• 100 VAC ± 10% - 50/60 Hz, input power - 28VA
• 120 VAC ± 10% - 50/60 Hz, input power - 28VA
• 220-240VAC ± 10% - 50/60 Hz, input power - 28VA
Range of Environmental Conditions
• Altitude up to 2000m
• Indoor use only
• Temperatures 5°C to 40°C
• Installation Category II (Overvoltage Category)
• Pollution degree 2
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