Axiovert 40
B 46-0031 e 11/03 3Ć1
3 Maintenance and troubleshooting
3.1 Maintenance
Maintenance of the Axiovert 40 microscope is limited to the following operations.
• Cover the instrument with the dust cover after every use.
• Clean uncovered optical components whenever required.
• Carefully remove condensation or precipitated aggressive vapor using a dry cloth.
• Protect the instrument from temperatures above 50 °C, frost, humidity, chemically aggressive vapor and
substances.
• Remove dust from optical surfaces using a rubber blower or a natural hair brush which can be degreased
in alcohol and dried afterwards. Remove stubborn dirt and fingerprints using a dustfree cloth or leather;
breathe on the dirty surface, if required.
Clean the front lenses of the objectives using petroleum ether, but do not use alcohol.
• Use commercially available optics cleaning cloths to remove stubborn dirt; if necessary, lightly moisten the
cloths with petroleum ether.
When using the Axiovert 40 microscope in humid climatic zones, proceed as follows:
• Store the instrument in bright, dry and well-ventilated rooms with a humidity of less than 75 %; optical
components and accessories that are particularly susceptible to fungus growth, e.g. objectives and eyeĆ
pieces, should be stored in a drying cabinet.
• When storing the equipment in closed cases for a longer period of time, the growth of fungus can be
avoided by putting in cloths soaked in fungicide.
NOTE The risk of fungus growth on opto-mechanical instruments invariably exists in the following
conditions:
• Relative humidity in excess of 75 % and temperatures between +15 °C and +35 °C for
more than three days.
• Installation in dark rooms without air ventilation.
• Dust deposits and fingerprints on optical surfaces.
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