
Axiovert 25, Axiovert 25 C, Axiovert 25 CFL
B 40Ć012 e 08/99 3Ć1
3 Maintenance and troubleshooting
3.1 Maintenance
Maintenance of the the Axiovert 25 microscope is limited to the following operations:
• Cover the instrument with the dust cover after every use.
• Clean exposed optical components whenever required.
• Carefully remove moisture deposit or precipitated aggressive vapor using a dry cloth.
• Protect the instrument from temperatures above 50 °C, frost, humidity, chemically aggressive
vapor/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 dustĆ
free 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 25 microscope in humid climatic zones, proceed as follows:
• Store the Axiovert 25 microscope in bright, dry and well ventilated rooms with a humidity of less
than 85 %; store particularly sensitive components and accessories, such as objectives and
eyepieces, in a dry closet.
• When storing the equipment in closed cases for a longer period of time, the growth of fungus
can be avoided by including cloths soaked in fungicide in the cases.
NOTE The risk of growth of fungus on optoĆmechanical instruments always exists in the follĆ
lowing conditions:
• relative humidity of more than 75 % and temperatures between +15
°
C and +35ðC
for more than 3 days;
• installation in dark rooms without air ventilation;
• dust deposits and fingerprints on optical surfaces.
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