Leica M844 - Maintenance

Care and maintenance
M844 / Ref. 10 713 294 / Version 01 61
11 Care and maintenance
11.1 Maintenance instructions
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Put a dust cover over the instrument while the brakes are in
work.
•
Keep accessories in a dust-free place when not in use.
•
Remove dust with a pneumatic rubber pump and a soft brush.
•
Clean the objectives and eyepieces with special optics cleaning
cloths and pure alcohol.
•
Protect the surgical microscope from damp, vapors, acids,
alkalis, and corrosive substances.
Do not keep chemicals near the instrument.
•
Protect the surgical microscope from improper handling.
Install other device sockets or unscrew optical systems and
mechanical parts only when explicitly instructed to do so in
this user manual.
•
Protect the surgical microscope from oil and grease.
Never oil or grease the guide surfaces or mechanical parts.
•
Remove coarse debris with a moistened disposable cloth.
•
To disinfect the surgical microscope, use compounds from the
surface disinfectant group based on the following active
ingredients:
•
aldehydes,
•
alcohols,
•
quaternary ammonium compounds.
Due to potential damage to the materials, never use
products based on
•
halogen-splitting compounds,
•
strong organic acids,
•
oxygen-splitting compounds.
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Follow the disinfectant manufacturer's instructions.
It is recommended to conclude a service contract with
LeicaService.
11.2 Cleaning the touch panel
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Before cleaning the touch panel, switch off your M844 and
disconnect it from the power supply.
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Use a soft, lint-free cloth to clean the touch panel.
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Do not apply cleaning agent directly to the touch panel; rather,
apply it to the cleaning cloth.
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Use a commercially available glass/eyeglass cleaner or plastic
cleaner to clean the touch panel.
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Do not apply pressure to the touch panel while cleaning it.
It is recommended to conclude a service contract with
LeicaService.
NOTE
Damage to the touch panel.
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Operate the touch panel using your ngers only.
Never use hard, sharp or pointy objects made out of wood,
metal or plastic.
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Never clean the touch panel using cleaners that contain abrasive
substances. These substances can scratch the surface and cause
it to be become dull.
11.3 Maintenance
The surgical microscopes LeicaM844F40, LeicaM844F20 and
LeicaM844CT40 are basically maintenance-free.
At the latest 5 years after first bringing into service and then at
least once a year:
Inspection by trained technicians:
•
Functional and visual inspection of the entire ceiling mount
•
Visual inspection of all cables
•
Electronically safety test
•
Check and test of the lift system, in particular all bearings for
free movement
•
Lubrication of the spindle
Only lubricate the spindle with STABURAGS NBU 12/300 KP
(Klüber Lubrication München KG, Germany). No other
lubricants are permissible.
In order to ensure the operational safety of the entire system,
however, we recommend having our specialists carry out regular
maintenance already after the warranty period has ended.
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Please contact your local Leica Microsystems (representative)
service for maintenance agreements.
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Use only original spare parts for servicing.
11.4 Care and Maintenance of the
Leica Foot switch
After each operation, clean the Leica footswitch in warm or hot
water (but below 60 °C). It is basically maintenance-free. In case of
defects, please contact the responsible service organization.