9
4. Maintenance
4.1 Clean microscope
4.1.1 Don’t touch the lens with hand, Dust on lens should be cleaned by soft brush or absorbent cotton or
cleaned by absorbent cotton, lens paper with the mixture of alcohol and ether (proportion 1
:
4).
4.1.2 Alcohol and ether all are burnt early, please take them away from fire. Be careful for turn on and off
power.
4.1.3 Don’t clean painted metal and galvanizing metal with organic solvent such as alcohol, ether or the
mixture of the both. Silicon cloth or soft cleaning preparation is suggested to clean it.
4.1.4 Plastic should be cleaned by soft cloth with clear water.
4.2
Environment of usage and storage
4.2.1 Microscope should be used and placed in a cool, dry, non-dust, non-shake and non-corrosive gases
environment.
4.2.2 Microscope should be used in environment of indoor temperature 0
°
- 40
°
C and maximum relative
humidity 85%.
4.2.3 Removing equipment is suggested to be installed when microscope used in heavy humidity area to
avoid fungus and mist damage instrument.
4.2.4 Please pay attention to prevent microscope from violent shake and vibration in application and in
carrying. Don’t drag it on the surface of worktable to avoid damage to microscope and worktable.
4.3 Replacement of bulb
4.3.1 Turn off power, and pull out plug.
4.3.2 Wait the bulb become cool.
▲
Please be sure that the bulb is cool, then follow by the nest operations.
▲
Only use 6V20W or 12V50W halogen lamp bulb.
4.3.3 Lay aside the microscope reliably, unscrew the knurled thumb screw of the lamp housing cover on the
underside of base.
4.3.4 Pull over the lamp housing cover.
4.3.5 Pull out the bulb should be replaced, hold a new bulb with silk cloth to avoid fingerprint and dust
affect bulb brightness and service life, and insert fully the contact pins into the bulb socket.
4.3.6 Close the lamp housing cover, and screw the knurled thumb screw.
▲
After working for above 10 hours continuously, better cut off the microscope about 30 minutes.
4.4 Replacement of fuse
4.4.1 Cut off power of microscope, and pull out the plug.
4.4.2 Unscrew fuse cap in the back of base, take out old fuse.
4.4.3 Replace a new fuse, then screw the fuse cap.