Handling Acids And Bases - Leica DMI3000B Mode D'emploi

10. Care of the Microscope
Cleaning Glass Surfaces
Remove dust on glass surfaces with a fine, dry
and fat-free hair brush, by blowing with a blow
bag or vacuum suction.
Remove stubborn dirt on glass surfaces with a
clean cloth dampened with distilled water. If the
dirt still can not be removed, use pure alcohol or
benzine.
Cleaning Objectives
Caution!
The objective may not be unscrewed during
cleaning. If damage appears on inner sur-
faces, the objectives must be sent to your
Leica subsidiary for repair. We also advise
against cleaning the inside surfaces of the
eyepieces.
The front lenses of objectives are cleaned as
described under "Cleaning Glass Surfaces". The
upper lens is cleaned by being blown off with a
pneumatic pump.
110
Removing Immersion Oil
Caution!
Follow safety instructions for immersion oil!
First, wipe off the immersion oil with a clean cot-
ton cloth, and then re-wipe the surface several
times with ethyl alcohol.
10.3

Handling Acids and Bases

For examinations using acids or other aggres-
sive chemicals, particular caution must be
taken.
!
Caution:
Be absolutely certain to prevent the optics
and mechanical parts from coming into con-
tact with these chemicals.