(6) Put the protective windows unit back into the cutting head and then tighten the two screws.
Figure 11. Protective windows of collimate lens.
PS: There is a seal ring inside the cover slide drawer (under the lens), please don’t lose it when
you clean or change the protective windows. If the seal ring is missing or being damaged,
please change with a new one.
■ Disassembly and installation of protective windows of focus lens:
Protective windows is vulnerable parts, please change with a new one once it has been damaged.
(1) Loose the two screws showed in figure 12, and carefully take out of the lens with cover slide
drawer;
(2) Take out of the protective window upper seal ring by tools properly and take out of the lens
using your fingers after putting on fingerstall;
(3) Cleaning the lens, cover slide drawer and protective window upper seal ring, if the seal ring
has been damaged, please change with a new one;
(4) Put the cleaned lens back into the cover slide drawer; (No difference in pros and cons)
(5) Put the protective window upper seal ring back to the cover slide drawer;
(6) Put the protective windows unit back into the cutting head and then tighten the two screws.
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