Page 12 of 37
![](FWH30-D20C%20%E7%9D%BF%E6%B3%95%E5%8F%8C%E6%91%86%E6%89%8B%E6%8C%81%E7%84%8A%E6%8E%A5%E5%A4%B4%E8%8B%B1%E6%96%87%E8%AF%B4%E6%98%8E%E4%B9%A6%EF%BC%88%E5%8F%8C%E9%80%81%E4%B8%9D%E5%9B%9B%E5%90%88%E4%B8%80%EF%BC%89A%E7%89%88%E6%9C%AC%202024-02-24.pdf-12.html%20-%20foldersweb.png)
4.3 Disassembly and assembly of optics lens
4.3.1 Disassembly and assembly of collimation lens
Tools: 2mm inner-hexagon wrench, dust-free cotton swab, alcohol
※ The disassembly and assembly shall be completed in a clean place.
When the lens are dismounted, the dust-free gloves or dust-free
fingerstall.
※ Disassembly and assembly steps:
Step 1: Clean up all the dust on the surface of the laser head firstly.
Step 2: Loosen the M2.5 hex socket head cap screw in the figure by hand
with a 2mm hex wrench.
Step 3: Remove the collimation handle horizontally, and pull out the
collimation drawer module.
Step 4: Seal the port with textured paper to prevent the dust from
entering the cavity, resulting in pollution.
Step 5: Rotate the gland for 90° after pressing it downward gently
and take out the gland by two bosses aligning to left/right opening to
replace the collimation lens.
(Note: orientation of installed lens in the concave and convex
direction)
M2.5 hex socket head
cap screw
Collimation handle
16.5*12*2.3
elastic sealing ring
D16*F50 collimation lens
Cap pressing
The surface which is
more convex shall be
upward
D16*F50 collimation
lens
The face which is flatter shall
be downward
12