15
Remove the two parts in sequency as shown above, and disassemble
the focus lens to maintenance with lens dismantling tool. Please mind
the proper direction of collimation lens when assembling it.
5.3 Maintenance of Focus Lens
5.3.1 Disassembly of Focus Lens
5.3.2 Cleaning of Focus Lens
①
Tools
：
dust-free wiping swabs, isopropyl alcohol, dry and pure compressed air.
②
Spray isopropyl alcohol onto the dust-free wiping swabs.
③
Gently pinch the both sides of the lens with the left thumb and index finger.
④
Hold the wiping swabs with right hand to gently wipe both sides of the
lens in a single direction from bottom to top or from left to right, and blow
the lens surface with the rubber air blow to confirm that there is no foreign
matters on the cleansed lens surface.
⑤
The cleansed lens must be installed into the cutting head
’
s body as
soon as possible or stored in other clean and sealed container.
