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1. Tools to be prepared

Dustless cloth

Anhydrous alcohol with a concentration of over 98%

Dust free cotton swab

Meiwen paper

New protective lenses

2、Replace the five step song

-wiping

Wet the dust-free cloth with alcohol (cover the alcohol bottle cap in a timely manner to avoid accidentally overturning), and gently wipe the laser cutting head protective mirror window around with a dust-free cloth. The purpose of this process is to prevent dust from entering the cavity during disassembly.

-unloading

First, seal the copper mouth with masking paper, gently pull out the protective lens drawer, and seal the cavity with masking paper to prevent dust from entering. Rotate counterclockwise to remove the protective lens, and then place the lens on a dust-free cloth.

-cleaning

Gently wipe the inside of the protective lens drawer and around the insertion block with a dust-free cloth cotton swab to clean it thoroughly and prevent dust from entering.

-replacement

Take out the new protective lens, remove the protective paper on one side, and then gently cover the protective lens insert on the protective lens. Flip it over, then remove the protective paper on the other side of the lens, load it into the pressure plate, and lock it tightly.

-installation

Tear off the textured paper, gently insert the protective lens insert into the cavity, and tighten the hexagonal screw.

3、 Precautions

When replacing protective lenses, the lenses must be held on the side and not touched;

2. Check the sealing ring, if it is loose or aged, it needs to be replaced in a timely manner;

3. Avoid ventilation, turn off the fans and other ventilation equipment in the factory to prevent dust from falling on the lenses;

After the installation of new lenses, the protective lenses should be regularly inspected and cleaned and replaced in a timely manner.