Jasic LS-15000F - Page 33

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6. Maintenance
6.1 Maintenance and replacement of the protective lens and focal lens
The protective lens of the welding torch head needs regular maintenance and wiping to avoid dust or
stains. If there is debris on the surface of the lens, it will affect the light emission and lead to a decrease in
welding performance, or even burn the lens.
6.1.1 Tools required
Rubber gloves or finger clots
Lens cleaning cloth
Non-woven cotton swab
Textured tape (width: 5 cm)
Anhydrous ethanol (purity ≥ 99%)
6.1.2 Operation steps
1) Cut off the power supply of the machine;
2) Wear rubber gloves or finger cots, open the lens protection cover, and take out the protective lens
base;
3) Immediately close the lens protection cover to prevent the dust from ingression into the device;
4) Wipe the surface of the protective lens with a cotton swab dipped with some anhydrous ethanol;
5) If damaged lenses are found, replace them timely with new ones;
6) Install the protective lens bracket into the welding head, pay attention to the installation direction, and
close the lens protection cover.
 Please perform lens maintenance or replacement in a dust-free environment!
 Do not touch the surface of the protective lenses with your fingers!
 Do not blow debris on the surface of the lens with your mouth!
 If the white energized sealing ring under the lens is scratched or deformed, it
must be replaced immediately!