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Hypertherm HyIntensity Fiber Laser Rev.3 User Manual

Page 201

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Maintenance

HyIntensity Fiber Laser

Instruction Manual – 807090 Revision 3

4-9

Drop and drag cleaning method
This method of cleaning prevents excessive pressure from being applied to the lens surface, which can cause foreign

objects to scratch the lens. This cleaning method works best on the flat side of the lens.

2. Put a piece of lens tissue on the flat surface of the lens and put three or four drops of the Isopropyl alcohol on

the lens tissue.

3. Slowly drag the tissue over the lens allowing the Isopropyl alcohol to evaporate as the tissue is pulled across

the surface. Inspect the lens for contamination as described earlier and repeat this step if necessary.

Lens

holder

Lens

Lens holder

washer

Spring

washer

Lens

retaining ring

Seal

O-ring

Lens

window

Seal