maintenance/
troubleshooting
SYNRAD FH Series Flyer Operator’s Manual Version 3.4
181
Maintenance
Cleaning optics
Debris or contaminants on the
focusing lens may aect laser processing, leading to damage or failure of the
lens or marking head. Carefully follow the steps below to inspect and clean optical components. Before be-
ginning the cleaning process, read this section thoroughly to ensure that cleaning materials listed in
Table 7-1 are available and that each step is completely understood.
Important Note: Exercise great care when handling infrared optics; they are much more fragile than
common glass materials. Optical surfaces and coatings are easily damaged by rough
handling and improper cleaning methods.
T
able 7-1 Required cleaning materials
Cleaning Material Purity Requirements
Finger cots or rubber gloves Powder free
Air bulb Clean air bulb
Ethyl alcohol Spectroscopic or reagent grade
Acetone Spectroscopic or reagent grade
Lens wipe (preferred) Optical (cleanroom) quality
Cotton balls or cotton swabs High-quality surgical cotton/high-quality paper-bodied
Lens cleaning guidelines
When handling or cleaning infrared optics, observe the following guidelines:
Wear rubber or latex nger cots or rubber gloves (powder-free) to prevent contamination of optical
surfaces by dirt and skin oils.
Never handle optics with tools; always use gloved hands or ngers.
Hold optics by the outer edge; never touch the coated surface.
Always place optics on lens tissue for protection. Never place optics on hard or rough surfaces.
It may be necessary to use a ued cotton swab or cotton ball instead of a lens wipe to uniformly clean
the entire surface of small-diameter mounted optics.
Before using cleaning agents, read Material Safety Data Sheets (MSDS) and observe all necessary
safety precautions.
To remove dust, oily residues, and plastics buildup that have adhered to the surface of the focusing lens,
perform the following steps:
1
Shut o and lock out all power to the laser and marking head. You must verify that the laser is OFF
before proceeding with the optical inspection and cleaning!
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