4-5
www.renishaw.com/nc4
Cleaning the optics
Cleaning the optics should only be carried out by personnel who have received training in the use and
operation of laser products. Special tools, such as the cleaning tool and pin spanner, should only be used
by service personnel.
Cleaning the NC4 unit
If the air to the NC4 unit becomes contaminated, the transmitter and receiver heads may require cleaning.
Contamination will cause the system to stay in a triggered state. If contamination is suspected, identify the
cause and rectify the problem (for more information, see “Fault-nding” on page 5-1), before cleaning the
NC4 unit. If necessary, change the air pipe.
Clean the units one at a time to reduce the risk of mixing up the access panels.
Equipment required
• Pin spanner or access panel tool.
• Cleaning tool.
• Precision cleaning solvent, lens cleaner or isopropyl alcohol.
• Dust remover clean air spray.
• Cleaning swabs (× 2).
Pin spanner
Access panel
Insert cleaning
tool
Rotate cleaning tool
(approximately 70 to 80 degrees)
Cleaning tool
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