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11
Maintenance and service
11.1
Maintenance intervals
The operator is responsible for determining the maintenance intervals of the measuring device.
PRIMES recommends a maintenance interval of 12 months for inspection and validation.
If the device is used sporadically (less than once a day), the maintenance interval can be extended up to
24 months.
Please note that the safety and warning functions of the device must be checked regularly.
11.2
Cleaning
Cleaning the device surface
1. After a measurement let the device cool down for an adequate period of time.
2. First clean the device surface with clean and oil-free compressed air.
3. For further cleaning, use a mixture of distilled water and isopropanol in a ratio of approx. 5:1.
Use lint-free cleaning cloths that do not cause scratches.
4. If these steps are not sufficient, please contact PRIMES or your PRIMES distributor.
11.3
Check/replace the measuring tip
NOTICE
Damage / Destruction of the measuring tip
The very small pinhole of the measuring tip can quickly become blocked by dirt particles or when
touched with bare hands.
X Wear suitable gloves when installing/removing the measuring tip from the FM+ and make sure that
the environment is free of dirt and dust
X Do not disassemble the measuring tip, otherwise it will become non-functional.
NOTICE
Damage/Destruction of the device
Imbalance of the rotation disc can damage the device.
X Never operate the device without the measuring tip.
Check measuring tip
The pinhole of a measuring tip can be checked using a HeNe laser.
Remove the measuring tip and shine a 0.5 to 1.0 mW laser into the measuring tip from behind.
The opening in the measuring tip (pinhole) should provide a clear red reflection on the outside.
68
FocusMonitor FM+
Revision 08 EN - 08/2023
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