XT H 225 X-ray System XTM0522-B1 37
5 Maintenance
5.1 Preventive maintenance
Checks should be carried out at frequent intervals, dependent on the duty cycle of the
machine and the type of environment. Please consult with your company health and safety
officer, or local authority to establish a suitable routine inspection procedure. The following
should be regarded as a guide to a minimum standard.
If you have any queries about maintenance procedures please contact Nikon Metrology.
Routine maintenance is only to be carried out by trained personnel.
Servicing is only to be performed by trained service engineers.
5.1.1 Maintenance checks
If warning messages appear in the Inspect-X status area, there is a
fault with the machine. Report any problems to a trained service
engineer.
If in doubt about any faults, do not use the machine.
The X-ray source filament has a lifetime of approximately 200 hours. Only trained personnel
should perform filament changes, as correct filament setup is very important in achieving
good system performance.
Daily
An operator should perform the following checks on a daily basis:
1. Before switching the machine on, a visual check should be made for signs of any leakage
of fluids.
The system uses coolant and mineral oil, either of which could leak
under extreme circumstances.
If there is any evidence of leakage from under the machine, or around
the water chiller, do not switch the machine on and request a Nikon
Metrology-trained engineer to inspect the system.
Deal with any spillage using absorbent granules and alert other users by placing signs in
the area to indicate a slipping hazard.
2. Check that the access door operates smoothly and closes correctly with firm pressure.
3. Check all indicator lamps for correct functionality.
4. Check inside the cabinet for any foreign objects. Nothing should be left anywhere inside
the cabinet.
5. Run through the power-up sequence and note anything unusual.
Weekly
An operator should perform the following checks on a weekly basis:
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