V. 1.0 | LPKF Laser & Electronics AG
7 Maintenance
This chapter contains important information about maintenance of the system.
Proper maintenance and the proper operation of the corresponding supply units – in
this case the extraction system – are basic requirements for a smooth function of the
system.
Maintenance has to be performed and documented regularly according to the
manufacturer's instructions.
The system is designed for a service life of 10 years used in one-shift operation (10
hours a day). The specified maintenance intervals are valid for one-shift operation at 5
days a week.
7.1 Safety
Follow the safety instructions below for your own protection and for the protection of
other persons in the vicinity of the maintenance work. The maintenance personnel
must ensure that the described prerequisites for the planned maintenance tasks are
fulfilled and they must observe the special warning messages for the individual
maintenance tasks.
Danger to life by electrical shock!
Touching energized parts causes a direct danger to life by electrical shock. Damage
to the insulation or damaged individual parts can be dangerous to life.
All work on energized components of the system must be performed by a
qualified electrician.
If the insulation is damaged, switch off the power supply immediately and initiate
the repair.
De-energize all energized components of the system or equipment, before
working with them. Ensure that the system or equipment is de-energized for the
whole time of the task.
Never bridge or deactivate fuses.
Always keep moisture away from energized parts because it can cause a short
circuit.
7.2 Maintenance schedule
The following tables provide an overview of the maintenance tasks that have to be
performed by properly trained personnel.
After 100 operating
hours
When the extraction
power weakens
noticeably.
Replacing the HEPA filter
See user manual of
the extraction system
Table 6: Maintenance schedule for the maintenance personnel of the operator
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