8.2 Inspection and maintenance intervals
Regular maintenance consists of 3 intervals:
1. Daily inspection includes:
By the dust extractor’s user
Visual inspection
for damage to the device or its parts,
for mechanical damage to the power cable,
Cleaning the filter
for a full dust collection container (regulations require that the container be
emptied if it is more than 2/3 full)
2. Monthly inspection includes:
By expert maintenance personnel
Visual and functional inspection,
for filter leaks (dust trails or deposits on the air outlets)
to assure suction performance. During the inspection, the strength of the air
flow at the exhaust opening must be checked. If the performance is too
weak, the filter must be cleaned also.
3. The main annual inspection includes:
The last test by ESTA is documented on the device!
In collaboration with the ESTA maintenance service
Flow volume measurement
Vacuum measurement
Current consumption measurement
Visual check of filters
Seal inspection
After maintenance, the device receives a new test plate to document that
maintenance has been performed.
This inspection must be done once per year!
The maintenance work must be recorded in writing in the maintenance book
provided. This must make clear the equipment inspected and, if necessary,
the deficiencies found, along with the name of the inspector and the date of
the inspection.
If there is a malfunction, the dust extractor must be switched off
immediately and the responsible maintenance service notified.
Maintenance must be performed according to accident prevention
regulations. The device must be disconnected from the power supply.