14 Maintenance
Prior to working on the unit or in case of danger, disconnect it from the mains.
WARNING
Risk of infection due to burst filters
Particles enter the compressed air network and can therefore enter the mouth of the patient.
❯
Replace filters in accordance with the maintenance schedule.
14.1 Maintenance schedule
NOTICE
Risk of damage to the unit due to blocked filters
Continuous running due to reduced delivery. Damage to the unit due to burst filters.
❯
Replace filters in accordance with the maintenance schedule.
Maintenance
interval
Maintenance work
At regular intervals
❯
Empty the collector tray under the drying unit (the interval may vary depending
on the ambient conditions and method of working; empty it daily if the humidity
is high).
After approx. 1000
operating hours.
LED on the filter
replacement but-
ton lights up
❯
Replace the air intake filter.
❯
Replace the fine or virus bacteria filter.
❯
Replace the sintered or coalescence filter.
In accordance with
national law
❯
Check the safety valve.
❯
Carry out recurring safety inspections (e.g. pressure tank inspections, electrical
safety inspections) in accordance with applicable national laws.
14.2 Wear parts and replacement parts
The following wear parts must be replaced at regular intervals:
Air intake filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0832-982-00
Fine filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1610-121-00
Virus bacteria filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1650100172
Sintered filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1650-101-00
Coalescence filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1650200323
To configure the required filters or filter sets, you can also use our filter configurator at:
www.duerrdental.com/filterkonfigurator
Any repairs exceeding routine maintenance may only be carried out by qualified personnel or our
service.
Usage
4252100034L02 2105V002
33
EN