Durr Dental Hygoclave 90, Installation And Operating Instructions Manual

Page: 49 / 64

6046100064L02 1702V002SE
47
Operation
19 Maintenance
To ensure proper operation and maintain the service life of the appliance, it is necessary to
carry out cleaning and maintenance work diligently�
Inadequately or not carried out maintenance work can cause premature defects that are not
covered by the warranty�
Wear protective equipment to avoid any risk of infection (e�g� liquid-tight protective gloves,
protective goggles, face mask)�
19.1 Maintenance schedule
Service interval Maintenance work
Daily, before commencing work Perform a Helix test, following your country-specific regulations�
Every time the device is switched
on Automatic self-diagnosis
Before each sterilisation process – Check the chamber, door seal and carrier for contamination,
deposits and damage�
– Carefully clean, disinfect and maintain the parts for
sterilisation
Weekly, before commencing work – Perform a vacuum test with the device cold and dry�
– Wipe clean and dry the covers of the waste water and fresh
water containers on a regular basis�
Monthly Check the hinge and oiling the door spindle (see "19�4 Check-
ing the hinge and oiling the door spindle")�
As required Clean and disinfect accessory parts (e�g� tray, tray handle)�
If there is soiling – Carry out complete cleaning (see "19�2 Complete cleaning")�
– Clean or replace the water filter (see "19�5 Clean or replacing
water filters")�
– Clean the tray handle and trays�
– Clean and dry the sterilisation chamber�
– Clean the door seal�
After 1000 cycles or 1 year Replace the door seal (see "19�3 Cleaning or replacing the door
seal")�
After 2000 cycles or 2 years Change the sterile air filter (see "19�6 Changing the sterile air
filter")�
After 4000 cycles or 2 years – Arrange for maintenance to be performed by a trained
service technician a few weeks before repeated performance
qualification (revalidation)�
Any modifications to the system
must be subject to evaluation and may require a renewed
performance qualification.
– Renewed performance qualification to maintain the efficacy
of the process performed by correspondingly trained expert
personnel or a test laboratory, see also EN ISO 17665
1:2006, DIN SPEC 58929; comply with country-specific
regulations�
Every 2 years Have electrical safety testing performed, e�g� in accordance
with DIN VDE 0701 0702, and ensure compliance with coun-
try-specific regulations�
Every 4 years Arrange for replacement of the safety valve� Notify customer
service�
EN