Page 24 of 63 Pages
8. MAINTENANCE INSTRUCTIONS
8.1 Preventive and Scheduled Maintenance
The maintenance operations described in this chapter have to be fulfilled
periodically, to keep the autoclave in good condition and to reduce the
breakdown time to a minimum. These operations can easily be executed by
the users maintenance personnel, according to the instructions provided
ahead.
8.1.1 Daily
Clean the door gasket with a soft cloth or a sponge.
Caution
Before starting, ensure the electric cord is disconnected and
there is no pressure in the autoclave.
8.1.2 Weekly
1. Take out the tray holder and trays. Clean the tray holder and
trays with a cleaning agent & water and with a cloth sponge.
You may use diluted lemon acid (25-50 CC lemon acid in 1
liter of water) as cleaning agent. If detergent is used, rinse the
tray holder and trays immediately with water to avoid stains
on the metal.
Do not use steel wool or steel brush as this may damage
the chamber!
2. Once a week clean and descale the chamber, copper tubes
and the reservoir using ‘Chamber Brite ™’.
3. Put a few drops of oil on the 2 door pins and door tightening
bolts.
4. Clean the outer parts of the autoclave with a soft cloth.
5. Once a week drain the water from the reservoir, and pour
fresh mineral-free water or distilled water; refer to
recommendations of water quality – para. 5.
8.1.3 Periodical tests
1. Once every month check the safety valve - refer to para. 8.4.
2. Once every month check the air trap jet - refer to para. 11.2.
3. Check the door gasket every 12 months and replace it if
required (see para. 8.3).
4. Once a year check and tighten the piping joints to prevent
leakage.
5. Once a year check and tighten all screw connections in the
control box, heaters and valves and instrumentation. This
must be done by a qualified electrician.
6. Once a year calibrate the pressure switch (B10).
7. Every 5 years test the locking device for excessive wear.
8. Perform safety tests according to local rules and regulations.
Recommendation
For OPTIMAL cleaning and de-scaling, use Tuttnauer’s powdered cleaner,
‘Chamber Brite ™’ which is user friendly and has excellent results.
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