Tuttnauer 2840 ELG-D, Operation And Maintenance Manual

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Page 80
12.1.3 Periodically
By the operator
1. Once a month, activate the safety valve (see sec. 12.5).
2. Once a month clean the strainer as per sec. 12.6. Cleaning frequency
may be reduced according to experience.
3. Check the door gasket every 12 months and replace it if required (see
sec. 12.4).
4. Drain the generator every 6 months and refill it with mineral free water
(to be done by a qualified technician).
By a qualified technician
Every 6 months
 Tighten the screws of the heaters and the electrical connections at the
heaters, valves and connectors in the control box.
 Replace the air filter, every 6 months or after 1000 cycles (the shorter
period).
Once a year
This operation shall be done by an authorized technician.
 Check the continuity of the grounding connections.

Calibrate the temperature and pressure.

Perform validation of the autoclave.
 Checking the precise operation of the earth leakage relay.

Checking that the autoclave is leveled.
 Checking the safety elements; safety valve, cut-off thermostat, door
locking mechanisms.
 Checking the operation sequences, the sterilization parameters etc.

Checking the water reservoir, piping, plastic parts and electric wires.
 Checking and tightening the piping joints to avoid leakage.
 Checking and tightening all screw connections in the control box,
heaters and valves and instrumentation.
5 years

Checking the door device for excessive wear.
 Performing safety tests: pressure vessel, efficiency, electrical,
according to local rules or regulations.
To be performed only, by an authorized inspector.
12.2 Draining the Reservoirs
If the autoclave is not equipped with automatic mineral-free water
supply, this instruction applies to the clean-water reservoir and to the
waste-water reservoir.