Page 48 of 66 Pages
9 MAINTENANCE INSTRUCTIONS
9.1 Preventive and Scheduled Maintenance
The maintenance operations described in this chapter have to be fulfilled
periodically to keep the device in good condition and to reduce the
breakdown time to a minimum.
The user maintenance personnel can easily execute these operations in
accordance with further instructions.
The owner of the autoclave is responsible to order an authorized technician
to perform the periodical tests and preventive maintenance operations, as
specified in the technician manual.
Use only mineral-free water as detailed in para. 2.13 (water quality).
Warning:
Before carrying out any preventive maintenance operation, ensure that
the electrical cord is disconnected and that there is no pressure in the
autoclave.
9.1.1 Daily
Clean door gasket with a soft cloth. The gasket should be clean
and smooth.
9.1.2 Weekly
1. Once a week clean and descale the chamber, copper tubes
and the reservoir using ‘Chamber Brite™’ (see para. 9.9).
Caution
Do not use steel wool or steel brush as this can damage the
chamber!
2. Put a few oil drops on the 2 door pins and door tightening bolt.
3. Clean the outer parts of the autoclave with a soft cloth.
4. Once a week, or after 20 cycles (whichever comes first),
drain the water from the reservoir, and refill with fresh
mineral-free water or distilled water (see para. 9.2).
5. Clean the electrode with a soft cloth.
9.1.3 Periodically
1. On models ELC replace the air filter, every 6 months (to be
performed by a technician).
2. Check the door gasket every 12 months and replace it if
required (see para. 9.5). Replacing the gasket of models 5050,
5075 shall be done by a technician.
3. Once a year check and tighten the piping joints to avoid
leakage.
4. Once a year check and tighten all screw connections in the
control box, heaters and valves and instrumentation.
5. Once a month clean the strainer as per para. 9.3. Cleaning
frequency may be reduced according to experience.
6. Once every six months clean the fan grid, from the inside
outward, with a vacuum cleaner.
9.1.4 Periodical Tests
1. Once every month activate the safety valve (see para. 9.4).
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