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9.8 Replacing Heating elements
Caution:
Before starting, be sure that the electric cord is disconnected from the
power source and that there is no pressure in the autoclave chamber.
1. Remove the autoclave cover (see para. 9.2 “Dismantling the Outer
Covers of the Autoclave”).
2. Remove the insulation.
3. Remove the heating element tightening bolts (1).
4. Release the two terminal wires from the heating element.
5. Replace the heating element (s)
5.1 Verify that the upper thermo-couple tube is connected to the
upper (cut-off) thermostat and that the lower thermo-couple tube
is connected to the lower (safety) thermostat.
6. Ensure that the heating element strap is well tightened to the
autoclave body, ensuring proper heat dissipation from the heating
element.
7. After replacing one or more heating elements run a cycle and verify
that it operates as required.
8. Retighten the fixing screws of the heaters. This operation is done
with the autoclave hot, but with the power cord disconnected from
the power outlet and autoclave door open, to ensure that the chamber
is not pressurized.
9. Re-assemble the autoclave insulation and cover.
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