40
Cleaning and Maintenance
Maintenance intervals
The maintenance intervals stated in the following table must be observed. The following
maintenance tasks are obligatory before all prolonged unsupervised operation.
Interval
Maintenance work
monthly
▪
Check the drain screw by inspecting it from the outside
▪
Check the external hoses for material fatigue
▪
Clean the air filter
Six monthly
Check the thermal fluid
Any repairs that may be required may only be performed by a specialist authorized by
Heidolph Instruments.
In this case, contact your Heidolph Instruments dealer or a representative of Heidolph
Instruments.
Checking the thermal fluid
Contaminated or degenerated thermal fluid must be replaced. Continuing to use the
thermal fluid in this case is only permitted after obtaining corresponding test results. The
thermal fluid must be checked in accordance with DIN 51529.
Summary of Contents for Hei-CHILL 3000
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