Comet XRCA-3023-WA, Руководство пользователя

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Maintenance and cleaning
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Inspect coolant hoses, con-
nections and pipes for cracks
and for leakages (visual in-
spection) Coolant hoses, pipes and
connections are leaking Operating personnel
Inspect the coolant quality
(visual inspection) Turbidity, airborne particles Operating personnel
Every 3 months Clean or replace the filter
strainer, see "Cleaning the
filter strainer".
Filter strainer damaged or
dirty Skilled employee
Table 7: Maintenance
9.3. Preparing the unit for maintenance
All necessary safety measures have to be taken to prevent accidents when carrying out the
maintenance. The following preparations have to be made:

Terminate the cooling operation.

Let the unit and its coolant cool down to the ambient temperature.

Switch off the unit.

Disconnect the unit from mains by pulling the mains plug.

Secure the unit against being switched on again.

Verify that the unit is disconnected.

Carry out earthing and short circuiting.

Keep unauthorized persons away from the working area.

Place the unit on a level surface.
9.4. Disconnecting the coolant hoses
The coolant hoses are connected to the unit by means of couplings. Coolant inlet and coolant out-
let are labeled with respective symbols.
Figure 8: Labeling of coolant inlet and coolant outlet
Disconnecting the coolant hoses
Requirements

Unit prepared for maintenance, see "Preparing the unit for maintenance".

Coolant cooled down to the ambient temperature.
Tools and material required