GB
7
MAINTENANCE
Regular maintenance is important for safe, reliable operation.
Maintenance must be executed by a professional.
Only those persons who have appropriate electrical knowledge (authorized
personnel) may remove the safety plates.
Note!
All guarantee undertakings from the supplier cease to apply if the customer himself
attempts any work in the product during the guarantee period in order to rectify any
faults.
7.1
Cleaning the air filter
Release the cover plate with the dust
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filter (1).
Swing out the cover plate (2).
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Remove the dust filter (3).
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Blow it clean with compressed air at
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reduced pressure.
Replace the filter with the finer mesh
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on the side against the cover plate (2).
Replace the cover plate with the filter.
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7.2
Topping up the coolant
We recommend a 50/50 % mixture of water and ethylene
glycol.
Top up with coolant until it is up to the level of the filling hole.
CAUTION!
The coolant must be handled as chemical waste.
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