Maintenance
Explosion-protected machines
138 56100000002002, 01/2016
9.4.2 Cleaning
Cleaning the grease ducts and spent grease chambers
The spent grease collects outside each bearing in the spent grease chamber of the
outer bearing cap. When replacing bearings, remove the spent grease.
Note
Dismantle the bearing cartridges to replace the grease in the lubrication duct.
Cleaning the cooling air ducts
Regularly clean the cooling air ducts through which the ambient air flows.
The frequency of the cleaning intervals depends on the local degree of fouling.
Material damage can occur if you direct compressed air in the direction of the shaft
outlet or machine openings.
• Avoid pointing compressed air directly onto shaft sealing rings or labyrinth seals
safety instructions for cleaning (Page 129).
9.4.3 Drain condensate
If there are condensation drain holes present, open these at regular intervals,
depending on climatic conditions.
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