Cleaning Cooling Air Ducts And Passages; Maintaining The Anti-Condensation Heating - Siemens SIMOTICS HV C Operating And Installation Instructions

Maintenance
9.3 Inspection and maintenance
relubrication. This is indicated by the fact that during relubrication, oil or grease escapes at the
bearing cover.
● To remove the spent grease, loosen the outer bearing cap.
9.3.8

Cleaning cooling air ducts and passages

The cooling ducts must be free of any pollution in order that the machine is adequately cooled.
● Regularly clean the grids, ducts, ribs, pipes etc. to remove dust and pollution.
● Regularly clean the cooling air passages through which the ambient air flows, e.g. using
9.3.9

Maintaining the anti-condensation heating

The anti-condensation heating is maintenance-free. If it is defective, it can be replaced. In this
case, please contact the Service Center (Page 111).
92
NOTICE
Removing spent grease
If the spent grease is not removed, then the roller bearings become too hot and can seize
up as the grease distribution mechanism is disturbed.
WARNING
Working on the locating bearing
If the motor is in a vertical position, the rotor can fall out while work is being performed on
the locating bearing. This can result in death, serious injury or material damage.
Support or reduce the load on the rotor when carrying out work with the machine in a
vertical position.
dry compressed air.
NOTICE
Motor overheating caused by dirt
The frequency of the cleaning intervals depends on the local degree of fouling. The
machine will overheat if the cooling air ducts are polluted and the cooling air cannot flow
without obstruction.
● Regularly check for dirt.
● Clean the cooling air ducts through which the ambient air flows.
SIMOTICS HV C 1NB1402-2AA84-4CA0-Z
Operating Instructions 06/2018