Maintenance
Repair
Drain condensation
7
69
Lenze ¯ MA 12.0018 ¯ 4.1
The following lubricant quantities are required:
¯ For fast−running bearings (drive−end gearbox): fill approx. one−third of the hollow
space between rolling bodies with grease.
¯ For slow−running bearings (within gearbox and driven side of gearbox): fill
approx. two−thirds of the hollow space between roller bearings with grease.
7.3.6 Drain condensation
Depending on the mounting position, the condensation drain holes are always at the
bottom of the motor!
¯ For condensate drainage
– the motor must be deenergised;
– the plugs (screws) must be removed.
Stop!
To restore the enclosure, re−insert the plugs (screws) after condensate
drainage. If the condensation drain holes are not sealed again, the IP
enclosure of the motor will be reduced. For horinzontal motor shafts to
IP23 and for vertical motor shafts to IP20.
Fig. 20 Motor with condensation drain holes
Condensation drain holes
7.4 Repair
¯ We recommend having all repairs carried out by the Lenze Service department.
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