NORD Drivesystems B1092 - Manual (Page 3)

www.nord.com B1092-GB -3-
1. General information
2. Description
1. General information
The applicable national, local and plant-specific regulations and requirements must be
observed.
Technical details may vary for special designs and constructions. In case of doubt it is
urgently recommended that the manufacturer is contacted, giving details of the type and serial
number (No. …. see rating plate), or have the maintenance work carried out by a service
centre.
2.1 Field of Application
Intended use of the motors:
The motors are constructed in protection class IP55 (protection class: see rating plate). They
may be installed in dusty or damp environments. For use outdoors an additional covering is
recommended to avoid the tong-term influence of direct intense sunlight, rain, snow, ice or
dust. If necessary, consultation/technical coordination is advisable.
Ambient temperature: ......... -20°C to +40°C
Installation altitude: .............
≤
1000 m
In case of differing ambient conditions, these must be indicated on the rating plate. The details
on the rating plate then apply.
2.2 Cooling
1MA motors are self-cooling (with fan).
3. Information on the correct handling of electric motors
3.1 Transport and storage
When transporting the motor, all available lifting lugs must be used.
When transporting sets of machinery (e.g. gearbox, fan, pumps etc.) only use the attached
lifting lugs. Sets of machinery must not be lifted by hanging on the motor lifting lugs.
With long periods of storage the period of use of the bearing grease is reduced. For storage of
longer than 12 months the condition of the grease must be checked. If the check reveals
contamination of the grease (ingress of condensation causes a change in consistency of the
grease) the grease must be replaced.
The roller bearings should be replaced if the time from delivery to commissioning of the motor
exceeds 4 years.
The probable life-span of the bearing system reduces with increasing storage time.
Machined surfaces (flange surfaces, shaft ends, etc.) should be protected with corrosion
protection agents.
If necessary, the insulating resistance of the windings must be checked, see Section 3.6.
All work must be carried out only when the system is in an electrically voltage-free state.