Edition: 11/2007
Technical Instructions
Commissioning and Maintenance Guide
TAM 00 526
Page 5 / 18
The shaft end face or the rating plate shows the active force status of the motors (H = half feather
key balancing, F = full feather key balancing).
When assembling the drive elements pay attention to the active force status!
In the case of versions with half feather keys (H), the coupling must also be balanced with a half
feather key. Machine off any protruding visible portions of the feather key.
In the case of types with shaft ends pointing upwards, it is advisable to fit a protective cover; with types
that have shaft ends pointing downwards, you must take precautions to prevent water entering the
bearing. Do not inhibit ventilation!
In the case of types with shaft ends pointing upwards or downwards, the customer must fit a cover that
stops contaminants from falling into the ventilation. Ventilation must not be inhibited and the exhaust air of
neighbouring equipment must not be directly sucked in. In the motor's incoming and outgoing air areas,
the distance to a neighbouring machine section must be at least the height of the motor shaft.
Commutation and the service life of the brush can be negatively affected by cooling air that is chemi-
cally contaminated or that contains dust. You can guarantee good carbon service life by ensuring that
the moisture content of the air is not less than 1g/m³ and not more than 15g/m³.
1.6 Electrical Connection
All work may only be carried out by qualified specialists, with the motor idle, deenergized and se-
cured from being switched on again. This also applies to auxiliary circuits, e.g. an anti-
condensation heater.
Check that the equipment is deenergized!
Exceeding the tolerances specified in EN 60034/VDE 530 Part 1/IEC 34-1 i.e. voltage by ± 5% or an
awkward form factor due to the type of current converter feeding, increases the temperature rise and
affects electromagnetic compatibility.
Observe the information on the rating plate and in the terminal diagram in the terminal box.
The equipment must be coupled up such that a permanent, safe electrical connection is maintained
(no protruding wire ends), use the assigned cable tips.
Make a safe PE connection.
The smallest clearances between uninsulated, live parts and ground must be according to VDE
0170/0171 Part 6 (EN 50019).
There may be no foreign bodies, dirt or damp in the terminal box. Seal any unneeded cable entry
holes, and the terminal box itself dust- and water-tight.
Secure the feather key for test operation without drive elements. When connecting and installing acces-
sories (e.g. tachometer generators, pulse encoders, brakes, temperature sensors, air-flow monitors,
brush monitoring units) and additional equipment, always observe the appropriate information; if nec-
essary, consult the motor manufacturer.
In the case of motors with brakes, check that the brake is working properly before carrying out commis-
sioning.
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