Safety instructions
General safety instructions for drive components
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Lenze ¯ MA 12.0014 ¯ 5.1
Temperatures
The permissible temperature range is determined by the following:
¯ The lubricant specifications in connection with the expected oil temperatures in
operation (see chapter 7.2 and nameplate).
¯ The thermal class of the motor considering the motor temperature expected
during operation (see nameplate and/or operating instructions of the motor).
¯ Protect geared motors against direct solar radiation. Avoid heat concentration
beneath covers.
The operating temperature is determined by the power loss, the ambient temperature
and the cooling system!
( Stop!
With mineral oil, the upper temperature limit for continuous operation is
80°C, with synthetic oil and shaft sealing rings made of FP (Viton) it is
100°C. If these temperatures are exceeded, measures are necessary to
reduce the temperature, (¶ 66).
} Danger!
Depending on the operating conditions, surfaces may be hot, provide
protection against accidental contact.
Ambient media
¯ Gearboxes are protected against dust and spray water.
¯ Motors according to their enclosure (see nameplate and/or operating instructions
for the motor).
¯ Ambient media − especially chemically aggressive − can destroy shaft seals and
coatings (plastic). Abrasive media endanger shaft seals.
¯ The installation site of the drive must be free of shocks and vibration.
¯ Protect geared motors against direct solar radiation. Avoid heat concentration
beneath covers.
¯ Dirt of dust deposits impede the heat dissipation (cooling).
Transport
Before transport
¯ check that all component parts are safely mounted;
¯ check that all component parts with a loose fastening are secured or removed;
¯ tighten all transport aids (eye bolts or support plates).
Use an appropriate means of transport and lifting equipment! (¶ 19)
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