Cooling - Siemens FLENDER B3 E Series Assembly And Operating Instructions Manual

For safety reasons, it is absolutely prohibited to change the slipping torque.
After having stopped the motor, there is a danger that the load is not safely held in its
position and can run in reverse direction at high speed.
As a rule, the backstop operates without wear. As a precaution, the dimension "x
checked once yearly and after every releasing operation (Type FXRT only).
The dimension "x
rating plate of the backstop. When this value ist reached, Siemens must be consulted.
To avoid damaging the backstop or the gear unit, the motor must not be run adversely
to the stop direction of the gear unit.
Observe the notice fixed to the gear unit.
If a potentially explosive atmosphere develops, the release mechanism must not be
operated (type FXRT only). If this type is used with a release device, the operating
instructions for this backstop must also be followed.
Before connecting the motor, determine the direction of rotation of the three­phase current supply using
a phase­sequence indicator, and connect the motor in accordance with the pre­determined direction of
rotation.
5.10

Cooling

Depending on requirements, the gear unit is fitted with a fan, a cooling coil, an
added­on oil­supply system with oil cooler or a separately provided oil­supply system.
In case of a separate oil­supply system, the specific instructions for this oil­supply
system must be observed.
The oil­supply system must have been designed and manufactured for use in
accordance with Directive 94/9/EC.
When installing the gear unit free convection must be ensured on the housing surface, in order
to definitely avoid overheating the gear unit.
" for the backstop must not be smaller than that stated on the
min.
BA 5033 EN 03/2011
32 / 96
" must be
min.