Further information
Check in the spare parts drawing and the spare parts list as to whether the gear unit is equipped
with Tacolab seals.
3.7 Cooling
Introduction
The gear unit can be equipped with the following cooling equipment depending on
requirements:
● Fan
● Cooling coil
● Oil supply system mounted on gear unit
● Separate oil supply system
When installing the gear unit, make sure that unhindered convection across the housing
surface is possible in order to protect the gear unit against overheating.
3.7.1 Fan
Principle of operation
Generally, the fan is mounted on the high-speed shaft of the gear unit and is protected from
accidental contact using an air guide cover. The fan draws in air through the protective grille
of the air guide cover and blows it along the lateral air ducts on the gear unit housing. The fan
dissipates a certain amount of heat from the housing.
Improper use can damage the gear unit. Follow the instructions given below in order to protect
the gear unit against overheating:
● When you install the protective device for the coupling or similar on gear units that are
equipped with a fan, make sure that you leave sufficient clearance for cooling air to be
drawn into the fan.
The required clearance is specified in the dimension drawing in the complete
documentation for the gear unit.
● Make sure that the air guide cover is correctly fastened.
● Protect the air guide cover against damage by external components.
Description
3.7 Cooling
Gear unit 5118en
30 Operating Instructions 10/2017
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