Ventilation
No ventilation is required for the gearboxes G50AH045 …BH121.
The gearbox G50BH121 can optionally be fitted with ventilation units.
From G50BH132onwards, the gearboxes are supplied with ventilation units as
standard.
Gearboxes that are delivered with a ventilation unit are provided with a label.
Remove the transport locking device on the vent valve before initial commissioning.
Loosely enclosed vent valves must be mounted in accordance with the mounting position.
G50BH121 ... BH145
Mounting position M1 (A)
Mounting position M2 (D)
Mounting position M3 (B)
Filling and ventilation
+
+
+
Control
Drain
Mechanical installation
Installation
Ventilation
20
