6.1.4 Gear units with oil supply system
Implement the following measures before commissioning the gear unit with oil supply system:
● Ensure that the maximum permissible pressure in the oil supply system components is not
exceeded.
● Ensure that the maximum permissible temperature of the oil supply system components is
not exceeded.
● Using the oil supply system, lubricate the gear unit for 3 minutes using a pre-lubrication
phase. During this time, the rolling-contact bearings and gearing are supplied with sufficient
oil for starting.
Ensure that the pre-lubrication phase does not last longer than 3 minutes, as the oil foams
up heavily at low temperatures. For oil temperatures below 10 °C, heat up the oil using
suitable measures and contact Flender in this regard.
NOTICE
Damage to the gear unit caused by inadequate or complete loss of lubrication or insufficient
cooling
The gear unit can sustain damage as a result of inadequate or complete loss of cooling or
lubrication.
Open wide the shutoff valves in the coolant inflow and outflow lines of the coolant system.
Check that the connecting pipes are firmly seated and tight.
Further information
You can find additional information on the oil cooling system in the separate data sheet, and in
the equipment list in the complete gear unit documentation.
6.1.5 Oil level monitoring system
The gear unit can be equipped with an oil level monitoring system that uses a filling-level limit
switch.
The oil level monitoring system has been designed to check the oil level when the gear unit is
at a standstill before it starts.
Note
Connect the signal so that the drive motor cannot start when the "oil level too low" signal is
active and so that an alarm is output. Bypass this signal in operation.
Commissioning
6.1 Measures to be taken prior to commissioning
REDUREX Gear unit 5200en
Operating Instructions 03/2019 85
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