6.1.2 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 2 minutes using a pre-lubrication
phase. During this time, the rolling-contact bearings and gearing are supplied with sufficient
oil for starting.
Carefully ensure that the pre-lubrication phase is not longer than 5 minutes as the oil can
foam up at low temperatures. For oil temperatures below 10 °C, heat up the oil using suitable
measures and contact Flender in this regard.
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.
6.2 Measures during commissioning
Please observe the following measures to commission the gear unit and document these:
● For gear units with oil supply system: Check that the oil supply system is working properly.
● Check the oil level.
● Measure the oil sump temperature (Page 88) after the gear unit has run in.
● Check that the shaft seal on the gear unit does not leak.
● Check that no contact with rotating parts is possible.
● Check whether the shutoff valves are open.
– Check that all of the oil drain valves are closed.
– Ensure that all of the other shutoff valves are open.
● Check all the connection lines are securely tightened and leak-free.
● For gear units with bearing monitoring by measuring the vibration: Measure the vibration
levels of the rolling-contact bearings (Page 88) to create initial and comparison values.
● When commissioning, the pressure monitor signal should be bypassed for approximately
20 seconds. This is necessary as the pressure in the gear unit must first stabilise.
Further information
You can find additional information on the topic of oil in the operating instructions BA 7300,
provided in the complete gear unit documentation.
Further information about the oil supply system can be found in the oil supply system operating
instructions in the complete documentation for the gear unit.
Commissioning
6.2 Measures during commissioning
Gear unit 5118en
80 Operating Instructions 10/2017
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