Procedure
Proceed as follows to clean the venting screw:
1. Remove the venting screw.
2. Do not allow foreign matter to enter the gear unit.
3. Wash the venting screw with cleaning solvent or a similar cleaning agent.
4. Dry the venting screw and blow it out using compressed air.
8.3.2 Checking the oil temperature
Damage to the gear unit due to excessively high oil sump temperatures.
The gear unit can sustain damage due to inadequate lubrication if you allow it to operate at oil
sump temperatures above the maximum permissible temperature.
Do not operate the gear unit above the maximum permissible oil sump temperature.
Procedure
Proceed as follows to check the oil temperature:
1. Allow the gear unit to reach its normal operating temperature.
2. Operate the gear unit with the maximum driven machine power.
3. Measure the temperature of the oil in the oil sump.
4. Compare the measured value with the maximum permissible oil temperature (Page 83).
5. Immediately stop the gear unit if the maximum permissible oil temperature is exceeded.
Contact Flender Customer Services.
8.3.3 Measuring the vibration levels of the rolling-contact bearings
Procedure
Proceed as follows to measure the vibration levels of the rolling-contact bearings:
1. Document the measurement results.
2. Compare the measured values with the comparison values that were documented when
commissioning the gear unit.
3. Replace defective rolling-contact bearings.
4. Archive the report together with these instructions.
Servicing
8.3 Maintenance and servicing work
Gear unit 5118en
88 Operating Instructions 10/2017
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