BA series pumps
1401 Maintenance
9.7
Note
Due to slight leakage of the seal, the level may rise. This
is not a problem until oil escapes from the vent. If this
occurs, the shaft seal must be replaced by an authorised
technician.
WARNING
Leakage of oil can be extremely harmful
to the environment. Do everything necessary to prevent oil leakage.
Checking the oil level of the bearings in the vacuum pump and pump
1. Check the oil levels with the pump stopped.
2. The sight glasses (1 and 3) must be at least
half filled.
3. The oil may not be discoloured.
Note
When the oil has become grey/white in colour, this
indicates a leak and the pump must be switched off
immediately to prevent damage to the bearings.
If this occurs, the shaft sealing ring must be replaced by
an authorised technician.
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