Operating and maintenance instructions
EN
19
LI 770.03
11. Troubleshooting
TROUBLE CAUSE REMEDY
Drop in perfomances
Inlet filter is dirty Clean or replace
Leaks in the inlet pipe or on the using
machine
Eliminate leaks
Lack of lubrication
Check oil level and conditions. Fill with oil to
the right level or replace the oil
Anomalous noise
No lubrication See previous point
Coupling element worn Replace
Motor or pump bearings damaged Replace
Damaged vanes Replace
Damaged contact surfaces Pump overhaul at our workshop
Oil leak
Shaft oil seal rings worn Replace oil seal ring (pos.14-15)
Inecient oil separator Check and clean oil recovery pipe
Inecient oil recovery system Replace oil separator (pos.45)
Motor protection is tripping
Blocked exhaust filters Replace oil separator (pos.45)
No lubrication Oil level filling up
Pump seizure and jam Pump overhaul
Broken vane Replace vanes
Discharge oil mist
Inecient exhaust filters Replace oil separator (pos.45)
High temperature due to polluted oil Oil change
High operating temperature due to high
ambient temperature
Decrease room temperature by allowing a
better air exchange