Operating and maintenance instructions
EN
21
LI 2333.03
11. Troubleshooting
TROUBLE
CAUSE
REMEDY
Drop in perfomances
Inlet pipes or machine are leaking
Identify leaking point and seal it
No lubrication
Check oil level and oil conditions.
Fill with oil to the right oil level or change the
oil and the oil filter
Inlet filters are dirty
Clean or replace
Blocked oil cooler
Clean or replace
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 rings
Oil filling/discharge plugs are leaking
Check the plug has been closed / replace the
gasket
Inefficient oil recovery system
Check and clean oil recovery pipe
Motor protection is tripping
Blocked exhaust filters
Replace exhaust filters
No lubrication
Oil level filling up
Pump seizure and jam
Pump overhaul
Broken vane
Replace vanes
Discharge oil mist
Inefficient exhaust filters
Replace exhaust filters
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
Oil is found in the inlet
circuit
Inefficient inlet valve
Check the inlet valve is tight.
Clean the valve and change any damaged
parts
