Operating and maintenance instructions
EN
19
LI 3019.03
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)
Inefficient oil separator
Check and clean oil recovery pipe
Inefficient oil recovery system
Replace oil separator (pos.37)
Motor protection is tripping
Blocked exhaust filters
Replace oil separator (pos.37)
No lubrication
Oil level filling up
Pump seizure and jam
Pump overhaul
Broken vane
Replace vanes
Discharge oil mist
Inefficient exhaust filters
Replace oil separator (pos.37)
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