EN – 40
Incidents
Causes
Corrective actions
Pump too hot (cont’ed)
Oil contaminated.
•
Drain, flush and refill with clean oil.
Pump not prepared for the oil used
or oil unsuitable.
•
Check pump configuration or type of oil.
Considerable oil losses
Oil level too high.
•
Drain and fill with a new oil.
Operation at high pressure.
•
Use an HP type oil mist eliminator with
oil recovery.
Gas ballast open:
1 - accidentally
2 - pumping of condensable vapors.
•
1 - Close.
2 - Use a condensate collector.
Leak at oil case seal or at front seal.
•
Check the assembly and replace the
seals if necessary.
Purges gas flow too important.
Readjust.
Poor pump tightness when
switched off
Gas ballast open.
•
Close the gas ballast.
Safety valve damaged.
•
Replace by a new one.
Incorrect anti-suckback assembly.
•
Repeat the assembly.
O-ring pinched.
•
Replace by a new one.
Seals damaged.
•
Replace by a new one.
Oil contaminated.
•
Drain, flush and refill with clean oil.
Using a plastic HP valve (not tight)
Check the installation. Contact us.
Oil in plate
Oil case and frame cleaned poorly
during reassembly.
•
Remove the base and clean.
Oil case seal pinched.
•
Disassemble the oil case, clean the faces
and refit a new seal.
Front seal damaged or felt saturated.
•
Replace by new ones.
All series
C1
C2
C1 and C2
Troubleshooting and corrective actions
(cont’d)
