Oerlikon Leybold Vacuum Sogevac SV630 B Operating Instructions Manual page 41

Fault Possible cause
Oil in intake line Oil comes from the vacuum system.
or in vacuum Anti-suckback valve is obstructed.
vessel. Sealing surfaces of anti-suckback valve
are damaged or dirty.
Oil level is too high.
Pump's oil Exhaust filters are clogged or damaged.
consumption too Nozzle of float valve is clogged.
high, oil mist at Oil level is too high.
exhaust.
Oil is turbid. Condensation.
Pump is Oil level is very low
excessively noisy. (oil is no longer visible).
Oil filter is clogged.
Large vacuum leak in system.
Power transmission by V-belts is impaired.
* Reference section : This coluum refers to the section in the Operating Instructions that contains the applicable repair information.
Never mount used seals. Always mount new seals.
Troubleshooting
Remedy
Check the vacuum system.
Clean or repair the valve.
Clean or repair the intake port and valve.
Drain the excess oil.
Replace the filters.
Check the valve, clean the nozzle.
Drain the excess oil.
Degas the oil or change the oil and clean
the pump.
Precaution : open the gas ballast valve or
insert a condensate trap.
Clean the gas ballast intake filter.
Add oil.
Change the oil and filter.
Repair vacuum leak.
Tighten or replace the V-belts.
GA02319_002_03 - 07/2007 - © Oerlikon Leybold Vacuum
Reference
section *
5.4-F
5.4-F
5.4-C
5.4-D
5.4-I
5.4-C
4.1/5.4-B
5.4-G
5.4-C
5.4-C
5.4-L
5.4-M
41