MANN + HUMMEL ProVent
MANN+HUMMEL Industrial Filters
21
5.4 Troubleshooting
Fault
Possible cause
Solution
Oil is sucked into the intake section
Mounting height too low
No non-return valve in oil
return line
Separator element exhausted
Check mounting height
Install non-return valve in oil return
Conduct maintenance
Oil is not separated
Separator element is
damaged
Conduct maintenance
Oil on outside of ProVent housing
Seal not in seal seat
Seal defective
Housing defective
Hose not properly mounted
Overpressure valve open
Check seal, hoses and housing.
Correct if necessary
Conduct maintenance
Increased crankcase pressure
Separator element exhausted
Kinked or clogged hose
Conduct maintenance
Check hose and correct if necessary
Oil drain-off not ensured
Oil return hose kinked
Check oil return hose and correct if
necessary
5.5 Disposing of parts
Component
Material
Disposal
Oil separator element (contains oil)
PA-GF, elastomer, PU, metal,
oil, soot
Dispose of according to local regulations
Oil separator element, free of
oil/unused
PA-GF, elastomer, PU, metal
Dispose of according to local regulations
Housing parts, contain oil
PA-GF, metal elastomers, oil,
soot
Dispose of according to local regulations
Oil non-return valve, contains oil
Aluminium, PA-GF, oil, soot
Dispose of according to local regulations