KC 0016 VEMAG
Seite 8 0870149431 / 130422
Replace the exhaust filter (e)
Fill in new oil
(➔ Maintenance)
In case the oil life is too short: use oil with
better heat resistance (➔ Oil) or retrofit cool-
ing
Mains frequency or voltage outside tolerance
range
Provide a more stable power supply
Partial clogging of filters or screens
Partial clogging in the suction, discharge or
pressure line
Remove the clogging
Long suction, discharge or pressure line with
too small diameter
Use larger diameter
The vacuum pump fumes or expels oil drop-
lets through the gas discharge
The oil level drops
The exhaust filter (k) is not properly seated Check the proper position of the exhaust
filter (k), if necessary insert properly
(➔ Maintenance)
The o-ring is missing or damaged Add or replace resp. the o-ring
(➔ Maintenance)
The exhaust filter shows cracks Replace the exhaust filter
(➔ Maintenance)
The exhaust filter is clogged with foreign
matter
Note: The saturation of the exhaust filter with
oil is no fault and does not impair the function
of the exhaust filter! Oil dropping down from
the exhaust filter is returned to the oil circula-
tion.
Replace the exhaust filter
(➔ Maintenance)
The oil is black Oil change intervals are too long
The oil was overheated
Flush the vacuum pump
Replace the exhaust filter
Fill in new oil (➔ Maintenance)
In case the oil life is too short: use oil with
better heat resistance (➔ Oil) or retrofit cool-
i
ng
The oil is watery and coloured white The vacuum pump aspirated water or signifi-
cant amounts of humidity
The filter of the gas ballast is clogged
Flush the vacuum pump
Replace the exhaust filter
Fill in new oil (➔ Maintenance)
Modify the operational mode
Clean the sinter metal filter (compressed air)
The oil is resinous and/or sticky Improper oil type, perhaps in confusion
Topping up of incompatible oil
Flush the vacuum pump
Replace the exhaust filter (e)
Fill in new oil (➔ Maintenance)
Make sure the proper oil is used for changing
and topping up
The oil foams Mixing of incompatible oils Flush the vacuum pump
Replace the exhaust filter
Fill in new oil (➔ page 9: Maintenance)
Make sure the proper oil is used for changing
and topping up
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