BUSCH DUPLEX - Page 29

9 | Troubleshooting
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Problem Possible cause Remedy
Vapors or oil drops escape
from the gas outlet of the
vacuum pump.
The exhaust filters (EF,
fig. 2 and 17) are partial-
ly clogged.
•
Replace the exhaust fil-
ters (EF, fig. 2 and 17).
Exhaust filters (EF, fig. 2
and 17) and o-rings are
not installed properly.
• Determine the proper
position of the exhaust
filters (EF, fig. 2 and 17)
and o-rings.
The float valve (FV,
fig. 17) does not work
properly.
•
Check the float valve.
• Let the vacuum pump
repaired by Busch.
The oil is black.
The periods between the
oil changes are too long.
•
Flush the vacuum pump.
Please contact your con-
tact person from Busch
for this.
There is a high heat de-
velopment during opera-
tion of the vacuum
pump.
•
See "High noise devel-
opment during opera-
tion of the vacuum
pump".
The oil is emulsified.
Liquids or large amounts
of vapors have been
sucked into the vacuum
pump.
Flush the vacuum pump.
Please contact your con-
tact person from Busch
for this.
Clean the filter of the gas
ballast valve (GB, fig. 2
and 17).
Change the operating
mode (see Transport of
condensing vapors
(chap. 7.3).
To solve any problems that are not listed in the section on troubleshooting, talk to your
Busch contact.