BUSCH R5 ATEX, Instruction Manual

Page: 33 / 40

Troubleshooting | 11
0870572240_RA0400-0630C_Ex_-0011_IM_en 33 / 40
The machine runs very nois-
ily. Worn coupling (CPL). • Replace the coupling
(CPL).
Stuck vanes. • Repair the machine (con-
tact Busch).
Defective bearings. • Repair the machine (con-
tact Busch).
The machine runs too hot. Insufficient cooling. • Remove dust and dirt
from the machine.
• Check the cooling fan.
Ambient temperature too
high. • Observe the permitted
ambient temperature.
Oil level too low. • Top up oil.
The exhaust filters (EF) are
partially clogged. • Replace the exhaust filters
(EF).
The machine fumes or ex-
pels oil droplets through the
gas discharge. The exhaust filters (EF) are
partially clogged. • Replace the exhaust filters
(EF).
An exhaust filter (EF) with o-
ring is not fitted properly. • Ensure the correct posi-
tion of the exhaust filters
(EF) and the o-rings.
The float valve (FV) does
not work properly. • Check float valve and the
oil return line, repair it if
necessary (contact Busch).
Abnormal oil consumption. Oil leaks. • Replace seals (contact
Busch).
The float valve (FV) does
not work properly. • Check float valve and the
oil return line, repair it if
necessary (contact Busch).
The machine runs at atmo-
spheric pressure for a long
period. • Make sure that the ma-
chine operates under va-
cuum.
The oil is black. Oil change intervals are too
long. • Flush the machine (con-
tact Busch).
The inlet filter (optional) is
defective. • Replace the inlet filter.
The machine runs too hot. • See problem "The ma-
chine runs too hot".
The oil is emulsified. The machine sucked in li-
quids or significant amounts
of vapour. • Flush the machine (con-
tact Busch).
• Clean the filter of the gas
ballast valve (GB).
• Modify the operational
mode (see
Conveying
Condensable Vapours
[
► 24]
).
For the solution of problems not mentioned in the troubleshooting chart contact your
Busch representative.