BUSCH R 5 series User Manual

Troubleshooting | 12
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The machine does not reach
the usual pressure on the
suction connection.
Oil level too low. • Top up oil,
see Filling Oil [►16].
The inlet filter cartridge (IF)
is partially clogged.
• Replace the inlet filter
cartridge (IF).
Internal parts are worn or
damaged.
• Repair the machine (con-
tact Busch).
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 heat exchanger
(AHE).
Ambient temperature too
high.
• Observe the permitted
ambient temperature.
Oil level too low. • Top up oil,
see Filling Oil [►16].
The exhaust filters (EF) are
partially clogged.
• Replace the exhaust filters
(EF), see Exhaust Filter
Change [►45].
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.
• Drain the oil and fill in
new oil, see Oil Change.
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
[►29]).

BUSCH R 5 series Specifications

General

Brand	BUSCH
Model	R 5 series
Category	Water Pump
Language	English