BUSCH RA 0063 F, Instruction Manual

Page: 27 / 32

Troubleshooting | 12
Instruction Manual R5 RA 0063 F5K_EN_en 27 | 32
Problem Possible Cause Remedy
The machine does not reach
the usual pressure on the suc-
tion connection. Oil level too low.
●
Top up oil.
The inlet screen (IS) is partially
clogged.
●
Clean the inlet screen (IS).
The inlet filter cartridge (op-
tional) is partially clogged.
●
Replace the inlet filter car-
tridge.
Internal parts are worn or
damaged.
●
Repair the machine (contact
Busch).
The machine runs very noisily. Worn coupling (CPL).
●
Replace the coupling (CPL).
Stuck vanes.
●
Repair the machine (contact
Busch).
Defective bearings.
●
Repair the machine (contact
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 am-
bient temperature.
Oil level too low.
●
Top up oil.
The exhaust filters (EF) are par-
tially clogged.
●
Replace the exhaust filters
(EF).
The machine fumes or expels
oil droplets through the gas
discharge. The exhaust filters (EF) are par-
tially clogged.
●
Replace the exhaust filters
(EF).
An exhaust filter (EF) with o-
ring is not fitted properly.
●
Ensure the correct position
of the exhaust filters (EF)
and the o-rings.
The float valve (FV) does not
work properly.
●
Check the float valve and
the oil pipe for clogging. Re-
move the clogging.
Version with oil return valve:
The machine runs for more
than 2 hours without interrup-
tion.
●
Regularly shut down the
machine for short periods of
time (see
Version with Oil Re-
turn Valve [
➔
16]).
The oil is black. Oil change intervals are too
long.
●
Flush the machine (contact
Busch).
The inlet filter (optional) is de-
fective.
●
Replace the inlet filter.
The machine runs too hot.
●
See problem "The machine
runs too hot".
The oil is emulsified. The machine sucked in liquids
or significant amounts of va-
por.
●
Flush the machine (contact
Busch).
●
Clean the filter of the gas
ballast valve (GB).
●
Modify the operational
mode (see
Conveying Con-
densable Vapors [
➔
16]).
For the solution of problems not mentioned in the troubleshooting chart contact your Busch repre-
sentative.