36
Oil-Free Scroll Compressor 4kW ~ 15kW
7.4 Maintenance work
Necessary maintenance work
Necessary maintenance work ap-
pears on the display of the controller
as a warning
Controller documen-
tation.
7.4.1
Checking for leaks
Personnel:
◼
Qualified personnel
Protective
equipment:
◼
Safety boots
◼
Protective work clothing
◼
Light respiratory
protection
◼
Safety goggles
◼
Protective gloves
1.
Switch the oil–free scroll compressor off and
secure to prevent restarting.
2.
Close compressed air network-side gate valve
and secure against re-opening.
3.
Open and remove the sound insulation covers
with the special spanner.
4.
Check all lines and the base for leaks.
5.
Check the connectors of the components and
tighten the screws.
7.4.2
Checking the electrical
connections
Personnel:
◼
Qualified Electrician
Protective
equipment:
◼
Safety boots
◼
Protective work clothing
◼
Light respiratory
protection
◼
Safety goggles
◼
Protective gloves
DANGER!
Danger to life from stored charges!
Electric charges may be stored in
electrical components; these charges
may be maintained even after the
system has been switched off and
disconnected from the power supply.
Contact with these components may
result in serious or fatal injury.
- Before working on the specified
components, ensure that they
have been completely discon-
nected from the power supply. Al-
low 10 minutes to elapse in order
to ensure that the internal capaci-
tors have been fully discharged.
1.
Switch the screw compressor off and secure to
prevent restarting.
2.
Open and remove the sound insulation covers
with the special spanner.
3.
Open and remove the sound insulation covers
with the special spanner.
7.4.3
Checking the compressor
temperature
Personnel:
◼
Qualified personnel
Protective
equipment:
◼
Safety boots
◼
Protective work
clothing
NOTICE!
Property damage due to com-
pressor temperature that is too low
or too high!
A compressor temperature that is too
low or too high can cause damage to
the screw compressor.
- For detailed information, contact
the manufacturer.