Faults
CAP-834
48
8.4
Work for fault clearance
Clean/replace return line
1.
Switch the screw compressor off and secure it to
prevent it from being switched back on again.
2.
Close the shut-off valve on the pressure network
side and secure it to prevent it from being
opened again.
3.
Open and remove the enclosure panels with the
special wrench.
4.
Use a drip pan to make sure that the leaking oil
is collected.
Fig. 41: Return line
5.
Unfasten the return line (Fig. 41/1) on the air/oil
separator (Fig. 41/2) and the compressor airend
(Fig. 41/3).
6.
Clean the return line (Fig. 41/1) and nozzle. If
necessary, replace them with original spare
parts (
Parts List).
7.
Place the nozzle and return line (Fig. 41/1) back
in position and tighten the screw connections.
8.5
Commissioning after remedied
fault
After remedying the fault, carry out the following
steps for re-commissioning:
1.
Reset emergency stop equipment.
2.
Acknowledge fault
Controller documentation
.
3.
No persons are in the danger zone.
4.
Start the screw compressor
Controller docu-
mentation
.
