6. Check the nozzle, strainer and sealing ring for wear.
Replace components if they are heavily worn.
7. Fit the nozzle and strainer to the screw-in connector.
8. Screw in the connector making sure the sealing ring seats properly.
9. Refit the oil scavenge line.
10.5.5.2 Maintenance of the proportional controller dirt trap
See Fig. 61; Detail: B.
1. Unscrew the plug
9
and remove the strainer
11
.
2. Clean the plug, strainer and O-ring
10
with cleaning solvent or spirit.
3. Check the strainer and O-ring for wear.
When clearly worn: replace components.
4. Place the strainer on the screw plug.
5. Screw in the plug making sure the O-ring seats properly.
Making operational
1. Reconnect the negative battery terminal.
2. Close the access door.
Dispose of old parts and contaminated materials according to environmental regulations.
Starting the machine and performing a test run
1. Switch the machine on and run it in IDLE mode for approx. 5 minutes.
2. Shut down the machine.
3. Wait until the machine has automatically vented.
Pressure gauge reads 0 psig!
4. Open the outlet valves.
5. Open the right-hand access door.
6. Visually inspect for leaks.
7. Shut down the machine.
8. Close the door.
10.5.6 Changing the oil separator cartridge
The oil separator element cannot be cleaned.
The life of the oil separator cartridge is influenced by:
■ contamination in the air drawn into the compressor,
■ and adherence to the changing intervals for:
─ Cooling oil
─ Oil filter
─ Air filter
10 Maintenance
10.5 Compressor Maintenance
136
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
No.: 901765 05 USE
