Fig. 81 Cleaning the dirt trap
1
Cyclone separator
2
Dirt trap
3
Condensate drain hose
4
Screw plug
5
O-ring
6
Strainer
7
Condensate drain hose union nut
8
Nozzle
9
Dirt trap housing
➤ Open the right-hand access door.
Cleaning the dirt trap:
1. Unscrew the plug
4
and remove the strainer.
2. Loosen the union nut
7
and detach the condensate drain hose
3
from the dirt trap.
3. Use the small screwdriver to unscrew the nozzle
8
from the dirt trap housing.
4. Clean the nozzle, strainer, screw plug, O-ring
5
and dirt trap housing
9
with cleaning solvent or
spirit.
5. Check the nozzle, strainer and O-ring for wear.
When clearly worn: replace components.
6. Place the strainer on the screw plug.
7. Screw in the plug making sure the O-ring seats properly.
8. Screw in the nozzle and re-attach the condensate drain hose.
Putting in operation:
1. Switch the «battery isolating switch» on.
2. Close the door.
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 bar!
4. Open the outlet valves.
5. Open the right-hand access door.
10 Maintenance
10.9 Options
146
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
No.: 9_9425 01 E
