1. Remove the screw plug 3 .
2. Remove and clean the O-ring 4 .
3. Remove the strainer 2 and blow clean with compressed air.
4. Insert the strainer and replace the O-ring and plug.
Renew the strainer and/or O-ring if necessary.
5. Open the user's shut-off valve between the machine and the air distribution network.
Manually draining the condensate
Precondition The air receiver is pressurized.
Wear eye and ear protection.
1. With the shut-off valve closed, insert the hose male fitting 6 into the hose coupling 9 .
2. Open the shut-off valve 11 .
3. Slowly open the shut-off valve 7 in the maintenance hose and allow the condensate to drain
completely.
All condensate is drained when only compressed air is blown out.
4. Close the shut-off valve 11 and unplug the male hose fitting.
10 Maintenance
10.18 Air receiver maintenance
9_6917 34 USE
Operator Manual Screw Compressor
AIRTOWER 3C–7.5C Tri-Voltage
81