Draining the oil from the oil cooler
1. Place the oil receptacle below the oil separator tank drain point
7
.
2. Unscrew the corresponding screwed sealing cap at the cooling oil drain.
3. Open the shut-off valve
4
at the drain connection of the oil cooler and catch the draining cool‐
ing oil.
4. Close the shut-off valve and replace the screwed sealing cap.
Performing final work steps
1. Replace the plug
2
to the filling port of the oil separator tank.
2. Close the doors.
Dispose of used oil and oil-contaminated working materials according to environmental pro‐
tection regulations.
Further information See chapter 10.5.2 for cooling oil filling.
10.5.4 Replacing the compressor oil filter
Material Spare part
Oil receptacle
Cleaning cloths
Precondition The machine is switched off.
The machine is fully vented, the pressure gauge reads 0 psig.
The machine has cooled down.
All compressed air consumers are disconnected and the air outlet valves are open.
The «battery isolating switch» is turned off.
Danger of burning from hot components and oil.
➤ Wear long-sleeved clothing and gloves.
10 Maintenance
10.5 Compressor Maintenance
No.: 901765 05 USE
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
133
