6. Replace the plug in the filler port.
7.
Reconnect the negative battery terminal.
Starting the machine and carrying out a trial run
1. Start the machine and run in idle up to operating temperature.
2. Close the outlet valves.
3. Shut down the machine.
4. Wait until the machine has automatically vented.
Pressure gauge reads 0 psig.
5. Open the outlet valves.
6. Check the oil level after about 5 minutes.
Top up if necessary.
7. Carry out a visual check for leaks.
10.4.3 Changing the cooling oil
Drain all cooling-oil from:
■ Oil separator tank
■ Oil cooler
■ Oil pipes
Material See chapter 2.5.6 for oil filling volume.
Receptacle
New gasket for the drain plug
Funnel
Cleaning cloths
Precondition The machine is shut down.
The machine is standing level.
The machine is fully vented, the pressure gauge reads 0 psig.
The machine is at operating temperature.
All compressed air consumers are disconnected and the air outlet valves are open.
The negative cable to the battery is disconnected.
There is risk of burns from hot components and escaping oil.
➤ Wear long-sleeved clothing and gloves.
10 Maintenance
10.4 Compressor
90
SERVICE MANUAL Screw Compressor
M26 No.: 9_9446 01 USE