Fig. 13 Inlet valve filling port
1 Screw plug
2 Inlet valve
1. Unscrew the filler plug from the inlet valve.
2. Pour the stipulated amount of cooling oil into the airend and replace the filler plug.
3. Turn the airend manually by means of the belt pulley to distribute the oil.
7.6 Option C1
Activating and deactivating the MODULATING control
Use a shut-off valve to activate and deactivate the MODULATING control. If the MODULATING
control is deactivated, the machine always delivers the maximum possible compressed air quantity
in LOAD mode.
MODULATING control Shut-off valve
switch on open.
switch off close
Tab. 47 MODULATING control: Setting the shut-off valve
Precondition The supply disconnecting device is switched off,
the device is locked off,
the absence of voltage has been verified.
7 Initial Start-up
7.6 Activating and deactivating the MODULATING control
48
Service Manual Screw Compressor
ASK T SIGMA CONTROL BASIC 9_5717 20 E
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