Fig. 11 Inlet valve filling port
1
Screw plug
2
Compressor block
1. Remove the filler plug from the airend.
2. Pour the stipulated amount of cooling oil into the airend and replace the filler plug.
3. Turn the rotors manually by means of the belt pulley to distribute the oil.
7.6 Checking direction of rotation
The machine is designed for a clockwise phase sequence.
Ideally, the direction of phase rotation should be measured with a phase sequence meter.
Alternatively, the machine can be started very briefly and the rotation direction of the motor cooling
fans noted.
1. Check the direction of phase rotation with a phase sequence meter.
2. If the direction is incorrect, reverse supply phases L1 and L2.
You have no phase sequence meter?
➤ Switch the machine on and off again the moment the drive motor begins to turn.
➤ Compare the direction of rotation of the motor with the arrows on the motor and the airend
casing.
➤ If the direction is incorrect, reverse supply phases L1 and L2.
7.7 Starting the machine for the first time
Precondition No personnel are working on the machine
all access doors are closed,
all removable panels in place and secured.
1. Open the shut-off valve to the air network.
2. Switch on the power supply disconnecting device.
After the controller has carried out a self-test, the green
controller ON LED lights continuously.
3. Press the «ON» key.
The green
Machine ON LED lights continuously.
The drive motor runs up and after a short time the machine switches to LOAD and delivers com‐
pressed air.
7
Initial Start-up
7.6
Checking direction of rotation
9_6919 04 E
Service Manual Screw Compressor
SX SIGMA CONTROL BASIC
39
Summary of Contents for SX
Page 2: ...Original instructions KKW SSX 1 04 en SBA SCHRAUBEN SCB...
Page 6: ...Contents iv Service Manual Screw Compressor SX SIGMA CONTROL BASIC 9_6919 04 E...
Page 8: ...List of Illustrations vi Service Manual Screw Compressor SX SIGMA CONTROL BASIC 9_6919 04 E...
Page 10: ...List of Tables viii Service Manual Screw Compressor SX SIGMA CONTROL BASIC 9_6919 04 E...