Putting Into Service; Test Run; Compressor Start Up - MIL'S AM 3 Notice D'utilisation

3.3. Putting into service
Before putting the unit into operation for the first time, you must observe the following:
Step Activity
1 Have all bolted and terminal connections in the switch cabinet been checked for tightness by an
electrician
2 The motor bearings of compressors, without permanent greased motor bearings, that are unused
longer than 6 month have to be regreased before putting into operation
3 For units which are operated remotely, affix a sign to the unit and in a clearly visible location. The
sign should have the following message:
CAUTION: This unit is controlled remotely and can start without warning.
When controlling the unit remotely, observe safety regulations which safeguard against the unit
being started while being checked or maintained; Affix an appropriate sign next to the remote
control switch.
4 In normal operation, do not switch off units under load using the emergency ‐ see chapter 3.4
Check the direction of rotation of the screw compressor when putting the unit into operation for
the first time, and each time after the electric cabling is changed.
The direction of rotation is anticlockwise, viewed from the front of the compressor.
The direction of rotation of the V‐belt pulley must be the same as that indicated by the arrow.
Reconnect the connection cables where necessary (electrician).
CAUTION
Operation with an incorrect direction of rotation lasting longer than approx. 2 seconds will
destroy the screw compressor.
Danger of moving parts if front doors are left open during check.
Control the direction of rotation as follows:
Step Activity:
1 Open front door.
2 Start compressor by tapping the green start button:
Release button immediately after!
3 Stop the compressor within 2 seconds by pressing the
red stop button with the other hand.
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AM3 – AM55
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Carry out a test run. This allows oil to distribute itself in the unit.
Switching off the unit when the shut‐off valve is open can result in foaming of the oil in the separator tank. This
may result in the following:

Oil is discharged with the relief air

Oil in the separator cartridge overflows

There is oil within the compressed air when restarting the unit.
This is usually not critical and the unit should return to normal during the course of operation. However, in
isolated cases, the separator cartridge may need to be replaced.
3.3.1. Test run
Step Activity:
1 Open shut‐off valve. Press start button and allow the
unit to run for max.5 seconds.
2 Press stop button.
3 Repeat steps 1 and 2 again twice.
Attention: stop compressor as described only when testing. When stopping the compressor in
normal operation kindly see chapter 3.4 "Stop of compressor".
3.3.2. Compressor start up
Danger!
There are moving parts inside of the compressor housing which can cause serious injuries.
Therefore never operate the compressor with the cabinet doors removed !
Before starting the compressor please check the following:

Is the oil level sufficient?

Has the circuit breaker been switched on?

Are any existing shut‐off valves opened?
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