4.4.5 Checking the shock and tilt indicators inside the cabinet.
Shock and tilt indicators are also located inside the cabinet. Check these as soon as you have
unpacked and opened the device. To perform the check, proceed as described in "Check shock
and tilt indicators"
See also
Checking shock and tilt indicators (Page 50)
4.5 Storage
4.5.1 Emptying the drive
NOTICE
Unemptied cooling system
The coolant can corrode the components over the long term. Coolant can also freeze at
temperatures of below 0° C causing damage to the drive.
Make sure that the coolant has been completely removed from the system before the device
is placed in storage.
If the drive is stored for a longer period of time, then close and seal all water intakes and
discharge points to protect against vermin and dirt.
If the drive was already connected to the cooling system and you want to store the drive away
again, empty the drive completely prior to storing. To empty the drive proceed as follows:
1. Open the connection between the cabinet piping and the external piping.
2. Drain the coolant.
3. Then tighten the screws again.
4. At one of the flanges of the cabinet piping, connect oil-free compressed air or a nitrogen
bottle. Use a suitable transition element. Blow out any residual water.
NOTICE
Blow-out pressure too high
If the blow-out pressure used exceeds 6 bar, the piping and the heat sink can become
damaged.
Do not exceed the blowout pressure of 6 bar. Avoid pressure surges.
Preparations for use
4.5 Storage
SINAMICS SM120 6SL38855?B
62 Operating Instructions 12/2015
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