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3. Remove the two support elements, the brackets and the box.
4. Clean the contact surfaces of the DC bus with a clean cloth soaked in ethanol.
5. Clean the contact surfaces of the connecting bars until the bare metal surface is exposed
6. After abrading the contact surfaces, clean them immediately with a clean cloth soaked in
7. Apply a thin film of grease provided to the contact surfaces of the link rails immediately after
8. Screw the link rails together within one hour, as described in the following section.
5.8.2
Connecting the DC bus
Mounting hardware
The required number of link rail packets is provided depending on the number of transport units.
Each link rail packet comprises the following parts:
Designation
Flexible link rail
Spacer
Hexagon bolt
SHR-6KT ISO4017-M12x45-8.8-A2F greased
Hexagon bolt
SHR-6KT ISO4017-M12x70-8.8-A2F greased
SINAMICS SM150 6SL3845-7NN46-7AA2
Operating Instructions Rev.201910281345 EXAMPLE
WARNING
Arc caused by air gap that is excessively small
If you do not remove the material that is supplied to secure the busbar package then the
air gap can be too small. Air gaps that are not large enough can result in arcing.
This can result in death, serious injury or material damage.
● Remove all of the materials that were required to transport and secure the busbar
package.
and has a shiny appearance. Use an abrasive paste, for example Schleiffix, universal
cleaner from Klingspor, type No.: 120.
ethanol.
cleaning.
CAUTION
Damage to paint surfaces, cables and plastic parts and components caused by grease
The grease attacks paint surfaces, cables, contact parts & components etc.
● Do not allow the grease to come into contact with any of these parts and components.
Remove the grease immediately if it does come into contact with any of these parts.
Installation
5.8 Connecting the DC bus
Quantity
Re‐
quired
3
3
6
6
14
12
26
24
Reserve
-
-
2
2
81
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