Operating Manual DTT 6801 Multicontroller (MC) 086100037 © Pfannenberg GmbH Page 21 / 49
3.4.3 Mounting M8 jack rings
Danger due to uncontrolled movements and high weight of the units
Improper securing of the unit can result in severe accidents.
Assembly must only be carried out by trained, qualified personnel.
Do not walk or stand under the raised units.
Use suitable lifting equipment and secure units to prevent accidents.
Use belts with a sufficient rated strength to lift the units.
Secure assembled components immediately.
Danger of accidents due to unapproved crane transport
Movement of switch cabinets with integrated cooling units can result in accidents.
Lifting by M8 jack rings is only permitted for the cooling unit.
Ensure that jack rings and unit threads are not damaged or deformed.
Only use jack rings with an adequate thread length and ensure that they are securely seated.
The cooling units have threads for M8 jack ring installation. M8 jack rings can be installed in cooling units for
crane transport.
Requirements
- The factory-provided packaging has been removed from the cooling units.
- The minimum screw depth of the M8 jack rings (1) must be observed.
- M8 crane eyes and cooling unit threads must be free from damage (corrosion and deformation).
- The unit cover screws have been removed.
Procedure
Screw in the two M8 jack rings (1) completely with the appropriate thread depth; see figure Mounting M8 jack
rings.
Check to ensure the proper approved seating of the M8 jack rings in the cooling unit.
The M8 jack rings are installed in the cooling unit and the unit can be moved.
Figure 18 – Installing M8 jack rings
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