SEW-Eurodrive DR63 Series - Page 4

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Operating Instructions – Explosion-Proof AC Motors DR63/eDR63, DVE250/280
Contents
5.12 Connecting category 2G and 2GD motors................................................ 27
5.13 Connecting category 3G and 3GD motors................................................ 28
5.14 Motors of category 2G, 2GD, 3D and 3GD ............................................... 31
5.15 Accessory equipment................................................................................ 34
6 Duty Types and Limit Values ........................................................................... 36
6.1 Permitted duty types ................................................................................. 36
6.2 Use............................................................................................................ 38
6.3 Safe operation of motors in category 3 ..................................................... 39
6.4 Soft-start units........................................................................................... 41
7 Startup................................................................................................................ 42
7.1 Before startup ........................................................................................... 42
7.2 During startup ........................................................................................... 43
7.3 Parameter setting: Frequency inverters for category 3 motors................. 43
7.4 Changing the blocking direction for motors with backstop........................ 45
8 Inspection / Maintenance ................................................................................. 47
8.1 Inspection and maintenance intervals....................................................... 48
8.2 Change the adapter plate ......................................................................... 49
8.3 Greasing the backstop .............................................................................. 49
8.4 Mounting a VE forced cooling fan ............................................................. 50
9 Technical Data................................................................................................... 51
9.1 Maximum permitted overhung loads......................................................... 51
9.2 Permitted ball bearing types ..................................................................... 52
9.3 Tightening torques .................................................................................... 52
10 Malfunctions ...................................................................................................... 53
10.1 Malfunctions of the motor.......................................................................... 53
10.2 Malfunctions during operation with a frequency inverter........................... 54
10.3 Customer service ...................................................................................... 54
11 Declarations of Conformity .............................................................................. 55
11.1 eDR.63 AC motors in category 2GD ......................................................... 56
11.2 AC motors DR.63 in category 3GD........................................................... 57
11.3 AC motors DVE250/280 in category 3GD................................................. 58
Index................................................................................................................... 59