Table of contents
4 Edition 09/2022 M4602-02en
5.3.2.3 Radial misalignment................................................................................................................. 39
5.4 Filling the gear unit with operating fluid.................................................................................... 40
5.4.1 Operating fluid, oil....................................................................................................................40
5.4.2 Filling quantity..........................................................................................................................42
5.4.3 Procedure ................................................................................................................................ 42
5.5 Housing.................................................................................................................................... 44
6 Commissioning ........................................................................................................................................ 47
7 Operation .................................................................................................................................................. 49
7.1 Normal operation of the coupling............................................................................................. 49
7.2 Fault – causes and correction.................................................................................................. 49
7.2.1 Procedure in the event of faults ............................................................................................... 49
7.2.2 Identifying the fault cause ........................................................................................................ 50
7.2.2.1 Possible faults.......................................................................................................................... 50
7.2.2.2 Possible causes.......................................................................................................................51
7.2.2.2.1 Unsuitable coupling.................................................................................................................. 51
7.2.2.2.2 Assembly-related causes......................................................................................................... 52
7.2.2.2.3 Maintenance-related causes.................................................................................................... 52
7.2.2.2.4 Specific assembly-related and maintenance-related causes................................................... 52
7.2.3 Resolving faults........................................................................................................................ 52
7.2.3.1 Replacing wearing parts .......................................................................................................... 52
7.2.3.2 Correcting the changed alignment........................................................................................... 53
7.2.3.3 Replacing the fusible safety plug ............................................................................................. 53
8 Maintenance ............................................................................................................................................. 55
8.1 Maintenance intervals..............................................................................................................55
8.1.1 N-EUPEX add-on coupling ...................................................................................................... 55
8.1.2 FLUDEX coupling .................................................................................................................... 56
8.2 Maximum permissible torsional backlash ................................................................................ 56
8.3 Replacing the flexible elements ............................................................................................... 57
8.4 Disassembling the FLUDEX coupling...................................................................................... 58
8.4.1 Disassembling types FND, FNDB and FNDS.......................................................................... 58
8.4.2 Disassembling type FNA.......................................................................................................... 59
8.5 Disassembling N-EUPEX add-on coupling and the hub carrier part (120) .............................. 60
8.6 Dismantling the FLUDEX coupling........................................................................................... 61
8.7 Reassembling the FLUDEX coupling....................................................................................... 62
9 Service and support................................................................................................................................. 63
9.1 Contact..................................................................................................................................... 63
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