FLENDER FLUDEX

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Original assembly and operating instructions

M4602-02

Edition 09/2022

06/02/2023

15:28:58

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Table of Contents3
Introduction11
Legal Information11
About These Instructions12
Text Attributes12
Copyright13
Safety Information15
General Information15
Table 2-1 General Warnings16
Intended Use17
Safety Information for a Coupling When Used in Potentially Explosive Atmospheres17
Marking17
Conditions of Use18
Table 2-2 Temperature Classes (X) for Explosive Atmospheres as a Result of Gases, Vapours or18
Table 2-3 Maximum Surface Temperature (X) for a Potentially Explosive Atmosphere as a Result of18
General Warning Notices19
Description21
Design of the Couplings22
Figure 3-1 General Description of Series FN22
Coupling Versions24
Figure 3-2 Coupling Model24
Application Planning25
Transport of the Coupling25
Storage of the Coupling25
Figure 4-1 Transport Symbols25
Table 4-1 Types of Preservative Agents for Long-Term Storage26
Assembly27
Preparatory Work27
Mill the Finished Bore28
Table 5-1 Recommended Assigned Fits for Bores with Parallel Key Connection28
Figure 5-1 Tolerances for Finished Bore30
Mill the Parallel Keyway31
Machining an Axial Locking Mechanism31
Table 5-2 Maximum Bores for the Hub Parts31
Table 5-3 Position of the Parallel Keyway31
Figure 5-2 Diameter and Axial Position of the Threaded Hole in the Hub32
Balancing the Coupling33
Table 5-4 Diameter and Axial Position of the Threaded Hole, Tightening Torque33
Figure 5-3 Position of the Balancing Bore for Single-Plane Balancing34
Mounting the Coupling35
Figure 5-4 Position of the Balancing Bore for Two-Plane Balancing35
Mounting the Coupling Hubs36
Figure 5-5 Mounting the Coupling Parts37
Aligning the Coupling38
Purpose of Alignment38
Possible Misalignment39
Axial Misalignment39
Angular Misalignment39
Radial Misalignment39
Figure 5-6 Possible Misalignments39
Filling the Gear Unit with Operating Fluid40
Operating Fluid, Oil40
Filling Quantity42
Procedure42
Figure 5-7 Filling the Coupling43
Housing44
Table 5-5 Filling Quantity in Litres44
Commissioning47
Operation49
Normal Operation of the Coupling49
Fault - Causes and Correction49
Procedure in the Event of Faults49
Identifying the Fault Cause50
Possible Faults50
Possible Causes51
Unsuitable Coupling51
Table 7-1 Table of Faults51
Assembly-Related Causes52
Maintenance-Related Causes52
Specific Assembly-Related and Maintenance-Related Causes52
Resolving Faults52
Replacing Wearing Parts52
Correcting the Changed Alignment53
Replacing the Fusible Safety Plug53
Maintenance55
Maintenance Intervals55
N-EUPEX Add-On Coupling55
FLUDEX Coupling56
Maximum Permissible Torsional Backlash56
Table 8-1 Maintenance Intervals56
Table 8-2 Operating Temperatures, Operating Hours and Years of Use56
Replacing the Flexible Elements57
Table 8-3 Maximum Permissible Torsional Backlash57
Figure 8-1 Markings for Calculating the Torsional Backlash57
Disassembling the FLUDEX Coupling58
Disassembling Types FND, FNDB and FNDS58
Disassembling Type FNA59
Disassembling N-EUPEX Add-On Coupling and the Hub Carrier Part (120)60
Dismantling the FLUDEX Coupling61
Figure 8-2 Dismantling the FLUDEX Coupling61
Reassembling the FLUDEX Coupling62
Service and Support63
Contact63
Disposal65
Replacement Parts67
Ordering Replacement Parts67
Spare Parts Drawing and Spare Parts List67
Types FNO, FNA, FND67
Types FNDB, FNDS69
Technical Specifications73
Filling Quantity73
Filling Quantity for FLUDEX Couplings FN73
Table A-1 Filling Quantity for FLUDEX Couplings "FN73
Filling Quantity for FLUDEX Couplings "FN.." Size 42574
Table A-2 Filling Quantity for FLUDEX Couplings "FN74
Filling Quantity for FLUDEX Couplings "FN75
Table A-3 Filling Quantity for FLUDEX Couplings "FN75
Filling Quantity for FLUDEX Couplings "FN76
Table A-4 Filling Quantity for FLUDEX Couplings "FN76
Filling Quantity for FLUDEX Couplings "FN77
Table A-5 Filling Quantity for FLUDEX Couplings "FN77
Table A-6 Filling Quantity for FLUDEX Couplings "FN77
Filling Quantity for FLUDEX Couplings "FN78
Shaft Misalignment Values During Operation79
Table A-7: Filling Quantity for FLUDEX Couplings "FN.." Size 88779
Table A-8 Maximum Permissible Shaft Misalignment Values During Operation79
Tightening Torques and Widths A/F80
Tightening Torques for Parts 13, 23, 24, 103, 110, 142 and 16380
Tightening Torques for Parts 130, 131, 139, 153 and 17380
Table A-9 Tightening Torques for Parts 13, 23, 24, 103, 110, 142 and 16380
Table A-10 Tightening Torques for Parts 130, 131, 139, 153 and 17380
Tightening Torques for Retaining Screws81
Tightening Procedure81
Table A-11 Tightening Torques for Retaining Screws81
Table A-12 Tightening Procedure81
Flexible Elements (12)82
Use and Storage of Flexible Elements (12)82
N-EUPEX Flexible Elements (12)82
Table A-13 N-EUPEX Flexible Elements82
Declaration of Conformity83

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