
6
FLUDEX 4612 en
Operating instructions 10/2017
Contents
1. Technical data 8.....................................................
1.1 General data 8.......................................................................
1.2 Coupling version 9....................................................................
2. General notes 10.....................................................
2.1 Introduction 10........................................................................
2.2 Copyright 10..........................................................................
3. Safety instructions 11.................................................
3.1 Obligations of the user 11...............................................................
4. Transport and storage 14.............................................
4.1 Scope of supply 14....................................................................
4.2 Transport 14..........................................................................
4.3 Storage of the coupling 15..............................................................
4.4 Storage area for a protracted period 15...................................................
5. Technical description 16..............................................
5.1 General description of the "FN.." series 16.................................................
5.2 Construction of couplings 17............................................................
5.3 Marking of the coupling parts for use in potentially explosive areas 18.........................
5.4 Conditions of use for FLUDEX couplings in potentially explosive areas 18......................
6. Fitting 19.............................................................
6.1 Instructions for machining the finished bore, for axial fastening, set screws and balancing 20......
6.1.1 Finished bore 20.......................................................................
6.1.2 Parallel keyway 22.....................................................................
6.1.3 Axial securing 23......................................................................
6.1.4 Set screws 23.........................................................................
6.1.5 Balancing 25..........................................................................
6.2 General information on fitting 26.........................................................
6.3 Fitting the coupling parts 26.............................................................
6.4 Alignment 29..........................................................................
6.5 Possible misalignments 30..............................................................
6.5.1 Axial misalignment 30..................................................................
6.5.2 Angular misalignment 30................................................................
6.5.3 Radial misalignment 30.................................................................
6.5.4 Permissible shaft misalignment values for radial misalignment ΔKrperm. and
difference in gap dimension ΔSperm. 31..................................................
6.6 Assignment of tightening torques 31......................................................
7. Startup 32...........................................................
7.1 Procedure before startup 32............................................................
7.2 Fluid filling 32.........................................................................
7.2.1 Operating fluid 36......................................................................
8. Operation 37.........................................................
8.1 General operating data 38..............................................................