
14 Baumer_KTD3A4-SKTD3A4_OI_DE-EN_1606indd
5. Mechanical Mounting
5.1. Preparations
• Attention!Observethesafetyinstructionsinchapter4.
• Make sure the drive will not be operational for the time of tachogenerator
installation.
• Priortoanyinstallationwork,switchoffoverallvoltagesupplyandensure
machinery is idle..
• Werecommendsufcientcontactsurfaceaccordingtothedimensionsspeciedin
chapter8.Fortachogeneratortypeidenticationseeproductlabel.
• TypeSKTD:Alternatively,amountingbracketmaybeusedforinstallation(see
illustration).Thebracketmustbermlyattachedatthedrivecontactsurface.Maxi-
mum radial runout error of the mounting bracket is 0.02 mm. Mounting brackets are
available as an accessory.
• Priortoinstallation,makesureanymotorpartsprotrudingintothetachogenerator
arecleanandfreefromlubricantsoroil.Lubricantsoroilheatingupmayaffectthe
collectorandcausevoltagedrops,worseresidualripple,lamellashort-circuitingor
groove formation with severe carbon abrasion.
• Duringassembly,makesurerotorandhousingprovidethesamenumberwhichis
seen on the housing label and hand-written on the rotor itself.
5.2. Installation
• Makesurethenecessarypreparationsforinstallationaccordingto
chapter5.1.arepresent.
1. Remove all four plastic caps provided on the side of the housing.
2. Take out the carbon brushes or adjust their position.
Note:Toquicklyachieveoptimalperformanceofthepre-runbrushes,werecom-
mend not taking them out but just putting them into position. It will take them only
some hours of operation to run in.
3. Slide rotor onto drive shaft.
Important:Rotormustsmoothlyslidealongdriveshaft,donotapplyforce.
Neveruseahammer.Wheretistight,useatoolsupportedbythesteelhollow
shaft in order to prevent the rotor from getting jammed.
4. Avoid any skin contact with the collector’s running surface.
5. Whenslidingontherotor,observedimensionbwhichisspeciedinchapter8and
mandatory to be observed.
Firmly attach rotor to the drive shaft and secure by axial screws (see dimensional
drawing).Fordevicesusingaclampingelement,thetighteningtorqueis6Nm(A/F
22) with manually applied counter torque.
6. Putonthehousing,therotorconnectionmaybeinanyposition.