BA 2039 (2KJ4)Operating Instructions, 12/2022, A5E50009089A/RS-AJ 7Table of contentsIntroduction ........................................................................................................................................... 31 Fundamental safety instructions ........................................................................................................... 91.1 General safety instructions ................................................................................................... 91.2 Equipment damage due to electric fields or electrostatic discharge ..................................... 131.3 Security information .......................................................................................................... 141.4 Residual risks of power drive systems ................................................................................. 152 Specific safety instructions .................................................................................................................. 172.1 General overview ............................................................................................................... 172.2 Intended use ..................................................................................................................... 182.3 Specific hazard types and fundamental obligations............................................................. 193 Technical description ........................................................................................................................... 213.1 General technical description ............................................................................................. 213.2 Maximum permissible operation ........................................................................................ 213.3 Flexible coupling................................................................................................................ 213.4 Backstop K2X ..................................................................................................................... 224 Installing .............................................................................................................................................. 234.1 Unpacking ......................................................................................................................... 234.2 General information on installation .................................................................................... 234.3 Thread sizes and tightening torques for fastening bolts ...................................................... 254.4 Mounting an input or output element on the gearbox shaft ................................................ 254.5 Mounting the motor .......................................................................................................... 274.5.1 Mounting SIEMENS servomotors without feather key onto adapter KS ................................ 284.5.2 Mounting the standard motor to the K2 adapter................................................................. 314.5.3 Mounting the standard motor to the K4 short adapter ........................................................ 334.5.4 Mounting the servomotor with feather key to the K8 adapter ............................................. 355 Operation ............................................................................................................................................. 376 Service and maintenance .................................................................................................................... 396.1 General notes about maintenance...................................................................................... 396.2 Maintenance of the friction clutch ...................................................................................... 396.3 Lubrication ........................................................................................................................ 40