
Contents
Assembly and Operating Instructions – X.. Series Helical and Bevel-Helical Gear Units 5
6.18 Torque arm /T .............................................................................................................199
6.19 Mounting flange /F ......................................................................................................201
6.20 Couplings....................................................................................................................202
6.21 Motor adapter /MA ......................................................................................................204
6.22 V-belt drives /VBD.......................................................................................................213
6.23 Base frame /BF...........................................................................................................227
6.24 Swing base /SB...........................................................................................................228
6.25 Motor pump /ONP.......................................................................................................228
6.26 Motor pump ONP1/ONP1L .........................................................................................228
6.27 Fan /FAN.....................................................................................................................229
6.28 Water cooling cover /CCV...........................................................................................230
6.29 Water cooling cartridge /CCT......................................................................................232
6.30 Oil-air cooler for splash lubrication /OAC....................................................................237
6.31 Oil-air cooler for splash lubrication /OAC1..................................................................237
6.32 Oil-air cooler for pressure lubrication /OAP ................................................................237
6.33 Oil-air cooler for pressure lubrication /OAP1 ..............................................................237
6.34 Oil-water cooler for pressure lubrication /OWP...........................................................238
6.35 Oil-water cooler for splash lubrication /OWC..............................................................238
6.36 Limit temperature for gear unit start............................................................................238
6.37 Oil heater /OH.............................................................................................................239
6.38 Pressure switch /PS....................................................................................................247
6.39 Temperature sensor /PT100 ......................................................................................249
6.40 Temperature sensor /PT100 (metallic) .......................................................................251
6.41 Temperature switch /NTB ...........................................................................................253
6.42 Temperature switch /TSK ...........................................................................................255
6.43 Oil filter........................................................................................................................257
6.44 Float switch.................................................................................................................257
6.45 Brake...........................................................................................................................258
7 Startup ................................................................................................................................... 259
7.1 Important notes ...........................................................................................................259
7.2 Starting up gear units in potentially explosive atmospheres.......................................261
7.3 Startup of gear units with long-term protection ...........................................................262
7.4 Shaft end pump /SEP .................................................................................................262
7.5 Motor pump /ONP .......................................................................................................262
7.6 Motor pump ONP1/ONP1L .........................................................................................263
7.7 Desiccant breather filter /DC.......................................................................................263
7.8 Water cooling cover /CCV...........................................................................................264
7.9 Water cooling cartridge /CCT......................................................................................265
7.10 Oil-air cooler for splash lubrication /OAC....................................................................265
7.11 Oil-air cooler for splash lubrication /OAC1..................................................................265
7.12 Oil-air cooler for pressure lubrication /OAP ................................................................266
7.13 Oil-air cooler for pressure lubrication /OAP1 ..............................................................266
7.14 Oil-water cooler for splash lubrication /OWC..............................................................266
7.15 Oil-water cooler for pressure lubrication /OWP...........................................................266
7.16 Oil heater /OH.............................................................................................................267
7.17 Backstop /BS ..............................................................................................................268
26012677/EN – 06/2020