
Table of contents
Assembly and Operating Instructions – M1..N Series Single-Stage Helical Gear Units
4
5.3 Important information ....................................................................................................39
5.4 Prerequisites for installation..........................................................................................41
5.5 Installing the gear unit...................................................................................................42
5.6 Filling gear units with oil / delivered without oil fill (standard) .......................................47
5.7 Gear units delivered with oil fill (option) ........................................................................48
5.8 Gear units with solid shaft.............................................................................................49
5.9 Mounting tolerances......................................................................................................50
5.10 Mounting the couplings.................................................................................................52
5.11 Shaft end pump /SHP ...................................................................................................54
5.12 Motor pump...................................................................................................................54
5.13 Fan................................................................................................................................55
5.14 Cooling coil ...................................................................................................................56
5.15 Oil-water cooler for pressure lubrication .......................................................................59
5.16 Oil-air cooler for pressure lubrication............................................................................59
5.17 Oil heater ......................................................................................................................60
5.18 Temperature sensor /PT100.........................................................................................66
5.19 SPM adapter.................................................................................................................67
5.20 Thermostat valve ..........................................................................................................69
6 Startup ..................................................................................................................................... 71
6.1 Gear unit startup ...........................................................................................................71
6.2 Motor pump...................................................................................................................74
6.3 External cooling and lubrication systems......................................................................75
6.4 Oil heater ......................................................................................................................75
6.5 Measuring the surface and oil temperature ..................................................................75
6.6 Shutting down gear units ..............................................................................................76
7 Inspection/maintenance......................................................................................................... 77
7.1 Preliminary work regarding inspection and maintenance .............................................77
7.2 Inspection and maintenance intervals...........................................................................79
7.3 Lubricant change intervals ............................................................................................80
7.4 Checking the oil level ....................................................................................................81
7.5 Checking the oil consistency.........................................................................................82
7.6 Changing the oil ............................................................................................................83
7.7 Motor pump...................................................................................................................85
7.8 Shaft end pump.............................................................................................................85
7.9 Fan................................................................................................................................85
7.10 Oil heater ......................................................................................................................86
7.11 Refilling sealing grease.................................................................................................87
7.12 Checking and cleaning the breather .............................................................................87
8 Lubricants ............................................................................................................................... 88
8.1 Guidelines for selecting oil and grease .........................................................................88
8.2 Lubricant table ..............................................................................................................90
8.3 Lubricant fill quantities for horizontal gear units in M1 mounting position.....................92
8.4 Sealing greases / bearing greases ...............................................................................93
9 Malfunctions............................................................................................................................ 94
29203856/EN – 03/2020