3
UTD.123.2019-10.00_EN
9 - Motor assembly and disassembly ........................................................................................................................ 56
9.1 - General ................................................................................................................................................................................... 56
9.2 - Gearmotors with motor keyed onto hollow high speed of gear reducer ............................................................. 56
9.3 - Gearmotors with helical pinion keyed directly on motor shaft end .............................................................................................57
10 - Cooling systems ................................................................................................................................................... 58
10.1 - Fan cooling ........................................................................................................................................................................... 58
10.2 - Integrated fan cooling unit ............................................................................................................................................. 58
10.3 - Cooling by coil (serie G, H) or by internal exchanger (G series).................................................................................58
10.4 - Integrated water cooling unit (EP series) .....................................................................................................................59
11 - Accessories ............................................................................................................................................................ 60
11.1 - Heater ..................................................................................................................................................................................... 60
11.2 - Resistance thermometers (oil or bearings) ...................................................................................................................61
TCA 2BA Thermostat ................................................................................................................................................................ 64
11.4 - Oil level switch with float ................................................................................................................................................ 65
11.5 - Pressure switch with flameproof enclosure Ex d ....................................................................................................... 66
11.6 - Flow gauge BFS-20 ............................................................................................................................................................ 68
12 - Commissioning ...................................................................................................................................................... 69
12.1 - General ................................................................................................................................................................................. 69
12.2 - Running-in ........................................................................................................................................................................... 69
12.3 - Measurement of surface temperature ..........................................................................................................................70
13 - Maintenance .......................................................................................................................................................... 70
13.1 - General ...................................................................................................................................................................................70
13.2 - Oil change .............................................................................................................................................................................72
13.3 - Coil and internal heat exchanger ....................................................................................................................................72
13.4 - Seal rings ..............................................................................................................................................................................73
13.5 - Bearings ................................................................................................................................................................................73
13.6 - Metal filler plug with filter and valve .............................................................................................................................73
13.7 - Sound levels .........................................................................................................................................................................73
13.8 - Gear reducer troubles: causes and corrective actions .............................................................................................74
14 - ATEX checks and verifications .......................................................................................................................... 75
14.1 - Table of main installation checks and operations .......................................................................................................75
14.2 - Table of commissioning checks and operations .........................................................................................................76
14.3 - Table of checks and operations frequency during normal running ......................................................................77
15 - A series - Mounting positions, oil quantity and position of plugs ................................................................ 78
15.1 - Oil (quantity) levels for worm GEAR REDUCERS and GEARMOTORS ....................................................................78
15.2 - Mounting positions and plug position for worm GEAR REDUCERS and GEARMOTORS sizes .......................79
16 - E series - Mounting positions, oil quantity and position of plugs ................................................................. 81
16.1 - Oil level (quantity) for coaxial GEAR REDUCERS and GEARMOTORS ....................................................................81
16.2 - Mounting positions and plug positions for coaxial GEAR REDUCERS and GEARMOTORS sizes .................. 82
17 - G series - Mounting positions, oil levels, plug positions ................................................................................. 83
17.1 - Oil levels (quantity) for helical and bevel helical GEAR REDUCERS and GEARMOTORS sizes .......................83
17.2 - Mounting position and plug positions for helical and bevel helical GEAR REDUCERS and GEARMOTORS .................. 85
18 - H series - Mounting positions, oil levels, plug positions ................................................................................. 91
19 – EP series
-
Mounting positions, oil levels and tanks ...................................................................................... 93
20 – Plug positions and types (EP series) ..............................................................................................................104
Appendix ......................................................................................................................................................................108
Parking brakes PB series .........................................................................................................................................................108
How supplied ...................................................................................................................................................................................111
Note: the present manual is a translation of the original manual in Italian language. In case of doubt or differences of
interpretation, the Italian version shall prevail over the English manual.
