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Istruzioni per installazione ed uso
8.2 INPUT SHAFT CONNECTIONS
8.2.1 Motor mounting flanges
When the unit is supplied without motor, observe the following recommendations to ensure proper installation of the
electric motor:
Check that the tolerances of the shaft and motor flange correspond to at least "normal" quality;
Thoroughly clean the shaft, spigot and flange surface from dirt and paint;
Put on the motor shaft protective paste that promotes mating and prevents oxidation (recommended
MACONGREASE TBL SPECIAL 2 antifretting grease);
Place the proper gasket (supplied by Motovario on request) on the motor flange (or spread a layer of sealant) and
proceed to the mechanical connection to the gear reducer.
For input version with elastic coupling
Before the mechanical connection to the gear reducer, proceed mounting the coupling half (see figure) on the shaft of the
electric motor that must be done without applying excessive force to avoid damaging the motor bearings. Otherwise
check the correct position and the tolerance of the motor key. Then mount the motor complete with coupling half, timing
the motor side coupling half drive teeth with those of the elastic element on the gear reducer side coupling half.
For version with input bushing (NMRV-P)
Before the mechanical connection to the gear reducer, proceed checking the mounting of the bushing (see figure) on the
shaft of the electric motor, that must take place without applying excessive force, to avoid damaging the motor bearings.
Otherwise check the correct position and the tolerance of the motor key. Then reassemble the bushing on the gear
reducer, timing the teeth of the bushing with those of the screw. Then mechanically connect the motor to the gear
reducer. Check the direction of rotation of the output shaft of the unit before installing the unit on the machine.
QL0214 ∕ REV.6
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