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4.2.5e
4.2.5e
Sling the hydromechanic coupling on the hoisting device with ropes having a load
capacity suitable for its weight (see Identification Plate). Lift the coupling to a min-
imum height, approach it to the installation shaft with slow movements and fit it on
the taper sleeve of the motor.
CAUTION
Do not hit, bang about or exert any force on the coupling shells.
DANGER OF DAMAGING THE BEARING SEATS, CRACKINGS, VIBRATIONS
AND/OR UNBALANCE.
4.2.5f
Insert the retaining screw on the end of the shaft provided with a suitable washer
and screw it on the drive shaft.
4.2.5g
Tighten the central clamping screw, preventing any motion of the machine or motor shaft,
where it is mounted. For tightening, respect the torque values as reported in the table.
COUPLING SIZE
TAPER BUSH BC
RETAINING
SCREW
CLASS
TORQUE Nm
30 / 30P
3BC 54 D= ø28
3BC 54 D= ø38
*
3BC 54 D= ø42÷50
M10
M12
M16
8.8
8.8
8.8
50
80
210
40P
4BC 58 D= ø38÷40
4BC 58 D= ø40÷42
*
4BC 58 D= ø48÷50
M12
M16
M16
8.8
8.8
8.8
80
210
210
50 / 55
5BC 73 D= ø38÷40
5BC 73 D= ø40÷50
*
5BC 73 D= ø55÷65
M12
M16
M20
10.9
8.8
8.8
120
210
230
60 / 65[B]
6BC 79,5 D= ø40÷50
6BC 79,5 D= ø55
*
6BC 79,5 D= ø60÷65
M16
M20
M20
10.9
8.8
8.8
290
410
410
*
Coupling with taper bush without keyways
4.2.5f
4.2.5g
P
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4 - i
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a
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c
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ROTOMEC
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M
aintenance
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