SMC Networks LEF Series

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9. Mounting/ removal of the hub (pulley) at the motor side
9-1. Remove the motor side hub (pulley) from the motor.
Step motor (Servo/ 24VDC) and servo motor (24VDC)
(1) Loosen the retaining screw (2) of the hub (pulley) (1), then remove the hub (pulley)
from the motor (3).
AC Servo Motor
(1) Loosen the retaining screw (2) of the hub (pulley) (1), then remove the hub (pulley)
from the motor (3).
Part to be
tightened
Models
Screw
Tightening torque
+/- 10% [Nm]
Type Size Qty.
(1) Hub
LEFS
∗
16
∗∗
(2) Hexagon socket
head set screw
M3x4
1
0.63
LEFS
∗
25
∗∗
M3x4
0.63
LEFS
∗
32
∗
M4x5
1.5
LEFS
∗
40
∗
M4x5
1.5
LEFS∗25(S/T/V)∗∗
(2) Hexagon socket
head cap screw
M2.5x10 1
LEFS
∗
32(S/T/V)
∗∗
M3x12
1.5
LEFS
∗
40(S/T/V)
∗∗
M3x12
1.5
LEFB25∗(S/T/V)∗S
M2.5x10 1
LEFB32
∗
(S/T/V)
∗
S
M3x12
1.5
LEFB40
∗
(S/T/V)
∗
S
M3x12
1.5
(1) Pulley
LEFS∗16(L/R)∗∗
(2) Hexagon socket
head set screw
M2.5x4 0.36
LEFS
∗
25(L/R)
∗∗
M3x4
0.63
LEFS
∗
32(L/R)
∗
M3x4
0.63
LEFS
∗
40(L/R)
∗
M4x5 1.5
LEFS
∗
25(L/R)(S/T/V)
∗∗
(2) Hexagon socket
head cap screw
M2.5x10
1
LEFS
∗
32(L/R)(S/T/V)
∗∗
M3x12
1.5
LEFS
∗
40(L/R)(S/T/V)
∗∗
M4x12 2.5
LEFB16
∗
T
(2) Hexagon socket
head set screw
M3x3
2
0.63
LEFB25
∗
T
M3x3
0.63
LEFB32∗T
M3x3 0.63
Applicable model: LEFS/LEFB
1
2
3
1
2
3
Table.9-1 Hub (Pulley) fixing screws