SMC Networks LEF Series Maintenance Manual

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6-1-2. AC Servo Motor
Remove the screw(1). Hold the grommet(4) while removing the end cover(2) from the
grommet downward. Remove the motor cover (3), and remove the grommet from the
cable (5).
Part to be tightened Model
Screw
Tightening
torque +/-
10% [Nm]
Type Size Qty.
(2) Motor end cover
LEFS
∗
25(S/T/V)
∗∗
-
∗
(1) Cross recessed
round head screw
M3x110
2
0.32
LEFS
∗
25(S/T/V)
∗∗
-
∗
B
M3x150
LEFS
∗
32(S/T/V)
∗∗
-
∗
M3x115
4
LEFS
∗
32(S/T/V)
∗∗
-
∗
B
M3x145
LEFS
∗
40(S/T/V)
∗∗
-
∗
M4x135
0.76
LEFS∗40(S/T/V) ∗∗-∗B
M4x165
For a replacement of motor cover, order the part referred in the spare parts list in the
attachment.
6-2. Remove the motor.
3
2
4
5
1
Table.6-2 Motor cover fixing screws
Caution)
When the motor of AC servo type is replaced, Encoder Z-
phase detecting position is
changed inevitably. (Max. 1 lead)
Adjust the home position shift distance according to the actual machine, in case of using
Z-phase for home position rerurn.
If encoder Z-phase detecting position must not be changed, actuator should be repaired in
SMC factory.

SMC Networks LEF Series Specifications

General

Brand	SMC Networks
Model	LEF Series
Category	Controller
Language	English