Maintenance
32
z
Replacement procedure
1. Remove the pulley cover fixing screws, and detach
the pulley cover.
Pulley cover fixing screws (M3)
Pulley cover
2. Remove the motor mounting screws.
Model
Nominal size
EZSM3
,
EZSM4
M3
EZSM6
M4
3. Dismount the motor and remove the belt.
4. Install the pulley for maintenance to the new motor, and tighten the screws.
A
Shaft flat
Tighten the screws at
the location other than
the shaft flat on the
motor output shaft.
Model
A
Nominal size
Tightening torque
EZSM3
,
EZSM4
18.5 mm
M3
0.8 N•m (113 oz-in)
EZSM6
20.5 mm
M4
1.7 N•m (240 oz-in)
5. Mount the motor and install the belt, and tentatively fix the
motor mounting screws.
Tentatively fix the screws in a degree to be able to move the
motor when touching it.
