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14.6 Replacing the Motor
14.6.1 Replacing the Motor of the Motor Straight Type (Coupling Type): RA4C Type
[Items Required for Replacement]
• Replacement motor unit • Coupling (with screws)
• Allen wrenches
• Scale • Oil-based marker pen
• Grease
Idemitsu Kosan Daphne Eponex Grease No.2
• PC or teaching pendant
[Overview of Replacement]
1) Move the rod to a position where Z phase turns on (home position) (2 mm from the mechanical end). In
this position, replace the motor.
2) Perform homing using a PC or teaching pendant and check for deviation from the initial home position.
If there is a deviation, adjust the home offset
if you are using an SCON controller. If you are using an
SSEL or X-SEL controller, adjust the home preset
.
Replacement motor unit
Coupling (with screws)
Home position
Z phase ON
position
Mechanical end
Approx. 2 mm
The countermark on the motor
aligns with this position.
Set by the home offset parameter (SCON) or home preset parameter
(SSEL, X-SEL). (The above value indicates the factory setting.)
1 mm