Maintenance 7. Arm #3
G3 Rev.14 123
Joint #3 motor
Installation
the pulley and brake hub to the Joint #3
Insert the brake hub until it touches the end face
of
motor shaft and secure the hub.
Be sure to fit the end face of the pulley to
screws on the flat face of
the motor shaft until the screw just
Insert a bushing into the other set
screw hole to prevent damage to the motor shaft.
Mount the Z plate to the Joint #3 motor.
ss the Z belt of Joint #3 motor unit through the
that the gear grooves of the belt are fit
into those of the pulleys
ove the Joint #3 motor unit and spline upper
rotator part downwards together and put them on
the Arm
Loosely secure the Joint #3 motor unit to Arm
the motor unit can be moved by hand, and it will not tilt when pulled.
If the unit is secured too loose or too tight, the belt will not have the proper tension.
U1 belt around the pulley.
#4 motor unit on the Arm #2
Joint #4
intermediate
shaft
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