Maintenance 7. Arm #3
126 G3 Rev.14
a new Z belt around the brake unit,
and then mount it to the motor plate.
Place the Z belt of Joint #3 motor unit
around the ball screw spline unit and the
pulley.
Check the gear grooves of the belt are fit
into those of the pulleys completely.
Put the Joint #3 motor unit and the spline
upper rotator parts
them on the Arm #2 upper surface.
Be sure to keep the belt on the pulley.
Secure the Joint #3 motor unit to Arm
so that the open side faces toward the end of
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
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