Maintenance 7. Joint #3
11
6 LS20-B Rev.4
a new Z belt through the shaft.
Z Belt
Spline Plate
3-M4×15
Shaft
Lower the spline plate with the Z belt placed
around the spline plate pulley.
Secure the
spline plate with 3 screws.
screws temporarily so that the
spline plate can be moved by hand.
Tighten
the spline plate with the screws
while pushing
the front side of the Arm
#2 and the right side
Faces to
push the
spline plate
ass the Z belt between the motor plate of the
Joint #3 motor unit and the brake
plate.
Brake Plate
Motor Plate
Z Belt
Mount the Joint #3 motor to the motor
plate
while aligning the hub to the
brake disc.
Install the motor so that the pulley will
be
Motor Plate
Z Belt
Joint #3 Motor
4-M4×15+
Plain washer
secure the Joint #3 motor unit to the
Arm #2.
Make sure that the teeth of the timing
belt are
engaged with those of the
pulley.
Joint #3
Motor Unit
3-M5×20
+washer for
slotted hole
At this point, make sure that the Joint #3 motor unit can be moved by hand, and it
will not tilt when pulled.
If the unit is tilted, the belt will not have the proper
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