4-34
CHAPTER 4 Adjustment
8) Adjust the distance (L) between the Z-axis mechanical stopper and the axis
end so it is set to the value shown in Table 4-3. Then tighten the four bolts
to reassemble the Z-axis motor. (See Fig. 4-10, Fig.4-11) At this point, do
not allow the spline shaft position to shift from the correct height.
9) After reassembling the Z-axis motor, adjust the timing belt tension.
To adjust the timing belt tension, see "8 Adjusting the Timing Belt Tension"
in Chapter 4.
10) Go outside the safeguard enclosure.
11) Check that no one is inside the safeguard enclosure, and then turn on the
controller.
12) Perform the Z-axis absolute reset.
To perform the Z-axis absolute reset, see "3-3 Absolute reset procedures"
in Chapter 4.
After absolute reset is complete, use the following procedure to check if
the adjustment machine reference value is within the tolerance range (26
and 74).
WARNING
IF THE Z-AXIS MOTOR COMES OFF THE Z-AXIS BELT, THE Z-AXIS
DROPS CAUSING A HAZARDOUS SITUATION. BE SURE TO PROP THE
Z-AXIS WITH A SUPPORT STAND.
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