4-17
CHAPTER 4 Adjustment
(2) R-axis belt adjustment
1. Loosen the bolt 2 shown in Fig. 4-12.
2. If the load producing the slack specied in Table 4-6 (step 7) above) is
smaller than the specied range, move the R-axis motor in the direction
increasing the tension. If the load is greater than this, move it in the
direction reducing the tension. Then, retighten the bolt.
3. Recheck the belt tension using the same procedure in step 7). When the
load applied to produce the specied slack is within the specied range
of Table 4-6, the adjustment is okay. If not, repeat the above procedure
from steps 1 to 3.
9) After adjustment is complete, tighten the bolt 1 or 2 to the torque specied
in Table 4-7.
10) Reattach the upper cover to the Y-axis arm.
Refer to “7 Removing the Robot Covers” in Chapter 4 for attaching the
cover.
11) Go outside the safeguard enclosure.
12) Check that no one is inside the safeguard enclosure, and then turn on the
controller.
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