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9
Replacing the R-axis dr
iv
e unit
9-4
1.3 Replacing the R-axis ball spline
Follow the steps below to replace the R-axis ball
spline.
Step1
Remove the Z-axis stopper.
Removing the Z-axis stopper
Step 1
Z-axis stopper
Z-axis stopper mounting bolt
M4×12
53905-FV-00
Step2
Remove the bolt that secures the
R-axis ball spline.
Removing the R-axis ball spline unit
Step 3
Spline nut mounting bolt
M4×12
Bearing mounting bolt
M5×10
Washer
Step3
Remove the R-axis ball spline unit.
53906-FV-00
Step4
Remove the ball spline and replace
it with a new one.
Replace the ball spline (OMRON’s part No.
KDS-M1840-00) in assembly state with two
bearings (90933-01J002) and U nut (90990-
16J012).
53907-FV-00
Step5
Assemble a new ball spline in the
reverse order of removal.
When assembling the new ball spline, it is
necessary to adjust the belt tension and
machine reference.
Replacing the ball spline
Step 4
Turn the ball spline slightly
when pulling it out.
V nut
90990-16J012
Bearing 2pic
90933-01J002
Ball spline (5)
KDS-M1840-01
Summary of Contents for SCARA R6Y XE Series
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Page 139: ...Chapter 11 Maintenance parts Contents 1 Consumable parts 11 1 2 Basic specification 11 2...
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