MAINTENANCE
37
5.2. Greasing
The ball screw spline and reduction gear units need greasing regularly. Only use the grease specified
in the following table.
CAUTION
！
Keep enough grease in the Robot. Operating the Robot with insufficient grease
will damage sliding parts and/or result in insufficient function of the Robot. Once
the parts are damaged, a lot of time and money will be required for the repairs.
Tab 5.1 Periodic Greasing
Greasing part
Greasing Interval
Grease
Joint #1
Reduction gear units
Replace the grease every 10000 hours or 2
years, whichever occur earlier.
Contact ESTUN sales representatives.
Joint #2
Reduction gear units
Joint #3
Ball screw spline shaft
Replace the grease every 6 months or 100
kilometers, whichever occur earlier.
(Change the interval if it is necessary.)
AFB-LF+400
If the robot needs greasing, please contact us.
5.2.1.
Greasing Procedures
Please cover the furniture and peripheral equipment, etc., in case that grease/oil falls down.
(1) Turn the controller power ON.
(2) Move the arm to the position that Joint #3 is to its full motion distance.
(3) Press the brake release switch. Meanwhile, move the shaft to the upper limit.
(4) Turn off the controller.
(5) Clean up the remaining grease on the shaft and add new grease. Use tools such as a clean brush
to paint the new grease until it covers the slot on the upper end of the shaft. Then clean up the
remaining grease.
(6) Turn the controller power ON.
(7) Press the brake release switch. Meanwhile, move the shaft to the lower limit
。
(8) Clean up the remaining grease on the shaft and add new grease. Use tools such as a clean brush
to paint the new grease until it covers the slot on the lower end of the shaft. Then clean up the
remaining grease
(9) Press the brake release switch. Meanwhile, move the shaft up and down several times to apply
the grease evenly. Then clean up the remaining grease.
CAUTION
！
Turn off the controller power and remove the cover on the upper side of the arm
when cleaning up the grease on the shaft.
Incorrect operation of greasing may increase the possibility of rust on the ball
screw spline.
Summary of Contents for SCARA ER Series
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