Maintenance 10. Ball Screw Spline Unit
142 LS Rev.10
10.1.2 Cleanroom-model
Cover the surrounding area such as the end effector and peripheral equipment in case the
grease drips.
Controller. Stop motor excitation. (MOTOR OFF)
Move the arm to a position where Joint #3 can be moved in full stroke.
while pressing the brake release switch.
Loosen the clamp band under the bellows, and
then lift the bellows.
while pressing the brake release switch.
Wipe off the old grease from the upper part of
the shaft, and then apply new grease.
Directly fill the grooves on the shaft inside the
bellows with grease by hand.
Loosen the clamp band on the bellows, and then
move the bellows downward.
while pressing the brake release switch.
Wipe off the old grease from the lower part of
the shaft, and then apply new grease
Directly fill the grooves on the shaft inside the
bellows with grease by hand.
shaft up and down several times while
pressing the brake release switch to
bellows, move the shaft to its lower limit.
attach the lower bellows, move the shaft to its upper limit.
To move the shaft up/down, press and hold the brake release switch.
Attach the mounting part of the bellows
until it touches the cylindrical
Then, secure them with clamp band