Maintenance 10. Ball Screw Spline Unit
LS20-B Rev.4 149
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.
the lower limit manually while pressing
the brake release switch.
Brake Release Switch
(4) Clamp Band
under the bellows, and then lift
the upper limit manually while pressing
the brake release switch.
Wipe off the old grease from the upper part of the shaft,
and then apply new grease.
grooves on the shaft inside the bellows
from the shaft.
Loosen the clamp band on the bellows, and then move
the bellows downward.
the lower limit manually 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.
from the shaft.
shaft up and down several times while pressing
the brake release switch to
smooth out the grease on the
Wipe off excess grease from the shaft.
bellows, move the shaft to its lower limit.
To 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
part of the cover.
Then, secure them with clamp bands.