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Chapter 8 SXYX
4) Using a grease gun, replenish grease from the grease nipple installed on the
linear guide bearings.
Sufficient grease has been replenished when new grease starts to seep out
from the clearance between the linear guide bearings and rail.
X-axis, Y-axis
The X-axis and Y-axis each have four linear guide bearings. Replenish grease to
all four bearings.
Wipe off any excessive grease that has seeped out to the rail.
Z-axis (ZF)
One linear guide bearing is attached. A grease nipple is attached to the counter-
motor side of the slider, so move the slider to the motor side and then start the
work.
5) Install the stroke cover.
6) Confirm the surrounding safety, and then turn the controller power ON.
5-2 Replenishing grease to the ball screw
The X-axis, Y-axis and Z-axis use a ball screw. Grease must be replenished to this
ball screw periodically. Refer to section 5-3-1. for details on replenishing the
grease to the ZS/ZRS unit ball screw. Select the grease from the following recom-
mended types.
Recommended grease : Alvania No. 2 (Showa Shell)
Daphne Eponex No. 2 (Idemitsu)
!
CAUTION
When designated by YAMAHA and the user, special grease, such as splatter-
proof grease, may be applied when the robot is delivered. In this case, apply
the appropriate grease as indicated in the delivery specification drawings, etc.