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6-9
Chapter 6 PXYX
5-2 Replenishing grease to the ball screw
The X and Y axes use a ball screw. Grease must be replenished to this ball screw
periodically. Select the grease from the following recommended 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.
1) Turn the controller power OFF.
2) Place a sign indicating "Work In Progress" so that other operators do not turn
the controller power ON.
3) Remove the side cover. (Refer to 1-4. Installation.)
4) Apply grease onto the ball screw's shaft with a finger.
Wipe off any excessive grease.
5) After greasing, return the side cover to the original position.