Yamaha Robotics YK120X Manuel D’Utilisation

5-10

The harmonic drive service life may shorten if the grease recommended by
YAMAHA is not used.

Use the following harmonic drive grease.
SK-2 (made by Harmonic Drive Systems Inc.)

Harmonic drive

• Do not apply strong shocks or impacts to these parts such as with a ham-

mer. Also, do not scratch, scar or dent these parts by dropping, etc. Such
actions will damage the harmonic drive.

• The specified performance cannot be maintained if any part of the harmonic

drive is used in a damaged state. This damage or wear may also lead to
trouble with the harmonic drive.

Since a positional shift occurs after replacing the harmonic drive, it is neces-
sary to make absolute reset, standard coordinate setting and point data setting
again.