Note On Maintenance; Wrist Unit - YASKAWA MH24 Operating And Maintenance Manual

Maintenance and inspection
9.3
NOTICE
The absolute encoder data will be lost.
Removing the encoder connector without connecting the battery pack results in the
disappearance of the encoder absolute data.
 When performing maintenance such as replacement of a wire harness in the robot, the
encoder connector may be necessary to be removed. In this case, be sure to connect
the battery pack to the battery backup connector before removing the encoder
connector. The battery connectors are dealt with in the chapter 9.2.1 "Battery pack
replacement"on page 56.
9.3.1
The motor and encoder units are provided with the wrist unit. To prevent fumes penetrating
into wrist unit, matched parts are sealed. If you have removed the wrist cover, the seal must
be replaced with sealing compound Teroson Plast sealing compound (material no. 143813)
(see section 10 "Recommended spare parts list" on page 85).
Cover jointing face
1

Note on maintenance

Wrist unit

1
2
2
1
Fig. 9-8: Sealing wrist unit
Cover
2
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