Notes For Maintenance; Wrist Unit - YASKAWA MOTOMAN-HP20D Maintenance Manual

HP20D
2

Notes for Maintenance

2.1
2 Notes for Maintenance

2.1 Wrist Unit

• When performing maintenance such as replacement of a
wire harness in the manipulator, the encoder connector
may be necessary to be removed. In this case, be sure to
connect the battery pack to the battery backup connector
NOTE
before removing the encoder connector.
Removing the encoder connector without connecting the
battery pack leads to disappearance of the encoder
absolute data.
• Do not remove the battery pack in the connector base.
Wrist Unit
• Refer to Fig. 2-1 "Wrist Unit".
The motor and encoder unit are provided to the wrist unit. The matching
surfaces of the wrist cover and the wrist unit are sealed with sealing bond
to prevent fumes from penetrating into the wrist unit.
After removing the wrist cover, make sure to reapply sealing bond
(ThreeBond 1206C).
Fig. 2-1: Wrist Unit
2-1
Cover
Cover matching surface
Cover matching surface
Cover
HW1480357
159281-1CD
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