Note On Maintenance - YASKAWA MA1440 Operating And Maintenance Manual

Maintenance and inspection
9.3
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 84).
Cover jointing face
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Note on maintenance

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Fig. 9-8: Sealing wrist unit
Cover
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