NoteAction
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Refit the hub.3
Attachment screws: M6x30 12.9.Remove the two M6x110 and fit the attach-
ment screws for the hub.
4
Loctite 243
Apply locking liquid (Loctite 243) on the
screws.
Note
The number of attachment screws differ
depending on gearbox.
Quantity:
• Axis-1 = 6 pcs
• Axis-2 = 8 pcs
• Axis-3 = 8 pcs
• Axis-4 = 4 pcs
• Axis-5 = 6 pcs
• Axis-6 = 4 pcs
Tightening torque: 14 Nm.Secure the hub.5
Refitting the gear Z3 - step 1
NoteAction
Wipe clean the contact surfaces.1
Guide pins: 3HAC13056-2 M12x150Attach guide pins in opposite holes.
Tip
Put some grease on the guide pins for a
better fitting.
2
Guide pins: 3HAC13056-3 M12x200
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Continues on next page
Product manual - IRB 8700 777
3HAC052853-001 Revision: F
© Copyright 2015-2018 ABB. All rights reserved.
4 Repair
4.8.5 Replacing the axis-4 primary gearbox
Continued
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