ABB IRB 5720 Product Manual page 448

5 Repair
5.9.1 Replacing the axis-1 gearbox
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448
Action
Make sure that all lifting accessories still is
fitted correctly on the arm system.
Lift the arm system up, to be able to reach
the contact surfaces underneath the frame.
Wipe clean the contact surfaces from any
remaining contamination.
Before putting the complete arm system on
to the guide pins, make sure that the hole
pattern will match and that the guide pins will
enter the correct holes in the frame.
Remove the big o-ring that holds the attach-
ment screws in the temporary position and
let them drop down on the base.
Note
Make sure that none of the screws or wash-
ers are missing and that they are in correct
position.
Lift the complete arm system and lower it
slowly down over the guide pins, until it is
possible to insert the attachment screws
manually.
CAUTION
Do not lower the arm system completely at
this stage! The attachment screws must be
fitted in two steps. If not, the complete arm
system will risk resting on the attachment
screws in the wrong position!
Fit the attachment screws manually as far as
possible. Lower the complete arm system
slowly in steps, until all attachment screws
no longer can reach the base, when the arm
system is lowered all the way down.
Make sure that the complete arm system is
lowered all the way down.
Note
The attachment screw at the axis-1 synchron-
ization plate can not be reached to be se-
cured at this stage. Make sure it is still in its
place and will not be damaged in the contin-
ued procedure.
© Copyright 2022 ABB. All rights reserved.
Note
See Attaching the lifting accessories to
the arm system on page 422.
xx2100001411
Hex socket head cap screw: M12x60 12.9
Gleitmo 603+Geomet 500 (16 pcs)
Product manual - IRB 5720
3HAC079195-001 Revision: A