ABB Robotics IRB 6790 Product Manual page 562

4 Repair
4.8.2 Replacing the axis-2 gearbox
Continued
Refitting the gearbox
Use this procedure to refit the gearbox.
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Action
CAUTION
The gearbox weighs 83 kg.
All lifting accessories used must be sized
accordingly!
Apply the lifting accessory to the gearbox.
Use caution and lift the gearbox so that it
rests on its side.
Remove the o-ring and wipe it clean.
Note
This must also be done on a new spare
part.
Wipe clean the contact surfaces from any
contamination.
Note
Also wipe clean the o-ring groove.
Check the condition of the o-ring.
Replace if damaged.
Lubricate the o-ring with some grease, for
a better fitting in the groove.
Fit the o-ring in the groove.
Fit two guide pins in opposite holes (M12).
Tip
Lubricate the guide pins with some grease
to make the gearbox slide better.
© Copyright 2019 - 2020 ABB. All rights reserved.
Note
Lifting accessory, gearbox: 3HAC046128-
001
O-ring, nitrile rubber: 3HAB3772-48
319.3x5.7
Guide pin, M12x150: 3HAC13056-2
Guide pin, M12x200: 3HAC13056-3
Always use guide pins in pairs.
xx1700000445
Product manual - IRB 6790
3HAC063331-001 Revision: B