ABB Robotics IRB 6790 Product Manual page 561

Removing the axis-2 gearbox
Use the procedure to remove gearbox.
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8
Refitting the axis-2 gearbox
Use these procedures to refit the gearbox.
Follow the order of the procedures according to the order they are presented.
Product manual - IRB 6790
3HAC063331-001 Revision: B
Action
Remove two attachment screws in opposite
holes and replace them with guide pins.
Tip
Lubricate the guide pins with some grease
to make the gearbox slide better.
Leave one of the upper attachment screws
and remove the rest. The remaining screw
is used to prevent the gearbox from falling
down.
CAUTION
The gearbox weighs 83 kg.
All lifting accessories used must be sized
accordingly.
Remove the remaining screw left in the
gearbox.
Use two fully threaded attachment screws
(M12) as removal tools to press the gear-
box out of position.
Attach the lifting accessory to the gearbox.
Use caution and let the gearbox slide out
on the guide pins.
Remove the gearbox.
CAUTION
When performing these procedures, the cable harness will still be fitted or partly
fitted to the robot. Use extreme caution not to cause any damage to the cable
harness!
© Copyright 2019 - 2020 ABB. All rights reserved.
4.8.2 Replacing the axis-2 gearbox
Note
Guide pin, M12x150: 3HAC13056-2
Guide pin, M12x200: 3HAC13056-3
Always use guide pins in pairs.
xx1300002249
Lifting accessory, gearbox: 3HAC046128-
001
Continues on next page
4 Repair
Continued
561