ABB IRB 6640 Foundry Prime Product Manual page 428

4 Repair
4.7.3 Replacing gearbox axis 3
Continued
2
3
4
5
6
7
8
9
10
Refitting the upper arm
Use this procedure to refit the upper arm.
1
Continues on next page
428
Action
Turn the upper arm in such a position that
the gear mating surface faces upwards.
Fit two guide pins in 180° relation to each
other in the holes of the upper arm, used
for the attachment screws of the gearbox
CAUTION
The gearbox weighs 60 kg! All lifting equip-
ment used must be sized accordingly!
Lift the gearbox to its mounting position.
Turn the gearbox to align the holes of the
attachment screws of the gearbox with
those in the upper arm.
Place the gearbox on the guide pins and
slide it carefully into position.
Make sure that:
• the o-rings are seated correctly
• the gearbox is correctly oriented.
Remove the lifting tool.
Secure the gearbox with 22 of the 24 attach-
ment screws.
Tightening torque: 115 Nm
Note
Use new attachment screws and washers!
Action
Fill the hole for the slotted spring pin with
Sikaflex 521FC.
© Copyright 2011-2018 ABB. All rights reserved.
Note
For art. no. see:
• Required equipment on page 420
M12x60
Note
xx1000000439
Part:
• A: Hole for slotted spring pin
Product manual - IRB 6640 Foundry Prime
3HAC040586-001 Revision: N