ABB IRB 6620 Product Manual page 296

4 Repair
4.7.4 Replacement of gearbox, axis 6
Continued
2
3
4
5
6
7
Continues on next page
296
Action
Make sure the o-ring is fitted to the rear of
the gearbox. Lubricate the o-ring with
grease.
Release the holding brake of motor axis 6.
Foundry Plus:
Apply Loctite 574 flange sealant on the
contact surface.
Insert the gearbox, axis 6 into the wrist
unit.
Secure the gearbox with the attachment
screws and washers.
Refit the turning disc.
© Copyright 2006-2020 ABB. All rights reserved.
Note
Article number is specified in
equipment on page 293.
xx0200000221
• A: O-ring, gearbox axis 6
Detailed in the section Manually releasing
the brakes on page 74.
xx1400001122
Article number is specified in
equipment on page 293.
Shown in the figure Location of gearbox on
page 292.
Make sure the gears of the gearbox mate
with the gears of the motor!
Shown in the figure Location of gearbox on
page 292.
8 pcs or 18 pcs (depending on wrist ver-
sion): M8 x 40, 12.9 quality Gleitmo, Tight-
ening torque: 30 Nm.
Reused screws may be used, providing
they are lubricated as detailed in section
Screw joints on page 336
Detailed in the section Refitting, turning
disk on page 210.
Product manual - IRB 6620
3HAC027151-001 Revision: W
Required
Required
before fitting.