ABB IRB 6640 Product Manual page 368

4 Repair
4.7.1. Replacement gearbox axis 1
Continued
10.
12. Secure the base to the mounting site.
13. Refit the complete armsystem.
14. Refit the robot to the base with its
366
Action
9. Refit the gearbox to the base with its
attachment screws and washers.
CAUTION!
The complete gearbox unit and base weighs
241 kg together! (Base: 133 kg, gearbox
unit: 108 kg.) All lifting equipment used must
be sized accordingly!
11. Lift the robot base and gearbox 1 to allow
removing the support, base and gear.
attachment screws and serrated lock
washers.
NOTE!
The orientation of the serrated lock washer
must be fitted as is shown in the figure to the
right!
Note
Shown in the figure Location of gearbox
axis 1 on page 361.
M16x60 quality 12.9 (12 pcs)
Tightening torque: 300 Nm.
xx0600003069
• A: Gearbox, axis 1
• B: Attachment screw, M16x60
Detailed in section Orienting and securing
the robot on page 78.
Detailed in section Replacement of
complete arm system on page
Shown in the figure Location of gearbox
axis 1 on page 361.
M12x80 quality 12.9 (16 pcs)
Tightening torque: 105 Nm.
xx0600003069
• A: Serrated lock washer
• B: Gearbox, axis 1
• C: Attachment screw, M12x80
Continues on next page
3HAC026876-001 Revision: F
250.