ABB IRB 6600 - 175/2.55 User Manual page 548

3 Repair activities, manipulator
3.6.3 Removal of gearbox axis 2
3.6.3 Removal of gearbox axis 2
Different designs
Between the axis 2 motor and gearbox there is a motor attachment which exists in two differ-
ent designs.
The service work differ some between the designs. Be aware of the differences made in the
instruction.
Location of gear-
The gearbox, axis 2, is located in the lower arm rotational center, underneath the motor attach-
box
ment.
The figure below shows the later design of the motor attachment.
A more detailed view of the component and its location may be found in the Foldout section
Frame-Lower arm 1 on page 205.
xx0200000171
A
B
C
D
E
F
G
132
• The early design of the motor attachment is attached directly to the gearbox, with the
front gearbox attachment screws.
• The later design of the motor attachment is attached directly to the frame. This design
also includes an additional cover that overlaps the motor attachment and holds the oil
plugs.
A
H
F
G
Gearbox axis 2 (behind motor attachment, not shown in figure )
Attachment hole for locking screw, lower arm
Attachment holes inside of frame for fixture lower arm
Attachment holes for fixture lower arm
Balancing device
Motor axis 2
Rear gearbox attachment screws
A
D
B
C
J
E
I
3HAC 16247-1