ABB IRB 7600 - 150/3.5, Product Manual

Page: 359 / 482

4 Repair
4.7.4. Replacement of gearbox, axis 4
357 3HAC022033-001 Revision: E
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Refitting, gearbox axis 4
The procedure below details how to refit the gearbox of axis 4.
6. Loosen the gear attachment screws but do not
remove the gear Z3.
Shown in the figure Location of
gearbox on page 355 .
7. Remove the motor, axis 4. Detailed in section Removal,
motor axis 4 on page 318 .
8. Remove gear Z3 from the gearbox by unscrewing the
15 gear attachment screws .
If required, insert screws into three holes in gear Z3
to press it out.
Shown in the figure Location of
gearbox on page 355 .
9. Remove the motor flange attachment screws and
plain washers.
Shown in the figure Location of
gearbox on page 355 .
10. Pull the motor flange and gearbox, axis 4 out along
with the friction washers.
If required, insert screws into two holes in the gearbox
to press it out.
M10.
Action Note
Action Note
1.
DANGER!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
For Foundry Prime robots: Do not turn off the air
pressure to motors and SMB.
2. Make sure the two o-rings on the circumference
of the gearbox are seated properly in their
grooves respectively. Lightly lubricate the
o-
rings with grease.
Art. no. is specified in Required
equipment on page 356 .
3. Lubricate the gearbox, motor and motor
attachment mating surfaces with grease.
Art. no. is specified in Required
equipment on page 356 .
4. Fit four guide pins symmetrically in the
attachment holes in the upper arm housing.
xx0200000067
A. Attachment holes for guide
pins, M10
Art. no. is specified in Required
equipment on page 356 .
Continued
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