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4 Repair
4.7.3. Replacement of gearbox, axis 3
3HAC022033-001 Revision: K
382
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Removal, gearbox axis 3
The procedure below details how to remove gearbox, axis 3.
Action
Note
1.
DANGER!
Turn off all electric power,
hydraulic and pneumatic pressure
supplies to the robot!
Turn off all electric power and
hydraulic but not the air pressure
to the gearboxes, motors and
SMB.
2. Secure the upper arm in a
horizontal position using round
slings.
Art. no. is specified in
.
3. Remove the
motor, axis 3
.
Detailed in section
.
NOTE!
When removing the motor axis 3, the brake on axis
3 is released. Make sure the upper arm is secured
and disabled to move!
4. Remove the
upper arm
.
Detailed in section
.
5. Remove the
sealing, axis 2/3
between the gearbox and lower
arm.
On reassembly a new sealing must be used! Art.
no. is specified in
.
6. Place the upper arm safely on a
workbench, in a fixture or similar.
7. Remove the
attachment screws,
gearbox.
Shown in the figure
.
8. Fit the two
guide pins
in 180°
relation to each other in the
gearbox attachment screw holes.
Art. no. is specified in
.
Continued
Continues on next page
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