ABB IRB 4400 - 45 Product Manual page 137

Refitting, upper arm
The procedure below details how to refit the complete upper arm to the robot.
Note! The following procedure also applies to the IRB 4450S.
3HAC022032-001 Revision: E
Action
3. Move the upper arm to a horizontal position.
4. Secure the weight of the upper arm with the lifting
slings and a crane.
5. Remove the tie rod.
6. Loosen the connectors of motors, axes 4, 5 and 6.
7. Remove the connection box, upper arm from the
motors.
8. Remove the calibration plate, axis 3.
9. Remove the VK covers on both sides of the upper
arm.
Be careful with the bearing beneath the cover! Make
a hole in the outer edge of the cover and bend it away.
10. Undo the KM nuts.
11. Remove the screws.
12. Pull out the shaft with the dismounting tool.
Mark the shafts (left and right)!
13. Remove the sealings and bearings, if damaged.
14. Remove the upper arm from the manipulator.
Action
1.
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.
The complete arm system weighs 232 kg! All
lifting equipment used must be sized accordingly!
3. Fit the sealings and the outer ring of the bearings
in the upper arm, if removed.
The bearing must be completely filled with
grease.
4.4.1. Replacement of complete upper arm
Info/Illustration
Detailed in section
tie rod on page 165
Shown in the figure
of upper arm on page 133
Shown in the figure
of upper arm on page 133
Shown in the figure
of upper arm on page 133
Shown in the figure
of upper arm on page 133
Shown in the figure
of upper arm on page 133
Shown in the figure
of upper arm on page 133
Art.no. is specified in
Required equipment on
page 134
Shown in the figure
of upper arm on page 133
Info/Illustration
Shown in the figure
upper arm on page
Part no. is specified in
equipment on page
Continues on next page
4 Repair
Continued
Removal,
Location
Location
Location
Location
Location
Location
Location
Location of
133.
Required
134.
135