ABB CRB 1300 Product Manual page 344

5 Repair
5.5.1 Replacing the lower arm
Continued
Separating the lower arm from the housing
1
2
3
4
Supporting the lower arm
1
2
Removing the axis-2 motor
1
Continues on next page
344
Action
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
Remove the screws.
WARNING
This releases the upper arm from the lower arm.
Make sure the weight of the upper arm is properly
secured.
The upper arm, including housing, extender unit
(only for CRB 1300-7/1.4 and ), tubular and tilt
unit, weighs 17 kg.
Separate the lower arm from the housing.
Tip
If the lower arm is hard to loosen from the hous-
ing, use a plastic hammer to knock on the lower
arm lightly.
Lay down the upper arm on a workbench. Make
sure to support the gravity center of the upper
arm.
Action
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
Support the weight of the lower arm.
Action
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
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Note
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xx2000001665
Note
Note
Product manual - CRB 1300
3HAC083111-001 Revision: B