ABB CRB 1300 Product Manual page 615

Separating the lower arm from the housing
1
2
3
4
Removing the axis-3 gearbox
1
2
Product manual - CRB 1300
3HAC083111-001 Revision: B
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.
CAUTION
Removing gearboxes will release axes. This
means the axes can fall down.
Make sure axes are well supported before remov-
ing gearboxes.
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5.7.3 Replacing the axis-3 gearbox
Note
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Note
Continues on next page
5 Repair
Continued
615