ABB CRB 1300 - Page 344

Separating the lower arm from the housing
NoteAction
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
1
xx2000001664
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.
2
xx2000001665
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.
3
Lay down the upper arm on a workbench. Make
sure to support the gravity center of the upper
arm.
4
Supporting the lower arm
NoteAction
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
1
Support the weight of the lower arm.2
Removing the axis-2 motor
NoteAction
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
1
Continues on next page
344 Product manual - CRB 1300
3HAC083111-001 Revision: B
© Copyright 2022-2023 ABB. All rights reserved.
5 Repair
5.5.1 Replacing the lower arm
Continued