4 Repair
4.3.1. Replacement of cable harness, axes 1-6
3HAC026876-001 Revision: C
196
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6-2008 ABB.
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Removal, cable harness - lower arm, frame and base
The procedure below details how to remove the cable harness from the lower arm, frame and
base.
4.
NOTE!
Axis 5 must be oriented in the correct position
(+90º) to allow the motor 6 cover to open!
5. Remove the cover of motor, axis 6 and
disconnect all connectors beneath.
6. Loosen the cable bracket, wrist unit by undoing
the three attachment screws.
Two of the attachment screws are visibly
located at the rear of the bracket and the third
is located at the bottom of the cable bracket, in
the center.
Shown in the figure
xx0200000254
•
B: Attachment screws, rear of
cable bracket (2 pcs)
•
C: Attachment screw, bottom of
cable bracket
7. Pick out the cabling from motor, axis 6.
8. Loosen the cable bracket, upper arm tube by
undoing the two screws on top of the tube.
Shown in the figure
9. Disconnect the two connectors (R3.FB5 and
R3.MP5) inside the tube.
Shown in the figure
10. Remove eventual cable straps from the
harness.
11. Remove the cable attachment, rear.
Shown in the figure
12. Remove the covers of motors axes 3 and 4 and
disconnect all connectors beneath.
Pick out the cabling from the motors.
13. Gently pull the cable harness out from the
upper arm tube.
14. Tie the connectors into bundles, to avoid
damaging them during further removal.
15. Continue removing the cable harness as
detailed in following procedure.
Action
Note
Action
Note
1. Remove the rear cover plate from the robot by
removing its attachment screws.
Shown in the figure
.
2. Disconnect the earth cable beneath the rear
cover plate.
Position shown in the figure
.
Continued
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