ABB IRB 1200 Product Manual page 335

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Product manual - IRB 1200
3HAC046983-001 Revision: S
Action
CAUTION
The lower and upper arms together weigh
30 kg.
All lifting accessories used must be sized
accordingly!
If there is enough space on the site, lay
down the lower arm on a workbench. Make
sure to support the gravity center of the
lower arm.
If the site is cramp, the procedure can be
performed having the lower arm hanging
in the lifting slings.
If removing the axis-2 drive unit from a
hanging lower arm, it is best performed by
two persons working together:
• Person 1: Hold the lower arm still.
• Person 2: Remove the drive unit
screws according to step below.
Remove the grey screws from the drive
unit.
WARNING
Keep the eight black screws fitted. They
hold the gearbox together. Removing them
can damage the gearbox severely.
Insert two M4 screws to the press out holes
and press out the drive unit.
Carefully pull out the complete drive unit.
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4.4.1 Replacing the lower arm
Note
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4 Repair
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