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3.1.7 Shoulder joint – Base joint
Disassemble
For details and photos please see: 3.1.4 General guidance to separate joint from counterpart
1. Shut down the controller.
2. Remove blue lid on Base joint.
3. Connect ESD wristband
4. Disconnect wires between Base joint and Shoulder joint
2 x red wire = 48V DC
2 x black wire = GND
Black connector = bus cable (NB: polarized)
5. Remove alignment screw
6. Gently remove black flexible flat ring between Base and Shoulder with a tiny screwdriver or similar tool
and twist it around the joint housing.
7. Slide the grey Teflon ring back. 10 screws become visible, 5 on each side of joint. Loosen the screws
with a 7 mm. open-ended spanner about two full turns, approximately 3 mm. for each screw.
8. Pull the Base joint and Shoulder joint apart and gently twist the two parts in opposite directions around
10 mm. until a mechanical stop is met (holes are keyhole-type).
9. Pull away the Base joint from Shoulder joint.
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