Universal Robots ur3 - Robot Arm Configuration; Brake Release

5.2.2. Robot Arm Configuration
Tool flange Tool flange – Wrist 3 joint
Size 0 Wrist 3 joint – Wrist 2 joint
Size 0 Wrist 2 joint – Wrist 1 joint
Size 0 Wrist 1 joint – Lower arm
Elbow
5.2.9. Elbow counterpart – Elbow jointon
page32
Size 1 Upper arm – Shoulder joint
Size 2 Upper arm – Shoulder joint
Size 2 Shoulder joint – Base joint
Base Base joint – Base mounting bracket
5.2.3. Brake Release
In an urgent situation the brake on Base, Shoulder and Elbow joints can be released without
power connected. It is not possible to release the brakes on Wrist 1, 2 and 3 manually.
CAUTION
Before releasing a brake, it is extremely important to dismount any dangerous
parts to avoid any hazardous situations.
If releasing the brake on Base joint, Shoulder joint or Elbow joint, it is important to
make proper mechanical support prior to releasing the brake.
Always make sure personnel are in no risk when releasing the brake.
Do not move the joint more than is necessary. Not more than 160 degrees to
ensure the robot can find its original physical position.
Procedure for releasing the joint
• Shut down controller.
• Remove blue lid on joint.
• Push brake pin down to release, joint can then be rotated.
On the Wrist 1, 2 and 3 it is not possible to release the brakes manually.
Service Manual 17 UR3
5.Service and Replacement of Parts
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