Replacing the arm
Remove the arm
Before starting, follow the Open the torso skin procedure.
Lift the chest plate to expose the arm bolt.
a. Unscrew the arm bolt. Do not unscrew fully
b. Lift up the arm bolt.
Disconnect the cables as shown and feed them out of the arm socket.
Remove the arm.
Take the new arm.
How-to video: How to Replace Arms.
Attaching the left arm
Insert the arm in its socket
Connect the cables as shown and feed them in the arm socket.
a. Screw the arm bolt.
b. Push down on the arm bolt.
Close the chest plate
This procedure is the same for the right arm.