First of all you need to remove the lock wedge bolt. Its on the middle of the spindle and it looks like you have the nut off of it. take a brass drift or lead hammer and just give it a good wack and it should come out. Then you need to either get the puller called the spindle pin puller or you can try to just beat it out. Most have bad luck because its been so long since its been taken apart that its just rusted in place. Good luck