Lotus1:
adjust the center spring so that when the car is on the table the chassis is level from front to rear, usually level with the rear pod ride height. The damper spring and using spacers to change spring tension is not a usual adjustment, what is normally done is using different viscosity substances on the plates to affect the dampening.
12l3a:
find a suitably shaped tool and just press them out, I might recommend the assoc plastic tools that come with their kits; theres one side of the cups thats more open than the other push it out that way