No problem it is normal to have to swing the pump and pulley out of the way to fully remove that alternator bolt. As far as which bolts to loosen on v belt setups you will be looking for one bolt that goes through the slotted adjuster side and another pivot bolt almost opposite of that. If you look closely in the diagram, you will see that the bracket with the slot in it is solidly mounted to the pump with bolts and swings with it when making the adjustment. That leaves 2 other bolts, the one at the slotted adjustment and the other which goes straight through the bracket to the motor. loosen these two and move the pump out of the way. If I remember correctly, you first loosen the belt and remove from pulley and that gives you enough swing on the pump to get it out of the way. Almost forgot, there is also a slotted bracket adjustment nut on the back of the pump which also needs to be loosened.