Help with Ibiza 1.9 D 1995 Urgent!

Hello friend if you look at the back of the camshaft you will see that it has a slot in which you have to place a rule a pin that interferes with the upper plane of the cylinder cover when you fix the camshaft you will see that in what you ceria lobules 1 and 2 of the cams mentioned above in the slot with just an interference. Good luck and that is nothing

Thanks companion, it has been to put it well you have said you and it has started me at first, sn no problem and sounds good engine, which has not folded any valve. Thanksssss