You will know if an area is damaged or dead if it does not have leaves during growing season when the rest of the tree is in bloom. [substeps] Removing dead or damaged branches is one of the few times it's okay to prune your tree in the spring or summer.
[header] How to prune a pear tree [title] Prune any dead or damaged branches. [step] Dead, damaged or diseased wood should be removed starting with the origin of the damage. This may mean cutting an entire large area if it is all damaged or dead.