This document is a workshop manual for Perkins Peregrine EDi and 1300 Series EDi diesel engines. It provides information on servicing various engine components including the cylinder head, pistons, connecting rods, crankshaft, timing case, and related systems. The manual contains detailed instructions for removal, inspection, repair and installation of engine parts, with torque specifications and safety precautions. It is intended as a guide for technicians servicing these Perkins diesel engines.