Poclain hydraulic pump repair is a process that involves the diagnosis of the hydraulic pump, identification of the faulty components, and replacement of the damaged parts. It involves the disassembly of the pump and inspection of the internal components for any signs of wear and tear. After the diagnosis, the faulty components are replaced and the pump is reassembled. The pump is then tested for proper functioning before being returned to the customer. This service helps to ensure that the pump is functioning correctly and helps to prolong its lifespan.