Poclain piston pump repair involves the repair and maintenance of a variety of pumps, including motor-driven and hydraulic pumps. These pumps are often used in a variety of industries, such as in construction and mining operations. During the repair process, technicians may need to disassemble the pump, inspect the parts, and replace any damaged or worn components. The technician may also need to lubricate the appropriate parts and ensure that the pump is functioning correctly. Afterwards, the pump should be tested to ensure that it is working properly.