This repair manual covers the Thomas T245 Piston Pump, designed for robust repair and maintenance. It is compatible with the Thomas 225, Thomas 243, Thomas 245, and Thomas Protough 2200 series pumps. The manual details the engineering and reliability inherent in these devices, providing essential information for their upkeep. This comprehensive 222-page manual, published in November 2000, offers detailed instructions for repair procedures, troubleshooting, and parts identification. It includes step-by-step disassembly, assembly, and adjustment instructions, ensuring that owners, mechanics, and technicians can effectively maintain and repair their Thomas piston pumps. The serial number prefixes LM000101-Onward and LP000101-Onward are covered.