How to Repair and Reassemble a Schmidt Thompson Valve II

Learn how to maintain, repair, and rebuild a Schmidt Thompson Valve II using a complete rebuild kit. This step-by-step tutorial covers valve disassembly, seal and piston replacement, proper gasket orientation, reassembly, and common mistakes that can lead to premature wear or sealing issues. Whether you're performing routine maintenance or troubleshooting abrasive metering problems, this guide explains the critical inspection points and installation techniques to help keep your Thompson Valve II operating reliably in the field. 0:05 Tools and rebuild kit overview 1:09 Valve disassembly and component inspection 3:12 Replacing seals, piston, and gaskets 9:08 Rebuilding the valve body and sleeve installation 12:16 Final assembly and tightening procedures 13:40 Older vs. newer valve differences and final tips