All choke assemblies manufactured by Houston Oilfield Equipment Inc. are easily repaired and maintained in the field with the use of simple hand tools. In order to assist you, we have provided maintenance manuals to direct you through the assembly and disassembly of our chokes, and answer any questions you may have. The manual will also detail the specification for proper seat and bean torque, as well as the procedure for calibrating the choke indicator in order to maintain accuracy. Please contact us should you have any questions or need additional assistance.