96. Ball Valves and Valve Seats6.1 Removal（Figure displays Fi/□/R）・ Use the dedicated tool (valve cap remover) to removethe valve cap and valve stopper. [Fig.6-1 and 6-2](Dedicated tool ① for DP-10Fi or dedicated tool②forDP-20Fi)・ Remove the O ring.・Remove the balls, valve seats, O rings and funnel.Be sure to use the dedicated tool ④(sleeve remover) toremove the funnel and valve seat. [Fig.6-3]（Fi/□/R） （Fi/□/H）Dedicated toolValve capValve stopperO ringO ringO ringValve seatValve seatFunnelDedicated toolValve capValve stopperValve seatO ringFunnelValve seatO ringFig.6-4O ring

Principles of operation

Others

Removal

Disassembling of the C Spool Valve

YAMADA DP-10F Maintenance Manual