... secondary pressure spring.1 Case2 Plug3 Plug4 O-ring 5 Spool6 Shim7 Spring8 Spring seat9 Stopper10 Spring11 Plug12 Rod seal13 O-ring14 Push rod 15 Plate16 Bushing17 Joint assembly18 Swash ... nut20 Lock nut21 O-ring22 Handle connector23 Nut24 Insert 25 Boot26 Handle27 Switch assembly28 Screw29 Switch assembly30 Switch cover40 Boot 2-7 1CROSS SECTION14072SF80 2-7 22. FUNCTIONSFUNDAMENTAL ... valve 5 Hydraulic motor6 Hydraulic cylinder11PT3234 5 63)36072RL01 2-7 4The force of the spring(7) that determines the output pressure of the pilot valve is not applied tothe spool (5) ....