188 ■ WATER PLUG BODY (CROSS-SECTIONAL VIEW) ■ SENSOR ■ WATER PLUG BODY (PLAN VIEW) L2 I L1 Cylinder knob Diaphragm Body Tube Valve body Filter Volume adjusting handle Selector knob Air release valve Tube socket Bolt Elbow From valve body To valve body Spring Automatic switching valve Upper-limit water level adjusting screw Upper-limit oat stopper Sensor case Water port Water level scale (cm) 0: Field surface (indicated by the white line) Float Lower-limit oat stopper Lower-limit water level adjusting screw Dial plate Fixing frame Sensor case lid Selector knob Cylinder knob Volume adjusting Air release valve handle Bolt Elbow Tube socket MANUAL PARTS LIST MANUAL ■ SENSOR (CROSS-SECTIONAL VIEW) 18 21 22 21 23 20 19 24 16 9 6 3 5 25 33 1 29 4 2 32 30 10 7 8 12 14 35 15 28 27 13 12 11 Reference: φ221 150 (Buried part) UPPER LIMIT LOW LIMIT PART NO. / NAME QTY MATERIAL MEMO 18 SPRING HOOK (A) 1 SUS304 19 SPRING HOOK (B) 1 SUS304 20 TENSION SPRING 2 SUS304 COIL SPRING BY SHOWA SPRING (SH08-15) 21 SCREW (B) 2 SUS304 CROSS RECESSED PAN HEAD SCREW, M5, L15 22 SPRING WASHER 2 SUS304 M5 23 WASHER (A) 2 SUS304 M5 24 WASHER (B) 2 SUS304 25 QUICK-RELEASE JOINT, HALF UNION (A) 2 C3604 Plated 27 SENSOR CASE BODY 1 ABS 28 SENSOR CASE LID 1 ABS 29 TUBE 1 Nylon 11 30 TAPE 1 U-PVC By SUMITOMO 3M 32 QUICK ELBOW JOINT 1 C3604 Plated 33 QUICK-RELEASE JOINT, HALF UNION (B) 1 C3604 Not plated 35 TAPPING SCREW (A) 2 SUS304 CROSS RECESSED PAN HEAD TAPPING SCREW, M5, L15 PART NO. / NAME QTY MATERIAL MEMO 1 AUTOMATIC SWITCHING VALVE BODY 1 HI-PVC 2 AUTOMATIC SWITCHING VALVE LOWER CAP 1 HI-PVC 3 AUTOMATIC SWITCHING VALVE UPPER CAP 1 HI-PVC 4 AUTOMATIC SWITCHING VALVE BODY 1 EPDM+SUS304 5 O-RING 1 EPDM 6 COUPLING 1 SUS304 P3 7 SENSOR ARM 1 ABS 8 SENSOR BODY 1 ABS 9 PARALLEL PIN (A) 1 SUS304 PARALLEL PIN (A TYPE), φ2, L6 10 PARALLEL PIN (B) 1 SUS304 PARALLEL PIN (A TYPE), φ3, L28 11 FLOAT 1 PP FOAM 12 WATER LEVEL ADJUSTING TAB 1 SUS304 DECORATIVE SCREW, M6, L10 13 LOW LIMIT STOPPER 1 ABS 14 UPPER LIMIT STOPPER 1 ABS 15 DIAL PLATE 1 ABS 16 FIXING ARM 1 ABS ■ JIS (Unit: mm) VALVE CONNECTION mm L1 L1 . SOCKET, THREADED 50 143 117 470 SOCKET, THREADED 80 187.5 137 548 FLANGED, 10K 50 143 117 541 FLANGED, 10K 80 187.5 134 621 FLANGED 50 143 117 541 FLANGED 80 187.5 134 622 AUTOMATIC WATER FEEDING VALVE CONNECTION / FLANGED――JIS 　SOCKET――JIS　THREADED――Rc NOTES (1) is used for the semiautomatic type.