UPPERSTRUCTURE / 4-Spool Solenoid Valve Unit W2-10-3 Item Part Name Q’ty Wrench Size mm Tightening Torque Remark N⋅m kgf⋅m lbf⋅ft 1 Plug 14 ：6 2 Plug 3 ：8 3 Socket bolt 8 ：2.5 5 to 7 0.5 to 0.7 3.7 to 5.2 4 Body (4-spool solenoid valve) 1 5 Filter 1 6 Plug 1 ：10 20 to 23 2.0 to 2.3 14.8 to 17.0 7 Solenoid 4 8 Orifice 4 ：6 10 to 13 1.0 to 1.3 7.4 to 9.6 9 Socket 1 10 O-Ring 1 11 Spring 1 12 Plunger 1 13 Spacer 1 14 O-Ring 1 15 Washer 1 16 O-Ring 1 17 Sleeve 1 18 O-Ring 1 19 O-Ring 1 20 Plate 1 21 Wave Spring 1 22 Orifice 1 23 Spool 1 24 Spring 1 25 O-Ring 1 26 Diaphragm 1 27 O-Ring 1 28 Flange 1 29 Coil 1 30 Solenoid 1 31 O-Ring 1 32 Spacer 1 33 Nut 1 34 Adjusting Screw 1