UPPERSTRUCTURE / Pump Device ASSEMBLE REGULATOR 31 22 21 3 6 4 5 7 8 14 13 18 15 16 17 19 W1V7-02-04-029 20 1, 2 9, 10 11 12 30 W173-02-04-001 1 - Socket Bolt (8 Used) 10 - Socket Bolt (4 Used) 19 - O-Ring 27 - Casing 2 - Spring Washer (8 Used) 11 - Air Bleed Plug 20 - Front Cover 28 - Piston 3 - Stopper (2 Used) 12 - O-Ring 21 - Lock Nut (2 Used) 29 - Cylinder 4 - O-Ring (3 Used) 13 - Spool 22 - Nut (2 Used) 30 - Rear Cover 5 - O-Ring (2 Used) 14 - Sleeve 23 - Spring 31 - Screw 6 - Stopper 15 - Piston 24 - Stopper 32 - Lock Nut 7 - Spring 16 - O-Ring 25 - Spool 33 - Piston 8 - Spring 17 - Backup Ring 26 - Sleeve 34 - Plug 9 - Spring Washer (4 Used) 18 - Cylinder W2-4-46 23 24 25 25 26