UPPERSTRUCTURE / Pump Device 1 - Socket Bolt (4 Used) 15 - Housing 32 - Shoe (9 Used) 47 - Socket Bolt (2 Used) 2 - Cover 16 - Tilt Pin 33 - Plunger (9 Used) 48 - O-Ring (2 Used) 3 - O-Ring (2 Used) 19 - Stopper L 34 - Retainer Plate 49 - Plug (2 Used) 4 - Oil Seal 20 - Backup Ring 35 - Spherical Bushing 50 - Nut 5 - Shaft 21 - O-Ring 36 - Spring (9 Used) 51 - Eyebolt 6 - Bearing 22 - Servo Piston 37 - Cylinder Block 54 - O-Ring (9 Used) 7 - Spacer (2 Used) 23 - O-Ring (2 Used) 38 - Valve Plate 55 - Plug (8 Used) 8 - Retaining Ring 24 - Plug (2 Used) 39 - Bearing 56 - Pin (2 Used) 9 - Nut (2 Used) 26 - O-Ring 40 - O-Ring 57 - Pin 10 - Adjusting Screw 27 - Swash Plate Stand 42 - Cover 58 - O-Ring 11 - Spring Pin (2 Used) 28 - Socket Bolt (4 Used) 43 - Adjusting Screw 59 - Plug 12 - Stopper 29 - Swash Plate 44 - Nut (2 Used) 13 - Backup Ring 30 - Bushing 45 - Feedback Pin 14 - O-Ring 31 - Shoe Plate 46 - Cover W2-4-47