REGULATOR REGULATOR 2) 2) 20 23 2 32 24 7 15 4 16 28 34 8 26 5 50 33 55 56 57 58 59 29 51 52 53 54 21 1 60 19 61 62 64 63 67 68 70 69 71 65 66 1 Control housing 2 Cover 4 Positioning piston 5 Positioning trunnion 7 Piston 8 Threaded pin 15 Socket head screw 16 Socket head screw 19 O-ring 20 O-ring 21 O-ring 23 Socket head screw 24 Square ring 26 Cylinder pin 28 Double break off pin 29 Plug 32 Double break off pin 33 O-ring 34 Locking screw 50 Relief valve 51 Adjusting bushing 52 Cylinder pin 53 Threaded pin 54 Seal lock nut 55 Pressure spring 56 Spring collar 57 Pressure spring 58 O-ring 59 Retaining ring 60 Control piston 61 Control bushing 62 Retaining disc 63 Locking screw 64 Locking screw 65 Double break off pin 66 Socket head screw 67 Cover 68 Throttle screw 69 Socket head screw 70 O-ring 71 Locking screw 2-23