HYDRAULIC CIRCUITRY (With Bucket Positioning Valve) 3 2 26 27 10 27 26 5 4 44 43 1 10 6 45 18 18 1 8 10 11 8 16 15 28 32 7 28 9 17 14 25 31 29 19 25 38 22 25 31 31 42 25 31 25 35 37 19 40 30 36 34 39 29 25 12 20 24 13 20 23 46 41 33 19 25 48 21 41 47 25 B--17078 39 Model 553AF Loader Parts