Mantle Fan Belt Cutting Ring

b. Mantle

Index of Fit Sxy = = 61885.4571 Sxx = = 53425152 Syy = = 76.8750 Index of Fit r : r = = 0.9657 N Ti FTi Yi = LN[1- FTi] Ti 2 Yi 2 Ti.Yi 1 2208 2208 0.0614 -0.0634 4875264 0.0040 2 3120 2088 0.1491 -0.1615 4359744 0.0261 3 2088 2184 0.2368 -0.2703 4769856 0.0731 4 3024 2280 0.3246 -0.3924 5198400 0.1540 5 2184 2472 0.4123 -0.5315 6110784 0.2825 6 2472 3024 0.5000 -0.6931 9144576 0.4805 7 2280 3048 0.5877 -0.8861 9290304 0.7851 8 4152 3120 0.6754 -1.1253 9734400 1.2663 9 3048 3288 0.7632 -1.4404 10810944 2.0746 10 3816 3816 0.8509 -1.9030 14561856 3.6214 11 3288 4152 0.9386 -2.7903 17239104 7.7857 Total 31680 31680 -10.2572 96095232 16.5531 Universitas Sumatera Utara

c. Fan Belt

Index of Fit Sxy = = 41663.6372 Sxx = = 53697024 Syy = = 48.0601 Index of Fit r : r = = 0.8201 N Ti FTi Yi = LN[1- FTi] Ti 2 Yi 2 Ti.Yi 1 2016 0.0745 -0.0774 4064256 0.0060 -156.0115 2 2400 0.1809 -0.1995 5760000 0.0398 -478.7745 3 3456 0.2872 -0.3386 11943936 0.1147 -1170.2091 4 3528 0.3936 -0.5002 12446784 0.2502 -1764.8591 5 3792 0.5000 -0.6931 14379264 0.4805 -2628.4141 6 4008 0.6064 -0.9324 16064064 0.8693 -3736.9665 7 4200 0.7128 -1.2475 17640000 1.5562 -5239.3232 8 4344 0.8191 -1.7101 18870336 2.9244 -7428.5938 9 4536 0.9255 -2.5974 20575296 6.7464 -11781.7367 Total 32280 -8.2962 121743936 12.9874 -34384.8885 Universitas Sumatera Utara

d. Cutting Ring

Index of Fit Sxy = = 43903.5366 Sxx = = 33002496 Syy = = 76.8750 Index of Fit r : r = = 0.8716 N Ti FTi Yi = LN[1- FTi] Ti 2 Yi 2 Ti.Yi 1 1800 0.0614 -0.0634 3240000 0.0040 -114.0653 2 2664 0.1491 -0.1615 7096896 0.0261 -430.2026 3 2760 0.2368 -0.2703 7617600 0.0731 -746.0013 4 2880 0.3246 -0.3924 8294400 0.1540 -1130.0919 5 2928 0.4123 -0.5315 8573184 0.2825 -1556.2491 6 3000 0.5000 -0.6931 9000000 0.4805 -2079.4415 7 3072 0.5877 -0.8861 9437184 0.7851 -2721.9482 8 3168 0.6754 -1.1253 10036224 1.2663 -3564.8887 9 3288 0.7632 -1.4404 10810944 2.0746 -4735.9089 10 3768 0.8509 -1.9030 14197824 3.6214 -7170.4479 11 3816 0.9386 -2.7903 14561856 7.7857 -10647.7402 Total 33144 -10.2572 102866112 16.5531 -34896.9856 Universitas Sumatera Utara

e. Bearing