Fan Belt Bearing Sistem Perawatan Mesin Berbasis Preventive Maintenance dengan Metode Modularity Design pada PT. Sumatera Pioneer Building Material

e. Fan Belt

Index of Fit Sxy = = 12 8889.8598 - 324000 = 106678.3175 Sxx = = 12 96932736 – 32400 2 = 113432832 Syy = = 12 9.4066 – 0 2 = 112.8795 Index of Fit r : = = 0.9428 N Ti FTi Yi Ti 2 Yi 2 Ti.Yi 1 1608 0.0565 -1.5853 2585664 2.5132 -2549.1551 2 1848 0.1371 -1.0935 3415104 1.1957 -2020.7604 3 1896 0.2177 -0.7800 3594816 0.6084 -1478.8800 4 1968 0.2984 -0.5300 3873024 0.2809 -1043.0400 5 2040 0.3790 -0.3080 4161600 0.0949 -628.3722 6 2448 0.4597 -0.1012 5992704 0.0102 -247.8374 7 2856 0.5403 0.1012 8156736 0.0102 289.0272 8 3072 0.6210 0.3080 9437184 0.0949 946.1760 9 3168 0.7016 0.5300 10036224 0.2809 1679.0400 10 3264 0.7823 0.7800 10653696 0.6084 2545.9200 11 3360 0.8629 1.0935 11289600 1.1957 3674.1600 12 4872 0.9435 1.5853 23736384 2.5132 7723.5816 Total 32400 0.0000 96932736 9.4066 8889.8598 Universitas Sumatera Utara

f. Bearing

Index of Fit Sxy = = 9 4167.4446 - 328800 = 37507.0014 Sxx = = 9 122863104 – 32880 2 = 24673536 Syy = = 9 7.2611 – 0 2 = 65.3502 Index of Fit r : = = 0.9341 N Ti FTi Yi Ti 2 Yi 2 Ti.Yi 1 2712 0.0745 -1.5489 7354944 2.3991 -4200.6394 2 2712 0.1809 -0.9121 7354944 0.8320 -2473.7056 3 3504 0.2872 -0.5715 12278016 0.3266 -2002.4943 4 3744 0.3936 -0.2700 14017536 0.0729 -1010.8800 5 3792 0.5000 0.0000 14379264 0.0000 0.0000 6 3912 0.6064 0.2700 15303744 0.0729 1056.2400 7 3984 0.7128 0.5715 15872256 0.3266 2276.8560 8 4200 0.8191 0.9121 17640000 0.8319 3830.8200 9 4320 0.9255 1.5489 18662400 2.3991 6691.2480 Total 32880 0.0000 122863104 7.2611 4167.4446 Universitas Sumatera Utara

2. Distribusi Lognormal a.

Move Jaw Index of Fit Sxy = = 13 2.7935 – 101.0080 0 = 36.3149 Sxx = = 13 785.6466 – 101.0080 2 = 10.7895 Syy = = 13 10.3600 – 0 2 = 134.6797 Index of Fit r = = 0.9526 N Ti FTi Ti = LN ti Yi Ti 2 Yi 2 Ti.Yi 1 1488 0.0522 7.305188 -1.6236 53.3658 2.6361 -11.8607 2 1536 0.1269 7.336937 -1.1513 53.8306 1.3255 -8.4470 3 1680 0.2015 7.426549 -0.8263 55.1536 0.6828 -6.1366 4 2232 0.2761 7.710653 -0.5944 59.4542 0.3533 -4.5832 5 2400 0.3507 7.783224 -0.3833 60.5786 0.1469 -2.9833 6 2448 0.4254 7.803027 -0.1882 60.8872 0.0354 -1.4685 7 2472 0.5000 7.812783 0.0000 61.0396 0.0000 0.0000 8 2664 0.5746 7.887584 0.1882 62.2140 0.0354 1.4844 9 2712 0.6493 7.905442 0.3833 62.4960 0.1469 3.0302 10 2712 0.7239 7.905442 0.5944 62.4960 0.3533 4.6990 11 2784 0.7985 7.931644 0.8263 62.9110 0.6828 6.5539 12 3096 0.8731 8.037866 1.1513 64.6073 1.3255 9.2540 13 3504 0.9478 8.16166 1.6236 66.6127 2.6361 13.2513 Total 31728 101.0080 0.0000 785.6466 10.3600 2.7935 Universitas Sumatera Utara

b. Toggle Plate