Challenger MT835C, Service Manual

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79033095 C Rev. 1-21
Introduction
Inch Fasteners
Assembly Torque for Inch Fasteners
Standard High Low
Thread Size Torque
Pound Feet
lbf ft
Torque
Newton
Meters
Nm
Torque
Pound Feet
lbf ft
Torque
Newton
Meters
Nm
Torque
Pound Feet
lbf ft
Torque
Newton
Meters
Nm
1/4 - 20 8 to 10 9 to 15 9 to 11 10 to 16 3.5 to 4.5 5 to 7
5/16 - 18 16 to 20 19 to 31 18 to 22 21 to 35 9 to 11 10 to 16
3/8 - 16 31 to 39 38 to 56 36 to 44 40 to 60 16 to 20 19 to 31
7/16 - 14 45 to 55 55 to 85 54 to 66 65 to 95 27 to 33 32 to 48
1/2 - 13 67 to 83 85 to 125 81 to 99 100 to 140 40 to 50 48 to 72
9/16 - 12 110 to 130 130 to 190 117 to 143 145 to 205 55 to 65 70 to 100
5/8 - 11 145 to 175 175 to 255 160 to 190 200 to 280 75 to 95 95 to 135
3/4 - 10 245 to 305 320 to 420 290 to 350 370 to 490 135 to 165 160 to 240
7/8 - 9 410 to 510 540 to 700 470 to 570 610 to 790 215 to 265 285 to 365
1 - 8 590 to 730 800 to 1000 700 to 850 900 to 2200 335 to 405 435 to 565
1 1/8 - 7 860 to 1060 1150 to 1450 965 to 1175 1300 to 1600 465 to 565 610 to 790
1 1/4 - 7 1190 to 1450 1600 to 2000 1395 to 1705 1850 to 2350 880 to 1070 875 to 1125
1 3/8 - 6 1600 to 1960 2100 to 2700 1790 to 2190 2400 to 3000 1185 to 1445 850 to 1150
1 1/2 - 5 2050 to 2510 2750 to 3450 2385 to 2915 3200 to 40000 1515 to 1845 1500 to 1900
Standard Taperlock Studs
Thread Size Torque
lbf ft
Torque
Nm
1/4 6 8
5/16 13 17
3/8 26 35
7/16 33 45
1/2 48 65
5/8 80 110
3/4 125 170
7/8 190 260
1 300 400
1 1/8 390 525
1 1/4 550 750
1 3/8 700 950
1 1/2 880 1200
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