12 | Maintenance
254 DOCMA0000006‐UK ﴾ENG﴿ ‐ Samson FPT 3A
12.23 Bolts tightening torques
12.23.1 Bolts tightening torques: Fine pitch
Coefficient of friction
4.8 5.8 6.8 8.8 10.9 12.9
Preload (N)
Tightening
torque:(Nm)
Preload (N)
Tightening
torque:(Nm)
Preload (N)
Tightening
torque:(Nm)
Preload (N)
Tightening
torque:(Nm)
Preload (N)
Tightening
torque:(Nm)
Preload (N)
Tightening
torque:(Nm)
M8
0.10 9798.1 10.87 12247.6 13.59 14697.1 16.31 19596.1 21.75 27557.1 30.58 33068.5 36.70
0.14 9079.5 13.53 11349.4 16.91 13619.3 20.29 18159.1 27.05 25536.2 38.04 30643.4 45.65
M10
0.10 15296.9 21.13 19121.1 26.41 22945.3 31.69 30593.8 42.25 43022.5 59.42 51627.0 71.30
0.14 14175.0 26.27 17718.8 32.84 21262.6 39.41 28350.1 52.55 39867.3 73.89 47840.8 88.67
M10
0.10 16383.6 22.12 20479.5 27.66 24575.4 33.19 32767.2 44.25 46078.8 62.23 55294.6 74.67
0.14 15221.6 27.80 19027.0 34.75 22832.5 41.70 30443.3 55.61 42810.8 78.20 51373.0 93.84
M12
0.10 22020.7 35.83 27525.9 44.79 33031.0 53.75 44041.4 71.67 61933.2 100.78 74319.8 120.94
0.14 20405.8 44.53 25507.2 55.66 30608.7 66.79 40811.6 89.06 57391.3 125.24 68869.5 150.29
M12
0.10 23333.7 37.26 29167.1 46.57 35000.6 55.88 46667.4 74.51 65626.1 104.78 78751.3 125.74
0.14 21669.2 46.70 27086.5 58.38 32503.8 70.06 43338.4 93.41 60944.6 131.36 73133.5 157.63
M14
0.10 31610.0 59.04 39512.5 73.80 47415.0 88.57 63220.0 118.09 88903.1 166.06 106683.
7
199.27
0.14 29345.9 73.92 36682.4 92.40 44018.9 110.89 58691.9 147.85 82535.4 207.91 99042.5 249.49
M16
0.10 42581.3 89.78 53226.6 112.23 63871.9 134.67 85162.5 179.56 119759.
8
252.51 143711.
8
303.02
0.14 39587.8 113.06 49484.7 141.32 59381.6 169.59 79175.5 226.12 111340.
6
317.98 133608.
7
381.57
M18
0.10 51457.2 124.03 64321.5 155.03 77185.8 186.04 102914.
4
248.06 144723.
3
348.83 173668.
0
418.59
0.14 47751.7 155.02 59689.6 193.78 71627.5 232.53 95503.3 310.05 134301.
6
436.00 161161.
9
523.20
M18
0.10 55415.1 130.17 69268.9 162.72 83122.7 195.26 110830.
3
260.35 155855.
1
366.12 187026.
1
439.34
0.14 51577.6 164.67 64472.0 205.84 77366.4 247.01 103155.
2
329.35 145062.
1
463.15 174074.
5
555.77
M20
0.10 65534.1 173.72 81917.7 217.16 98301.2 260.59 131068.
3
347.45 184314.
8
488.60 221177.
8
586.32
0.14 60886.2 218.17 76107.8 272.71 91329.3 327.26 121772.
4
436.34 171242.
5
613.61 205491.
0
736.33
M20
0.10 70114.7 181.58 87643.3 226.97 105172.
0
272.36 140229.
3
363.15 197197.
5
51.68 236637.
0
612.82
0.14 65319.1 230.55 81648.8 288.19 97978.6 345.82 130638.
1
461.10 183709.
9
648.42 220451.
9
778.10
M22
0.10 81220.8 236.88 101526.
0
296.10 121831.
2
355.32 162441.
5
473.76 228433.
4
666.23 274120.
1
799.48
0.14 75533.9 298.75 94417.4 373.43 113300.
9
448.12 151067.
8
597.49 212439.
1
840.22 254927.
0
1008.27