12 | Maintenance
256 DOCMA0000006‐UK ﴾ENG﴿ ‐ Samson FPT 3A
12.23.2 Bolts tightening torques: Coarse 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)
M3
0.10 1219.9 0.54 1524.9 0.68 1829.9 0.82 2439.9 1.09 3431.0 1.53 4117.2 1.84
0.14 1125.9 0.60 1407.4 0.83 1688.9 1.00 2251.9 1.34 3166.7 1.88 3800.0 2.26
M3.5
0.10 1638.2 0.84 2047.8 1.05 2457.3 1.26 3276.4 1.68 4607.5 2.36 5528.9 2.84
0.14 1511.3 1.03 1889.2 1.28 2267.0 1.54 3022.6 2.05 4250.6 2.89 5100.7 3.47
M4
0.10 2115.4 1.25 2644.3 1.56 3173.1 1.88 4230.8 2.50 5949.6 3.52 7139.5 4.22
0.14 1950.9 1.53 2438.7 1.91 2926.4 2.29 3901.9 3.06 5487.0 4.30 6584.4 5.16
M5
0.10 3461.6 2.46 4327.0 3.08 5192.3 3.70 6923.1 4.93 9735.7 6.93 11682.8 8.32
0.14 3196.8 3.02 3996.0 3.78 4795.2 4.53 6393.7 6.04 8991.1 8.50 10789.3 10.20
M6
0.10 4874.7 4.24 6093.4 5.30 7312.1 6.35 9749.4 8.47 13710.1 11.92 16452.2 14.30
0.14 4499.1 5.19 5623.9 6.48 6748.6 7.78 8998.2 10.37 12653.7 14.59 15184.4 17.51
M7
0.10 7134.5 6.97 8918.2 8.71 10701.8 10.45 14269.1 13.94 20065.9 19.60 24079.1 23.52
0.14 6599.6 8.60 8249.5 10.76 9899.4 12.90 13199.2 17.21 18561.4 24.20 22273.6 29.04
M8
0.10 8947.1 10.20 11183.9 12.75 13420.7 15.30 17894.2 20.41 25163.7 28.70 30196.5 34.44
0.14 8265.6 12.54 10332.0 15.67 12398.4 18.80 16531.2 25.07 23247.0 35.26 27896.5 42.31
M10
0.10 14244.5 20.11 17805.6 25.14 21366.8 30.16 28489.0 40.22 40062.7 56.56 48075.3 67.87
0.14 13167.4 24.76 16459.2 30.95 19751.1 31.14 26334.8 49.52 37033.3 69.64 44439.9 83.56
M12
0.10 20766.6 34.43 25958.3 43.03 31149.9 51.64 41533.2 68.86 58406.1 96.83 70087.3 116.20
0.14 19204.0 42.42 24005.0 53.03 28806.0 63.63 38408.0 84.84 54011.2 119.31 64813.5 143.17
M14
0.10 28389.9 54.77 35487.4 68.46 42584.9 82.15 56779.8 109.53 79846.6 154.03 95816.0 184.84
0.14 26261.2 67.56 32826.5 84.45 39391.8 101.34 52522.4 135.13 73859.6 190.02 88631.5 228.03
M16
0.10 39242.1 85.14 49052.7 106.43 58863.2 127.72 78484.3 170.29 110368.
5
239.47 132442.
2
287.36
0.14 36364.2 105.80 45455.3 132.26 54546.3 158.71 72728.5 211.61 102274.
4
297.58 122729.
3
357.09
M18
0.10 47533.0 117.48 59416.3 146.85 71299.6 176.22 95066.1 234.96 133686.
7
330.41 160424.
1
396.49
0.14 43986.1 145.16 54982.7 181.45 65979.2 217.74 87972.3 290.32 123711.
0
402.26 148453.
2
489.92
M20
0.10 61238.0 166.08 76547.5 207.61 91857.0 249.13 122476.
0
332.17 172231.
9
467.11 206678.
2
560.54
0.14 56747.1 206.39 70933.9 257.98 85120.6 309.58 113494.
2
412.78 159601.
2
580.47 191521.
5
696.56
M22
0.10 76305.2 227.22 95381.5 284.02 114457.
8
340.82 152610.
4
454.43 214608.
3
639.05 257530.
0
766.85
0.14 70791.9 283.79 88489.8 352.74 106187.
8
425.69 141583.
7
567.58 199102.
1
798.16 238922.
5
957.80
M24
0.10 88232.4 287.16 110290.
5
358.94 132348.
6
430.73 176464.
9
574.31 248153.
7
807.63 297784.
4
969.15
0.14 81761.8 356.84 102202.
2
446.05 122642.
7
535.26 163523.
6
713.68 229955.
1
1003.61 275946.
1
1204.33
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