Snorkel 000003 Series, Repair Parts Manual

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Maintenance – 20 660SJ
Fastener Torque Chart – Metric System
Torque chart information:
y
Consult manufacturers’ specific recommendations, when available.
y
The chart may be used with both coarse and fine thread fasteners lightly lubricated.
y
Increase torque by 20% when multiple tapered tooth (shake proof) lock washers are used.
y
Foot/pound equivalent may be obtained by dividing by 12.
y
Inch/pound equivalent may be obtained by multiplying by 12.
y
Newton/meter equivalent may be obtained by multiplying inch/pound by 0.1130.
y
Newton/meter equivalent may be obtained by multiplying foot/pound by 1.3558.
Capscrew
Size
In-LBS
Dry
In-LBS
Lubed
FT-LBS
Dry
FT-LBS
Lubed
Clamp
Load (lb)
In-LBS
Dry
In-LBS
Lubed
FT-LBS
Dry
FT-LBS
Lubed
Clamp
Load (lb)
M4 - 0.7
27 20
861
36 24 1,173
M5 - 0.8
55 41
1,394
72 60
1,895
M6 - 1.0 93
70
1,971
132
96 2,686
M8 - 1.25 228 168 19
14
3,591
312
228 4,889
M8 - 1.0
240
180
20 15
3,844
336 252 5,232
M10 - 1.5
37
28 5,693
51
38
7,744
M10 - 1.25 39
30
6,008
54 41
8,171
M12 - 1.75
65
49 8,273 89
66 11,257
M12 - 1.25
71 53
9,037 96
72
12,297
M14 - 2.0
103 77
11,285
140 107 15,354
M14 - 1.5
114
85
12,263 155 114
16,691
M16 - 2.0
162 122 15,404 221 166
20,963
M16 - 1.5
173
129 16,388
236 177 22,311
M18 - 2.5
222 167
19,423
235 176
M18 - 1.5
M20 - 2.5
317 236 24,042
428
321 32,720
M20 - 1.5
350 262
26,695 479 358
36,316
M22 - 2.5 428
321 30,651 452
339
M22 - 1.5
M24 - 3.0
546
409
34,642 745 557 47,141
M24 - 2.0 594
446 37,676
811
605 51,277
M27 - 3.0 796 597 45,039 1,084 811 61,292
M27 - 2.0 863
645
58,785
1,173
848
66,226
M30 - 3.5 1084 811
55,054 1,475 1106
74,915
M30 - 3.0
1121
841 56,908
1,527 1143 77,444
M30 - 2.0
1202
900 60,932
1,630 1224
82,917
Rev D
Grade 8.8 Grade 10.9