Maeda LC1385M-8BF - Tightening Torque Specifications; Standard Tightening Torque List

4-13
8. TIGHTENING TORQUE SPECIFICATIONS
8.1 STANDARD TIGHTENING TORQUE LIST
Torque the metric bolts and nuts with no specific indication to a values shown in this table.
Adequate tightening torque is determined with respect to a width across flat (b) of a bolt or nut.
Thread
diameter
of bolt (a)
(mm)
Width
Across
Flats (b)
(mm)
Tightening torque
Target value
Service limit
Nm
Kg•m
Nm
Kg•m
6
10
13.2
1.35
11.8 - 14.7
1.2 - 1.5
8
13
31.0
3.20
27.0 - 34.0
2.8 - 3.5
10
17
66.0
6.70
59.0 - 74.0
6.0 - 7.5
12
19
113
11.5
98.0 - 123
10.0 - 12.5
14
22
172
17.5
153 - 190
15.5 - 19.5
16
24
260
26.5
235 - 285
23.5 - 29.5
18
27
360
37.03
320 - 400
33.0 - 41.0
20
30
510
52.3
455 - 565
46.5 - 58.0
22
32
688
70.3
610 - 765
62.5 - 78.0
24
36
883
90.0
785 - 980
80.0 - 100
27
41
1295
132.5
1150 - 1440
118 - 147
30
46
1720
175.0
1520 - 1910
155 - 195
33
50
2210
225.0
1960 - 2450
200 - 250
36
55
2750
280.0
2450 - 3040
250 - 310
39
60
3280
335.0
2890 - 3630
295 - 370
Apply the following table for hydraulic hose.
Thread
diameter
of bolt (a)
(mm)
Width
Across
Flats (b)
(mm)
Tightening torque
Target value
Service limit
Nm
Kg•m
Nm
Kg•m
02
19
44
4.5
35 - 54
3.5 - 5.5
03
22
74
7.5
54 - 93
5.5 - 9.5
24
78
8.0
59 - 98
6.0 - 10.0
04
27
103
10.5
84 - 132
8.5 - 13.5
05
32
157
16.0
128 - 186
13.0 - 19.0
06
36
216
22.0
177 - 245
18.0 - 25.0