FOREWORD
STANDARD TIGHTENING TORQUE
PC390LL-10
00-33
12
STANDARD TIGHTENING TORQUE
00
Bolts And Nuts
00
●
Unless there are special instructions, tighten metric nuts and bolts to the torque below (when using torque wrench).
★
The following table corresponds to the bolts in Figure A.
★
Values with ( ) in the "Width across flats" column are for (*) marked bolt (flange bolt) shown in Fig. A.
★
The following table corresponds to the bolts in Figure B.
Figure A
Figure B
Thread diameter of bolt
Width across flats
Tightening torque
mm
mm
N•m
lbf ft
6
10 (10)
11.8 - 14.7
8.70 - 10.84
8
13 (12)
27 - 34
19.91 - 25.07
10
17 (14)
59 - 74
43.51 - 54.57
12
19 (17)
98 - 123
72.28 - 90.72
14
22
157 - 196
115.79 - 144.56
16
24
245 - 309
180.70 - 227.91
18
27
343 - 427
252.98 - 314.94
20
30
490 - 608
361.40 - 448.44
22
32
662 - 829
488.27 - 611.44
24
36
824 - 1,030
607.75 - 759.68
27
41
1,180 - 1,470
870.32 - 1,084.22
30
46
1,520 - 1,910
1,121.09 - 1,408.74
33
50
1,960 - 2,450
1,445.62 - 1,807.02
36
55
2,450 - 3,040
1,807.02 - 2,242.19
39
60
2,890 - 3,630
2,131.55 - 2,677.35
Thread diameter of bolt
Width across flats
Tightning torque
mm
mm
N•m
lbf ft
6
10
5.9 - 9.8
4.35 - 7.22
8
13
13.7 - 23.5
10.10 - 17.33
10
14
34.3 - 46.1
25.29 - 34.00
12
27
74.5 - 90.2
54.94 - 66.52