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SEN01986-02
5.
Table of tightening torques for hoses (taper seal type and face seal type)
a Unless there are special instructions, tighten the hoses (taper seal type and face seal type) to the
torque below.
a Apply the following torque when the threads are coated (wet) with engine oil.
Nominal
Width
No. of
across
hose
flats
02
19
22
03
24
04
27
05
32
128 – 186 {13.0 – 19.0}
06
36
177 – 245 {18.0 – 25.0}
(10)
41
177 – 245 {18.0 – 25.0}
(12)
46
197 – 294 {20.0 – 30.0}
(14)
55
246 – 343 {25.0 – 35.0}
6.
Table of tightening torques for face seal joints
a Tighten the face seal joints (sleeve nut type) made of plated steel pipes for low pressure service to
be used for engines etc. to the torque shown in the following table.
a Apply the following torque to the face seal joint while their threaded parts are coated with engine oil
(wetted).
Outer
Width
diameter
across
of pipe
flats
(mm)
(mm)
8
19
10
22
12
24 (27)
15 (16)
30 (32)
22 (20)
36
Reference: The face seal joints of the dimensions in ( ) are also used, depending on the specification.
7.
Table of tightening torques for 102, 107 and 114 engine series (Bolts and nuts)
a Unless there are special instructions, tighten the metric bolts and nuts of the 102, 107 and 114
engine series to the torque below.
Thread size
mm
6
8
10
12
14
34
Tightening torque Nm {kgm}
Range
34 – 54 { 3.5 – 5.5}
34 – 63 { 3.5 – 6.5}
54 – 93 { 5.5 – 9.5}
59 – 98 { 6.0 – 10.0}
84 – 132 { 8.5 – 13.5}
Tightening torque Nm {kgm}
Range
14 – 16 {1.4 – 1.6}
24 – 27 {2.4 – 2.7}
43 – 47 {4.4 – 4.8}
60 – 68 {6.1 – 6.8}
90 – 95 {9.2 – 9.7}
Taper seal
Thread size
Target
(mm)
–
44 { 4.5}
14
74 { 7.5}
–
78 { 8.0}
18
103 {10.5}
22
157 {16.0}
24
216 {22.0}
30
216 {22.0}
33
245 {25.0}
36
294 {30.0}
42
Nominal No. –
Target
Number of threads,
type of thread
15 {1.5}
9/16-18UN
25.5 {2.6}
11/16-16UN
45 {4.6}
13/16-16UN
64 {6.5}
1-14UN
92.5 {9.4}
1-3/16-12UN
Tightening torque
Bolts and nuts
Nm
10 ± 2
24 ± 4
43 ± 6
77 ± 12
—
00 Index and foreword
Face seal
Nominal No. –
Thread
Number of
diameter (mm)
threads, type of
(Reference)
thread
9/16-18UN
–
11/16-16UN
–
13/16-16UN
1-14UNS
1-3/16-12UN
–
–
–
Face seal
Thread diameter
(mm)
(Reference)
14.3
17.5
20.6
25.4
30.2
kgm
1.02 ± 0.20
2.45 ± 0.41
4.38 ± 0.61
7.85 ± 1.22
—
PC300, 350-8
14.3
–
17.5
–
20.6
25.4
30.2
–
–
–
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