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FOREWORD
5.
Table of tightening torques for hoses (taper seal type and face seal type)
★ Unless there are special instructions, tighten the hoses (taper seal type and face seal type) to the torque
below.
★ Apply the following torque when the threads are coated (wet) with engine oil.
Nominal
Width
No. of
across
hose
flats
34 – 54 { 3.5 – 5.5}
02
19
34 – 63 { 3.5 – 6.5}
22
54 – 93 { 5.5 – 9.5}
03
24
59 – 98 { 6.0 – 10.0}
04
27
84 – 132 { 8.5 – 13.5}
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
★ 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.
★ Apply the following torque to the face seal joint while their threaded parts are coated with engine oil (wet-
ted).
Outer
Width
diameter
across
of pipe
flats
(mm)
(mm)
8
19
14 – 16 {1.4 – 1.6}
10
22
24 – 27 {2.4 – 2.7}
12
24 (27)
43 – 47 {4.4 – 4.8}
15 (16)
30 (32)
60 – 68 {6.1 – 6.8}
22 (20)
36
90 – 95 {9.2 – 9.7}
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)
★ 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
PC200/220(LC)-7
Tightening torque Nm {kgm}
Range
Target
44 { 4.5}
74 { 7.5}
78 { 8.0}
103 {10.5}
157 {16.0}
216 {22.0}
216 {22.0}
245 {25.0}
294 {30.0}
Tightening torque Nm {kgm}
Range
Target
15 {1.5}
25.5 {2.6}
45 {4.6}
64 {6.5}
92.5 {9.4}
10 ± 2
24 ± 4
43 ± 6
77 ± 12
STANDARD TIGHTENING TORQUE TABLE
Taper seal
Nominal No. –
Thread size
(mm)
threads, type of
–
14
–
18
22
24
30
1-3/16-12UN
33
36
42
Nominal No. –
Number of threads,
type of thread
9/16-18UN
11/16-16UN
13/16-16UN
1-14UN
1-3/16-12UN
Tightening torque
Bolts and nuts
Nm
—
Face seal
Thread
Number of
diameter (mm)
(Reference)
thread
9/16-18UN
14.3
–
–
11/16-16UN
17.5
–
–
13/16-16UN
20.6
1-14UNS
25.4
30.2
–
–
–
–
–
–
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
—
00-23
(14)
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