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FOREWORD
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 this table.
★ 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.
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 in this
table.
Thread Size
mm
6
mm
8
10
12
14
For 102, 107, and 114 Engine Series (Eye Joints)
Unless there are special instructions, tighten the metric eye joints of the 102, 107, and 114 engine series to the torque in this
table.
mm
6
8
10
12
mm
14
WA250-6
Tightening Torque N•m [kgm] {lbf ft}
Range
14 – 16 [1.4 – 1.6] {10 – 12}
24 – 27 [2.4 – 2.7] {18 – 20}
43 – 47 [4.4 – 4.8] {32 – 35}
60 – 68 [6.1 – 6.8] {44 – 50}
90 – 95 [9.2 – 9.7] {66 – 70}
N•m
10 ±2
N•m
24 ±4
43 ±6
77 ±12
—
N•m
8 ±2
10 ±2
12 ±2
24 ±4
N•m
36 ±5
STANDARD TIGHTENING TORQUE
Target
Number of threads,
15 [1.5] {11}
25.5 [2.6] {19}
45 [4.6] {33}
64 [6.5] {47}
92.5 [9.4] {68}
Tightening Torque
Bolts and Nuts
kgm
1.02 ±0.20
kgm
2.45 ±0.41
4.38 ±0.61
7.85 ±1.22
—
Thread size
Tightening Torque
kgm
0.81 ±0.20
1.02 ±0.20
1.22 ±0.20
2.45 ±0.41
kgm
3.67 ±0.51
Face seal
Nominal No. –
Thread Diameter
Type of Thread
(Reference)
9/16-18UN
11/16-16UN
13/16-16UN
1-14UN
1-3/16-12UN
lbf in
89 ±18
lbf ft
18 ±3
32 ±4
57 ±9
00
(mm)
14.3
17.5
20.6
25.4
30.2
00
00
lbf in
71 ±18
89 ±18
106 ±18
212 ±35
lbf ft
27 ±4
00-35
c
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