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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
14 – 16 [1.4 – 1.6] {10.33 – 11.80}
10
22
24 – 27 [2.4 – 2.7] {17.70 – 19.91}
12
24 (27)
43 – 47 [4.4 – 4.8] {31.72 – 34.67}
15 (16)
30 (32)
60 – 68 [6.1 – 6.8] {44.25 – 50.15}
22 (20)
36
90 – 95 [9.2 – 9.7] {66.38 – 70.07}
★ 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)
Tighten the metric bolts and nuts of the 102, 107 and 114 engine series to the torque in this table, unless there are special
instructions.
Thread Size
mm
6
mm
8
10
12
14
00-36
Tightening Torque N•m [kgm] {lbf ft}
Range
N•m
10 ±2
N•m
24 ±4
43 ±6
77 ±12
—
STANDARD TIGHTENING TORQUE
Nominal No. –
Target
Number of threads,
Type of Thread
15 [1.5] {11.06}
9/16-18UN
25.5 [2.6] {18.81}
11/16-16UN
45 [4.6] {33.19}
13/16-16UN
64 [6.5] {47.20}
1-14UN
92.5 [9.4] {68.22}
1-3/16-12UN
Tightening Torque
Bolts and Nuts
kgm
1.02 ±0.20
kgm
2.45 ±0.41
4.38 ±0.61
7.85 ±1.22
—
Face seal
Thread Diameter
(mm)
(Reference)
14.3
17.5
20.6
25.4
30.2
lbf in
88.51 ±17.70
lbf ft
17.70 ±2.95
31.72 ±4.43
56.79 ±8.85
WA320-6
00
00
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