FOREWORD STANDARD TIGHTENING TORQUE
00-36 WA320-6
For Face Seal Joints 00
★ 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).
★ 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) 00
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.
Outer
Diameter
of Pipe
(mm)
Width
across
Flats
(mm)
Tightening Torque N•m [kgm] {lbf ft} Face seal
Range Target
Nominal No. –
Number of threads,
Type of Thread
Thread Diameter
(mm)
(Reference)
8 19 14 – 16 [1.4 – 1.6] {10.33 – 11.80} 15 [1.5] {11.06} 9/16-18UN 14.3
10 22 24 – 27 [2.4 – 2.7] {17.70 – 19.91} 25.5 [2.6] {18.81} 11/16-16UN 17.5
12 24 (27) 43 – 47 [4.4 – 4.8] {31.72 – 34.67} 45 [4.6] {33.19} 13/16-16UN 20.6
15 (16) 30 (32) 60 – 68 [6.1 – 6.8] {44.25 – 50.15} 64 [6.5] {47.20} 1-14UN 25.4
22 (20) 36 90 – 95 [9.2 – 9.7] {66.38 – 70.07} 92.5 [9.4] {68.22} 1-3/16-12UN 30.2
Thread Size
Tightening Torque
Bolts and Nuts
mm N•m kgm lbf in
6 10 ±2 1.02 ±0.20 88.51 ±17.70
mm N•m kgm lbf ft
8 24 ±4 2.45 ±0.41 17.70 ±2.95
10 43 ±6 4.38 ±0.61 31.72 ±4.43
12 77 ±12 7.85 ±1.22 56.79 ±8.85
14 — —
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