FOREWORD
STANDARD TIGHTENING TORQUE
00-36
PC390LL-10
Tightening Torque For Hoses (Taper Seal Type And Face Seal Type)
00
★
Tighten the hoses (taper seal type and face seal type) to the following torque, unless otherwise specified.
★
Apply the following torque when the threads are coated (wet) with engine oil.
Tightening Torque 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).
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.
Nominal
size of hose
Width
across flats
Tightening torque (N•m (lbf ft))
Taper seal
type
Face seal type
Range
Target
Thread size
(mm)
Nominal thread
size - Threads per
inch, Thread series
Root diameter (mm)
(Reference)
02
19
34 - 54 (25.0 - 39.8)
44 (32.4)
-
9/16 - 18UN
14.3
34 - 63 (25.0 - 46.4)
44 (32.4)
14
-
-
03
22
54 - 93 (39.8 - 68.5)
74 (54.5)
-
11/16 -16UN
17.5
24
59 - 98 (43.5 - 72.2)
78 57.5)
18
-
-
04
27
84 - 132 (61.9 - 97.3)
103 (75.9)
22
13/16 - 16UN
20.6
05
32
128 - 186 (94.4 - 137.1)
157 (115.7)
24
1 - 14UNS
25.4
06
36
177 - 245 (130.5 - 180.7)
216 (159.3)
30
1-3/16 - 12UN
30.2
(10)
41
177 - 245 (130.5 - 180.7)
216 (159.3)
33
-
-
(12)
46
197 - 294 (145.3 - 216.8)
245 (180.7)
36
-
-
(14)
55
246 - 343 (181.4 - 252.9)
294 (216.8)
42
-
-
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
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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