2. Maintenance
2-3
2.2.2
Tightening torque of such important quality parts as bolts and nuts
[Excerpted from HIS C-40940 (company standard)]
Remarks
M6
M8
M10
M12
M14
M16
M18
M20
M22
M24
1
Air end
10.9
―
4.8
44.2
(5)
[51]
106.2
(12)
[124]
221.3
(25)
[255]
380.5
(43)
[425]
-
-
-
-
-
-
for prevention of deformation of outer ring
12.9
―
4.8
44.2
(5)
[51]
106.2
(12)
[124]
221.3
(25)
[255]
380.5
(43)
[425]
-
-
-
-
-
-
for prevention of deformation of outer ring
②
―
―
―
-
-
-
-
-
-
-
-
-
-
・
Others
12.9
―
8.8
88.5
(10)
[100]
221.2
(25)
[245]
433.6
(49)
[485]
752.2
(85)
[845]
1194.7
(135)
[1350]
1858.4
(210)
[2100]
-
-
-
-
2
Mounting
③ ・
Mounting bracket
10.9
―
8.8
-
221.2
(25)
[245]
433.6
(49)
[485]
752.2
(85)
[845]
1194.7
(135)
[1350]
1858.4
(210)
[2100]
2477.9
(280)
[2800]
3628.3
(410)
[4100]
-
-
with spring washer
④ ・
Vibration isolator ass'y
―
4.8
4.8
-
106.2
(12)
[124]
221.2
(25)
[245]
380.5
(43)
[425]
601.8
(68)
[675]
929.2
(105)
[1050]
1327.4
(150)
[1500]
1858.4
(210)
[2100]
-
-
use spring nut
3
Coupling portion between comp. air end and engine
⑤ ・
Housing
4.8
―
4.8
-
106.2
(12)
[124]
221.2
(25)
[245]
380.5
(43)
[425]
601.8
(68)
[675]
929.2
(105)
[1050]
1327.4
(150)
[1500]
1858.4
(210)
[2100]
-
-
with spring washer
⑥ ・
Coupling (GEAR, drive)
10.9/12.9
―
8.8
-
221.2
(25)
[245]
433.6
(49)
[485]
752.2
(85)
[845]
1194.7
(135)
[1350]
1858.4
(210)
[2100]
2477.9
(280)
[2800]
3628.3
(410)
[4100]
-
-
with spring washer
⑦ ・
Coupling (GEAR, driven)
12.9
―
8.8
-
221.2
(25)
[245]
433.6
(49)
[485]
752.2
(85)
[845]
1194.7
(135)
[1350]
1858.4
(210)
[2100]
2477.9
(280)
[2800]
3628.3
(410)
[4100]
-
-
with lock washer
4
Lifting portion
⑧ ・
Lifting bail (less than M20)
10.9
4.8
6.8
-
159.3
(18)
[183]
327.4
(37)
[365]
601.8
(68)
[675]
929.2
(105)
[1050]
1327.4
(150)
[1500]
1858.4
(210)
[2100]
-
-
-
with spring washer
5
Pressure vessel and pipes
⑨ ・
Separator cover
10.9
―
8.8
-
221.2
(25)
[245]
433.6
(49)
[485]
752.2
(85)
[845]
1194.7
(135)
[1350]
1858.4
(210)
[2100]
2477.9
(280)
[2800]
3628.3
(410)
[4100]
4955.8
(560)
[5600]
6283.2
(710)
[7100]
with spring washer
⑩ ・
Flange for pipe (less than M20)
10.9 8.8
※
2
8.8
-
221.2
(25)
[245]
433.6
(49)
[485]
752.2
(85)
[845]
1194.7
(135)
[1350]
1858.4
(210)
[2100]
2566.4
(290)
[2900]
-
-
-
with spring washer
※
1
When fixing parts of aluminum are used, lock washer shall be used for avoiding damage.
※
2
Nut shall be of S45C ( equivalent to 8.8 of strength classification ).
―
① ・
End cover
Tightening torque lbf
・
in.(N
・
m)[kgf
・
cm]
Strength
classification
Torque
section
Bolt
Nut
Coarse thread / fine thread
Application parts & portions
※1
Discount-Equipment.com
Summary of Contents for PDS185S-6E1
Page 1: ...www discount equipment com D i s c o u n t E q u i p m e n t c o m...
Page 10: ...1 Specification 1 4 Unit mm A131025 D i s c o u n t E q u i p m e n t c o m...
Page 18: ...1 Specification 1 12 1 7 Piping Diagram PC14063E D i s c o u n t E q u i p m e n t c o m...
Page 19: ...1 Specification 1 13 1 8 Fuel Piping PC14001 D i s c o u n t E q u i p m e n t c o m...