Appendix
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Appendix
Tightening torque for major parts
Tightening torque for plug screw
Tightening torque for hollow screw(4-hole)
* : Adopted in DOOSAN engine
Major parts
Screw
(Diameter × pitch)
Strength
(Grade)
Tightening torque
Cylinder head bolt
M14 × 1.5
10.9T
1st : 6.0 kg
•
m
2nd : 90°
3rd : 90°
4th : 90°
Final : 60°
(Angle method)
Connecting rod bearing cap bolt
M14 × 1.5
12.9T
1st : 4 kg
•
m
2nd : 60°
Crankshaft main bearing cap bolt
M16 × 1.5
12.9T
1st : 15 kg
•
m
2nd : 25 kg
•
m
Final : 30 kg
•
m
Balance weight fixing bolt
M12 × 1.5
10.9T
9.0 kg
•
m
Flywheel housing fixing bolt
M14 × 1.5
10.9T
8.0 kg
•
m
Flywheel fixing bolt
M14 × 1.5
10.9T
18 kg
•
m
Crankshaft pulley fixing bolt
M12 × 1.5
12.9T
13.4 kg
•
m
Oil spray nozzle
M14 × 1.5
-
4.5 kg
•
m
Diameter x pitch
M10x1.0
M12x1.5
M14x1.5
M16x1.5
M18x1.5
M22x1.5
M26x1.5
M30x1.5
Torque (kg.m)
5.0
5.0
8.0
8.0
10.0
12.0
12.0
15.0
Material
M8
M10
M12
M14
M16
M18
M22
M26
M30
M38
SM25C
–
1.6
2.5
3.5
4.5
5.5
9.0
13.0
18.0
30.0
*
SUM22L
0.8
1.8
3.0
4.0
5.5
6.5
11.0
16.0
20.0
35.0
STS304
0.8
1.8
3.0
4.0
5.5
6.5
11.0
16.0
20.0
35.0
Summary of Contents for GL08K
Page 1: ...950106 050004EN GL08K GAS VEHICLE ENGINE Operation Maintenance Manual ...
Page 2: ......
Page 4: ......
Page 6: ......
Page 151: ...Maintenance 145 7 Vehicle wiring harness EH3M5012 Truck engine Bus engine ...
Page 193: ...Appendix 187 Engine Assembly Bus EJ3OM012 ...
Page 194: ...Appendix 188 Engine Assembly Truck EJ3OM013 ...
Page 195: ...Special Tool List 950106 080002 ...
Page 196: ......