6. Maintenance specifications
6.1. Tightening torque
6.1.1. Major part tightening torque
6.1.2. Injection pump system
1) Injection pump delivery valve holder : 2~3kg•m
2) Nozzle holder fixing cap nut : 7kg•m
3) Nozzle fixing cap nut : 6~8kg•m
4) High pressure injection pipe fixing cap nut : Max. 3~5kg•m
- 154 -
Part
Dia.
B
pitch(mm)
Grade
Tightening torque
Cylinder head bolt
M14
B
1.5
12.9T
24.5
Conn. rod bearing cap bolt
M16
B
1.5
12.9T
28
Crankshaft main bearing cap bolt
M16
B
1.5
12.9T
30
Balance weight fixing bolt
M14
B
1.5
10.9T
9
Flywheel fixing bolt
M14
B
1.5
10.9T
18
Crankshaft gear fixing bolt
M12
B
1.5
10.9T
13.4