6. Maintenance specifications 6.1. Tightening torque 6.1.1. Major part tightening torque Part
Dia.Bpitch(mm)
Grade
Tightening torque
Cylinder head bolt
M14B1.5
12.9T
24.5
Conn. rod bearing cap bolt
M16B1.5
12.9T
28
Crankshaft main bearing cap bolt
M16B1.5
12.9T
30
Balance weight fixing bolt
M14B1.5
10.9T
9
Flywheel fixing bolt
M14B1.5
10.9T
18
Crankshaft gear fixing bolt
M12B1.5
10.9T
13.4
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
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