Doosan DP158LDF - Tightening Torques

5. About the engine
74
Tightening torque
Tightening Torque of Main Parts
Main Parts
Nominal
(Diameter x Pitch)
Tensile Strength
Rank
Tightening Torque Remarks
Cylinder Block Main
Bearing Cap Bolt
M18 X 2 12.9T
1st: 30.0 kgf·m
2nd: 90°
(Angle Method)
Cylinder Block Bear-
ing Cap Side Bolt
M12 X 1.5 10.9T
11.2kgf·m
Flywheel Housing Bolt
M12 X 1.5 10.9T
11.2 kgf·m ±1.5 kgf·m
M10 12.9T
7.5 kgf·m ±1.0 kgf·m
Flywheel Housing
Cover Bolt
M8 8.8T
2.2 kgf·m ±0.3 kgf·m
Crankshaft Pulley M16 X 1.5 12.9T
21.0 kgf·m ±1.0 kgf·m
Flywheel M16 X 1.5 12.9T
1st: 10.0 kgf·m
2nd: 90°
3rd: 90°
(Angle Method)
Connecting Rod Cap M16 X 1.5 10.9T
1st: 10.0 kgf·m
2nd: 90°
(Angle Method)
Cylinder Head M15 X 2 12.9T
1st: 8 kgf·m
2nd: 15 kgf·m
3rd: 90°
4th: 90°
5th: 60°
(Angle Method)
Cylinder Head Cover M8 8.8T
2.2 kgf·m ±0.33 kgf·m
Fuel Injection Nozzle
Holder
M
28 X 1.5 10.9T
7.0 kgf·m ±0.5 kgf·m
Fuel injection Pipe nut M14 X 1.5 -
5.5 kgf·m ±0.825
kgf·m
Rocker Arm Bracket M10 10.9T
6.2 kgf·m
Lock Nut (Adjusting
Screw)
M12 X 1 8.8T
5 kgf·m
Oil Pump M8 8.8T
2.2 kgf·m
Oil Cooler Housing M10 10.9T
6.2 kgf·m
Oil Cooler Cover M8 8.8T
2.2 kgf·m
Oil Pan M8 8.8T
2.2 kgf·m ±0.33 kgf·m
Oil Pan Plug M26 X 1.5 -
8.2 kgf·m