Doosan DX22 - Tightening Torque; Tightening Torque of Main Parts

5. General Engine Information
52
Tightening Torque
Tightening Torque of Main Parts
Main Parts
Name
(Dia. × pitch)
Strength Tightening Torque
Cylinder block bearing cap
- Main bolt M18 × 2.0 12.9T 30 kgf·m (216.99 lbf·ft) + 90° (0 ~ 10°)
- Side bolt M12 × 1.5 12.9T 13.4 kgf·m (96.9224 lbf·ft)
Oil spray nozzle
- Valve M14 × 1.5 - 7 kgf·m (50.6311 lbf·ft)
- Mounting bolt M6 8.8T 1.2 kgf·m (8.6796 lbf·ft)
Flywheel housing
M10 × 1.5 12.9T 7.5 kgf·m (54.2476 lbf·ft)
M12 × 1.5 12.9T 13.4 kgf·m (96.9224 lbf·ft)
M14 × 1.5 12.9T 17 kgf·m (122.961 lbf·ft)
Balance weight M16 × 1.5 10.9T 14 kgf·m (101.262 lbf·ft) + 90˚
Crankshaft pulley M16 × 1.5 12.9T 21 kgf·m (151.893 lbf·ft)
Vibration damper M12 × 1.5 12.9T 13.4 kgf·m (96.9224 lbf·ft)
Flywheel M18 × 1.5 14.9T 20 kgf·m (144.66 lbf·ft) + 90° + 90° + 55°
Connecting rod cap M16 × 1.5 12.9T 10 kgf·m (72.33 lbf·ft) + 90˚
Cylinder Head M16 × 2.0 - 4 kgf·m (28.93 lbf·ft) + 90° + 90°
Cylinder center cover M8 × 1.25 8.8T 2.2 kgf·m (15.91 lbf·ft)
Cylinder head cover M8 × 1.25 8.8T 2.2 kgf·m (15.91 lbf·ft)
Rocker arm bracket M10 × 1.5 10.9T 6.2 kgf·m (44.8447 lbf·ft)
Rocker arm adjustment nut M10 × 1.0 8.8T 5.0 kgf·m (36.1651 lbf·ft)
Oil pump mounting M8 × 1.25 8.8T 2.2 kgf·m (15.91 lbf·ft)
Oil Filter M10 × 1.5 8.8T 4.4 kgf·m (31.8253 lbf·ft)
Oil cooler M10 × 1.5 8.8T 4.4 kgf·m (31.8253 lbf·ft)
Oil pan M8 × 1.25 10.9T 3.1 kgf·m (22.4223 lbf·ft)
Oil pan drain plug M30 × 1.5 - 15 kgf·m (108.495 lbf·ft)
Exhaust manifold M10 × 1.5 - 8.0 kgf·m (57.8641 lbf·ft)
Intake manifold M8 × 1.25 8.8T 2.2 kgf·m (15.91 lbf·ft)
Hanger bracket mounting bolt M16 × 2.0 10.9T 26.0 kgf·m (188.058 lbf·ft)
Starter motor M12 × 1.5 8.8T 8.0 kgf·m (57.8641 lbf·ft)
Alternator bracket M12 × 1.5 8.8T 8.0 kgf·m (57.8641 lbf·ft)
Coolant temperature sensor M12 × 1.5 - 2.5 kgf·m (18.0825 lbf·ft)
Intake temperature sensor M10 × 1.25 - 0.8 kgf·m (5.7864 lbf·ft)
Fuel injector mounting bracket bolt M8 10.9T 3.0 ~ 3.5 kgf·m (21.69 ~ 25.32 lbf·ft)
High-pressure fuel pump mounting bolt M10 × 1.5 10.9T 6.2 kgf·m (44.8447 lbf·ft)
High-pressure fuel connector nut M22 × 1.5 - 5.5 kgf·m (39.7816 lbf·ft)
Common rail mounting bolt M8 10.9T 2.2 kgf·m (15.91 lbf·ft)
High-pressure fuel pipe - High-pressure
fuel connector
M14 × 1.5 - 4.0 kgf·m (28.9321 lbf·ft)
High-pressure fuel pipe - Common rail M14 × 1.5 - 4.0 kgf·m (28.9321 lbf·ft)
High-pressure fuel pipe - High-pressure
fuel pump
M14 × 1.5 - 4.0 kgf·m (28.9321 lbf·ft)
Fuel filter mounting bolt M10 × 1.5 10.9T 6.2 kgf·m (44.8447 lbf·ft)