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11. Bolt Torque Specifications

NO. Item Remark Tightening Torque (N.m)

1 Rocker Arm Studs M8 class 8.8 30±2 Nm

2 Rocker Arm Lock Nut M6x0.75 class 8.8 10±1Nm

3 Connecting Rod Bolts M7x38.5 class 10.9 30±2Nm

4 Flywheel Bolt M12x40 class 8.8 80±2Nm

5 End Plate Bolts M8x35 class 8.8 22±2 Nm

6 Muffler Nuts M8 class 8.8 25±2 Nm

7 Oil Drain Plug M16x1.5 class 8.8 30±5Nm

8 Rocker Cover Bolts M6x25 class 8.8 10±1Nm

9 Cylinder Head Bolts M10x90 class 10.9

Cross wise sequence

Step 1 28~32Nm

Step 2 58~62Nm

10 Fuel Injection Pump Nuts M6 class 8.8 11±1Nm

11 Fuel Injector Nuts M6 class 8.8 8±1Nm

12 Shrouds, muffler M6x25 class 8.8 10±1Nm

13 Fan Cover M6x30 class 8.8 10±1Nm

14 Air box M8 class 8.8 25±2Nm

15 HP Fuel Line Union, Pump M12x1.5 35±2Nm

16 HP Fuel Line Union, Injector M14x1.5 35±2Nm

Unspecified bolts and nuts listed above, refer to the table of standard torque values.

LONCIN LC178FD User Manual

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