Tightening procedure for crankshaft bearing caps

AR03.20-S-4351-02E

Tightening procedure for crankshaft bearing caps

Model

447 with engine 651

 Crankshaft

Number

Designation

Engine 651 in model 447

BA03.20-N-1001-01J

Bolt, crankshaft bearing cap to crankcase

M11

Stage 1

Nm

-

Stage 2

°

-

M12

Stage 1

Nm

60

Stage 2

°

90

1

Tighten screw/bolts (1 to 10) for crankshaft bearing cap in ascending sequence to the stage 1 tightening torque.   .

2

Continue to turn screw/bolts (1 to 10) on crankshaft bearing cap to the 2nd stage rotation angle.   .