Crankshaft Main Bearing: Service and Repair
AR03.20-P-4360-01MCC Assign Crankshaft Bearing Shells
1. Assign crankshaft bearing shell to the cylinder crankcase (1).
Assignment of the bearing shell takes place over a number on the side of the crankshaft bearing shells and numbers (arrow) on the underside of the cylinder crankcase (1).
The bearing shells are to be assigned to the bearing points in the crankcase (1) according to the sequence of the numbers (arrow).
The first bearing point is located opposite the output side of the engine.
The respective number on the cylinder crankcase (1) represents the number on the associated crankshaft bearing shell in the cylinder crankcase (1).
2. Assign crankshaft bearing shells to the crankshaft bearing caps
Assignment of the bearing shell takes place over a number on the side of the crankshaft bearing shells and the first four numbers (3) on the cheek of the crankshaft (2).
The additional three numbers (4) are foreseen for the connecting rod bearing shells.
The crankshaft bearing shell should be assigned to the crankshaft bearing caps according to the sequence of the numbers (3).
The first bearing point is located opposite the output side of the engine.
The respective number on the cheek of the crankshaft (2) represents the number on the associated crankshaft bearing shell in the crankshaft bearing cap.
The number on the cylinder crankcase represents the number (arrow) on the associated crankshaft bearing shell (5) in the cylinder crankcase.
The number on the cheek of the crankshaft (arrow) represents the number on the associated crankshaft bearing shell (6) in the crankshaft bearing cap.
The crankshaft bearing shells (5) in the cylinder crankcase are fitted with an oil duct; the crankshaft bearing shells (6) in the crankshaft bearing caps are smooth.