Bearing Housing With Crankshaft

Disassembling and assembling bearing housing with crankshaft




Tools

Warning: Danger to engine if connecting rod bearing cap and connecting rod are mixed up!

>The connecting-rod bearing caps must always remain allocated to the respective connecting rods and must never be interchanged.

Recommendation: After disassembly, immediately re-join the connecting-rod bearing cap and connecting rod or mark them on the sides with and electric scribing tool (e.g. with the cylinder designation). Never mark these parts with sharp objects such as prick punches or number embossing tools.




Components, exploded view







Designations and notes




Important: Bearing housings without connecting-rod bearing twist locks should not be installed. See twist lock as of engine number M962065WO7047 with twist lock.


Disassembling and assembling bearing housing with crankshaft







Disassembly, components illustration







Procedures and instructions


Assembly instructions




Tightening sequence for thrust-bearing screws





1. Use special tool, assembly fixture 9607, for disassembly and assembly of the bearing housing, crankshaft and connecting rods of cylinder bank 4 - 6.
Special tool 9607482





2. Fasten bearing housing on the assembly fixture with two M10 x 20 hexagon-head bolts Tighten hexagon-head bolts only slightly.





3. Additionally fasten the assembly fixture on the workbench using C-clamps.





4. Place and fasten the bearing housing half of cylinder bank 4 - 6 on the special tool for assembly.




Arrangement of the main thrust bearings on the bearing housing.
Main thrust bearing 1 on the belt pulley side
Main thrust bearing 7 on the flywheel side




Arrangement of the connecting-rod bearings in the bearing housing.
Connecting-rod bearing of cylinder I on the belt pulley side
Connecting-rod bearing of cylinder 6 on the flywheel side