Replacing the upper connecting rod head bushing
To replace a worn bushing of the upper connecting rod head, it should be pressed out and a new one pressed in using a hydraulic press and special mandrels. In this case, you should pay attention to the alignment of the lubrication hole in the bushing with the oil channel in the connecting rod.
VN 2.086
Installing the upper connecting rod head bushing
b. Connecting rod head width
d. Inner diameter of the bushing
d1. Inner diameter of connecting rod head
The arrows indicate the lubrication holes
VN 2.087
1. Connecting rod bearing cap
2. Connecting rod
3. Connecting rod bearing cap fastening screws
4. Piston
5. Retaining ring
6. Piston pin
7. Piston ring crimping tools
8. Marks on the connecting rod and on the connecting rod bearing cap
9. Connecting rod seat surface for bearings
10. Upper connecting rod bearing shell
11. Protrusion pressed out to secure the insert
12. Recess in the connecting rod for the locking protrusion
(Article was borrowed from the website: «MercedesMAN.ru»)
Control parameters for connecting rods
