Gear drive
18
Mechanical system
Introduction of New Generation of 4-Cylinder Inline Engines, OM 651
q
Gear drive
One of the most important innovations is the gear
drive in combination with a chain drive on the output
side. The reduction in the vibrations produced by the
crankshaft results in a noticeably smoother running
engine.
The following components are driven by the new gear
drive system:
• Lanchester balance shafts
•Oil pump
• High pressure pump
• Vacuum pump via continuous central drive shaft of
oil pump
Gear drive
1 Intermediate gears
2 Crankshaft gear
3 Lanchester drive gears
4 Oil and vacuum pump drive gear
5 Drive sprocket
6 High-pressure pump drive gear
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