1. International Trainer Conference
Q076463:
Welcome to the
International Trainer Conference
July 2001
Gernot Nehmeyer VS-12

2. The New 8-Cylinder 3,6 and 4,4 l N62-Engine
Q076463:
The New 8-Cylinder 3,6 and 4,4 l
N62-Engine

3. Introduction N62-Engine Engine Part 1 - Intake-/Exhaust-System
Morning / Block 1
Afternoon / Block 2
TA 1
Training opening
- Introduction/Warm up
TA 5
Engine Part 3
- Engine Block
- Cooling System/Oil System
- Engine Assembly
TA 2
Introduction N62-Engine
TA 3
Engine Part 1
- Intake-/Exhaust-System
- Ancillary components and belt drive
TA 6
Engine Management ME 9.2
- ME 9.2-Control Unit
- Valvetronic-Control Unit
TA 4
Engine Part 2
- Cylinder Head and Valve System
Valvetronic (VANOS/Valve lift
adjustment)
TA 7
Training end
- Conclusion of Seminar
- Seminar Feedback

4. Advantage of the Valvetronic + ++ o - +(+) + ++ o - +(+)
Q076463:
Advantage of the Valvetronic
VANOS
Engine
VALVETRONIC
Petrol-DI
(direct Injection) + ++
Charge cycle o
Emission characteristic -
Full load
+(+)
VANOS
Engine
VALVETRONIC
Otto-DI
(direkt Injektion)
Efficency + ++
Charge cycle o
Emission characteristic -
Full load
+(+)

5. Loss Rate of a conventionel
Carnot
Perfect Engine
Real
Engine
Wheel
> 10%
Throttling loss
100 % Energie Input
22 % Available Energie
Loss Rate of a conventionel
Petrol Engine

6. Q076463:
Charge Cycle Diagram
Gain
Loss

7. Comparision Standard Engine - VALVETRONIC
Vacum occur in the
Intake System
Direct Load control
by the Valve
Comparision Standard Engine - VALVETRONIC

9. Output [kW] Torque [Nm] Engine speed [rpm]

10. Output [kW] Torque [Nm] Engine speed [rpm]

11. ME 9.2 + VALVETRONIC control unit
Technical Data
Engine:
N62B36
N62B44
Displacement (in ccm):
3600
4398
Output (kW / rpm):
200 / 6000
245 / 6000
Torque (Nm / rpm):
360 / 3300
450 / 3100
Intake valve lift (mm):
0,3 – 9,85
Engine Management (DME):
ME VALVETRONIC control unit
Emission regulations:
EU3/EU4/LEV
V max (km/h) electronically limited:
250
Reduction in fuel consumption compared to previous model:
13 %
14 %

14. Q076463:
short intake pipe
long intake pipe
adjustment

16. rigid intake pipe
2 step variable length intake pipe
Torque [Nm]
Engine speed [rpm]

17. 2 step variable length intake pipe
Torque [Nm]
Engine speed [rpm]

18. 3 step variable length intake pipe
continuously variable length intake pipe
Torque [Nm]
Engine speed [rpm]

19. continuously variable length intake pipe
continuously variable length intake pipe with additional volume
Torque [Nm]
Engine speed [rpm]

20. (without additional volume)

22. Disassembling intake system
Practice:
Disassembling intake system

25. Alternator Index Explanation G1 Alternator S1 Ignition switch DME
Engine control unit B1
Battery L1
Battery charge indicator lamp
BSD
Bit-serial data interface

26. Special features belt drive Disassembling cylinder head cover
Practice:
Special features belt drive
Disassembling cylinder head cover

27. adjustment
VANOS

28. resetting
VANOS

30. Timing diagram Normal position Intake VANOS Exhaust VANOS
Maximum adjustment
Exhaust VANOS

32. Retard setting intake VANOS, max. valve lift
Advance setting intake VANOS, max. valve lift
Intake VANOS adjusted variably valve lift adjusted variably

33. Mixture at the valve gap
Cause:
Effect:
Very high input speed at a marginal valve gap
Very good homogen mixture

34. Mixture at the valve gap
VALVETRONIC
Standard Engine
Fuel mist
large fuel drops

35. ... Additional principle advantage
Valvetronic
... Additional principle advantage
spontaneous / agility
robust performance
smooth running
excellent cold start performance

36. Cylinder head, cylinder bank 1-4

37. Function of the torsion spring

38. Disassembling Valvetronic and Cylinder head
Practice:
Disassembling Valvetronic and Cylinder head

42. Practice:
Removal oil pan

44. Öl pressure regulation

45. Filling capacity with oil filter 8 l
Filling capacity between MIN/MAX mark on dipstick
1,5 l
Minimum oil pressure at 20 °C
1,5 – 2,0 bar
Maximum oil pressure at 20 °C
4,0 – 6,0 bar
Oil delivery capacity at maximum engine speed (6500 rpm) and 150 °C
60 – 65 l/min

51. Injection system / Fuel tank ventilation system
Practice:
Injection system / Fuel tank ventilation system

52. Block Diagram ME 9.2

53. Sensor element Oxygen Sensor

55. Block Diagram Valvetronic

56. Function of the Eccentric Shaft Sensor

57. Practice:
Diagnosis N62-Engine