33
N62 Engine
When the solenoid valve switches over, oil pressure is applied to chamber B. This forces
the blades (and hub) in a clockwise direction back to the initial position, again changing the
camshaft timing.
The example below shows the
rre
es
se
ett
procedure together with the pressure progression
based on the VANOS unit for the exhaust camshafts.
During this adjustment chamber A is open (through the solenoid) to allow the oil to drain
back through the cylinder head (internal reservoir).
N
No
otte
es
s::
42-02-44
Hydraulic Actuation - Chamber B
1. Front View of VANOS Unit
5. Engine Oil Pump
2. Side View of VANOS Unit
6. Oil Return (Switched through Solenoid)
3. Camshaft Oil Port (Chamber B)
7. Supplied Oil Pressure (From Engine Oil Pump)
4. Solenoid Valve
Содержание N62B44
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