37
N62 Engine
Tensioning Rail Bearing Pin
The bearing pin for the cylinder bank 1-4 drive
chain tensioning rail is hollowed. There is a ball
(check) valve in the bearing pin. The valve
opens at an oil pressure of 1 bar and allows
engine oil to flow to the tensioning rail via a port
(1).
Chain Tensioner (cylinder bank 5-8)
An oil jet has been fitted to lubricate the cylinder bank
5-8 drive chain. There is a valve in the oil jet which
opens at a pressure of 1 bar and supplies the drive
chain with engine oil.
NNoottee::
Refer to the Repair Instructions when using the
Special Tools shown below to adjust the camshaft tim-
ing.
42-02-53
42-02-54
Tensioning Rail Bearing Pin
1. Engine Oil Port to Tensioning Rail
2. Ball (check) Valve
3. Bearing Pin
4. Sealing Rings for Sealing the Tensioning Rail
Chain Tensioner
1. Chain Tensioner
2. Tensioning Rail
3. Oil Jet
42-02-78
42-02-79
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