91
1. Clean the rocker covers and the area around them.
2. Remove the rocker covers.
3. In order to rotate the flywheel, use a turning tool
compatible with the installation of the engine, i.e.
whether access is from above or from underneath.
Use any specified special tool or the equivalent from
another supplier.
4. Start adjusting one cylinder according to the table.
Rotate the flywheel until the correct engraving can be
read on the flywheel. It may be necessary to rotate it
more than 1 revolution.
Rotate the flywheel in the rotational direction of the
engine, which is clockwise viewed from the front of
the engine and anticlockwise viewed from the back
of the engine.
During a valve transition, the exhaust valve (the long
arm) is closing at the same time as the intake valve
is opening.
The UP TDC engraving on the flywheel is now visible
in the window furthest up on the flywheel. The DOWN
TDC engraving is visible in the lower window.
5. Read the table on the previous page to see which
valve to adjust.
6. Stick the feeler gauge under the pressure pad of the
rocker arm and check the valve clearance.
7. If necessary, adjust the valve clearance by
a) loosening the lock nut on the end of the rocker
arm
b) adjusting the valve clearance with the adjusting
screw
c) tightening the lock nut.
8. Mark the rocker arm with the felt-tip pen and then
continue with the next cylinder according to the table.
S08
MAINTENANCE
Legend:
1. Adjusting screw
2. Lock nut
3. Rocker arm
4. Valve bridge
5. Feeler gauge
Summary of Contents for N16.1000 CR3
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Page 34: ...34 S05 COMPONENTS ENGINE VIEWS N16 CR3...
Page 35: ...35 NOTES...
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