Figure 57
Any deformation detected on the whole length of the
cylinder head must not exceed 0.20 mm.
In case higher value is detected, grind the cylinder head in
order to obtain the prescribed value. Refer to the main
specifications reported here following and follow the
instructions accompanying the figures below.
Cylinder head base surface check
119591
A rated thickness of the cylinder head is 90 ± 0,1 mm.
Figure 58
VALVES
INTAKE AND E XHAUST VALVE MAIN DATA
119569
INTAKE
VALVE
EXHAUST
VALVE
18625
Figure 59
Eliminate c arbon deposits from the valves using the specially
provided metal brush.
Check the valves for meshing, cracks or burns.
If necessary, grind the valve seats removing as less material as
possible.
Valve scaling, checking and grinding
18882
Figure 60
Using a micrometer (2) measure the valve stem (1): the
prescribed value is 7,985 to 8,000 mm.
SECTION 4 - MECHANICAL OVERHAUL
27
F32 SERIES
Pri nt P2D32F005 E Base - April 2009
To Next Page
Loading...
