Mazda LF Spezifikationen Seite 27

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Seitenansicht 26
MECHANICAL
01–10–13
01–10
5. Calculate the valve stem to guide clearance by
subtracting the outer diameter of the valve stem
from the inner diameter of the corresponding
valve guide.
If it exceeds the specification, replace the
valve and/or the valve guide.
Valve stem to guide clearance (Standard)
IN: 0.024—0.069 mm {0.0009—0.0027 in}
EX: 0.029—0.074 mm {0.0012—0.0029 in}
Valve stem to guide clearance (Maximum)
0.10 mm {0.004 in}
6. Measure the protrusion height (dimension A) of
each valve guide without lower valve spring seat.
If not within the specified, replace the valve
guide.
Valve guide protrusion height (standard)
12.2—12.8 mm {0.481—0.503 in}
End Of Sie
VALVE GUIDE REPLACEMENT
E5U011012111E02
Valve Guide Removal
1. Remove the valve guide from the combustion
chamber side using the SST.
Valve Guide Installation
1. Assemble the SSTs so that depth L is as
specified.
Valve guide protrusion height (standard)
12.2—12.8 mm {0.481—0.503 in}
VALVE STEM
VALVE GUIDE
CLEARANCE
ADA2224E027
A
VALVE GUIDE
CYLINDER HEAD
C3U0110E004
VALVE GUIDE
49 B012 015
C3U0110E005
L
49 L012 004A
49 L012 003A
49 L012 002A
B3E0110E071
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