5-4-6
INTAKE
and
EXHAUST
VALVES
Remove
carbon and
gum
deposite from the valves, valve seats, intake and exhaust
ports
and valve guides.
Note:
If
the valve face
is
dinted or warped, replace the valves with
new
ones.
Note:
if
there
is
an excessive clearance between the valve guide and valve stem, replace the valve guide with
a
spare. For replacing, pull out the valve guide, using the valve guide puller and
bolts
as shown
in
Fig.
31,
and press-fit a new valve guide into place.
3O
53'
1
Guide
I
A-VALVE FACE ANGLE
Puller
Fig-
31
VALVE
and
VALVE
GUIDE
CLEARANCE
EY
15V
4
5"
EYZOV
I
8-SEAT
ANGLE
I
4
5"
I
C-GUIDE INSIDE
DIA.
6.5
dia.
+
0.022
0
I
INTAKE
D-VALVE
STEM
OUTSIDE DIA
La
MAXIMUM ALLOWABLE
CLEARANCE
BETWEEN
C
&
D
EXHAUST
-0.025
6.5
dia.
-o.040
-0.056
6.5
dia.
-o.078
0.025L
-
0.062L
0.056L
-
0.1OOL
I
L: LOOSE
Fig.
32
-
23
-
To Next Page
Loading...
