fj
Checking Distortion of Cylinder Head Surface
1)
)
Clea n the su rface of the cyl
i
nder head.
2)
Pu t a straigh t edge on the fou r sides and d iagonal
l i
nes
of the cy
l i
nder head to check the straigh tness of the su r-
face, as shown at the left.
3)
I
nsert a feeler gauge between the straight edge and the
cyl
i
nder head su rf ace.
4)
The maxi mu m th ick ness
i
nserted is the amou nt of distor-
tion .
5)
If the measu rement exceeds the al lowa ble
l i
m
i
t, correct
wi th a su rface gri nder.
(A) How to check cylinder head surface
C 01 9 F01 3
( Note)
•
Do not place a straight edge on the combustion cha mber.
50
KiSC issued 09, 2007 A
@
Checking Flaw of Cylinder Head Surface
1)
)
Clean the su rface of the cyl
i
nder head.
2)
Spray the cyl
i
nder head su rface wi th the red permeati ve
l
iqu id.
3)
Wash away the red permeati ve
l
iqu id on the cyl
i
nder head
su rface wi th the detergent.
4)
Spray the cyl
i
nder head su rface wi th the developer.
I
f
flawi n
it can be identified as red marks.
Should be no
C 019 F014
(Al Air spray red check
(1)
) Detergent
(2)
R ed permeative liquid
(3)
White developer
C
019 F012
Reference value
llowable limit
0.05
mm
(0.0020
in.) /
100
mm
(3.9370 in.)
of c
linder head surface len
th.
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