DIESEL ENGINE
05
SERIES
WSM,
01640
1
00000F10030
(3)
-
B
I
OOOOOfl0050
Cylinder Head Flaw
1,
Prepare an air spray red check (Code No. 07909-31 371).
2. Clean the surface of the cylinder head with detergent (2).
3. Spray the cylinder head surface with the red permeative liquid
4. Wash away the red permeative liquid
on
the cylinder head
5.
Spray the cylinder head surface with white developer (3).
6.
If flawed, It can be identified as red marks.
(1)
Red
Permeative
Liquid
(2)
Detergent
(1).
Leave
it
five to ten minutes after spraying.
surface with the detergent
(2).
(3)
White Developer
00000s10020
Valve Recessing,
1.
Clean the cylinder head, the valve face and seat.
2.
Insert the valve into the valve guide,
3. Measure the valve recessing with a depth gauge.
4. If the measurement exceeds the allowable limit, replace the
valve.
If it still exceeds the allowable limit after replacing the valve,
correct the valve seat face of the cylinder head with a valve seat
cutter (Code
No.
07909-331 02) or valve seat grinder.
Then, correct the cylinder head surface with a surface grinder, or
replace the cylinder head.
OOOOOS10031
Clearance between Valve Stem and Valve Guide
1.
Remove carbon from the valve guide section.
2. Measure the valve stem
O.D.
with an outside micrometer.
3. Measure the valve guide
I.D.
of
the cylinder head at the most
wear part as shown in the figure below with a small hole gauge.
And
calculate the clearance.
4.
If the clearance exceeds the allowable limit, replace the valves.
If it still exceeds the allowable limit, replace the valve guide.
OOOOOS10042
S-I
07
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