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Chapter 2 Basic Engine
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3,4]H3(BXC)E
1 . Cylinder Block
The cylinder block is a thin-skinned, (low-weight), short
skirt type with rationally placed ribs. The side walls are
wave shaped ta maximize ridigity for strength and low
noise.
Cap plug 50mm - -
(camshaft hole)
Cap plug 30mm
1-1 Inspection of parts
Make a visual inspection to check for cracks an engines
that have frozen up, overturned or otherwise been sub•
jected to undue stress. Perform a color check on any por-
tions that appear to be cracked, and replace the cylinder
block if the crack is not repairable.
1-2 Cleaning of oil holes
Clean all oil holes, making sure that none are clogged up
and the blind plugs do not come off.
Colar check kit
Printed in Japan
IIINSHl-ll8009
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Quantity
Penetrant
Oeveloner
2
Cleaner
3
2-1
Cap plug
0
'a,---cap
plug 12mm
(main gallery)
1-3 Color check procedure
(1)
Clean the area to be inspected.
(2) Color check kit
The color check test kit consists of an aerosol cleaner,
penetrant and developer.
(3) Clean the area to be inspected with the cleaner.
Either spray the cleaner on directly and wipe, or wipe
the area with a cloth moistened with cleaner.
( 4) Spray an red penetrant
After cleaning, spray an the red penetrant and allow 5
~10 minutes for penetration. Spray on more red pene•
trant if it dries before it has been able to penetrate.
(5) Spray an developer
Remove any residual penetrant an the surface after
the penetrant has penetrated, and spray an the developer.
If there are any cracks in the surface, red dots or a red
line will appear several minutes after the developer
dries.
Hald the developer 300-400mm away from the area
being inspected when spraying, making sure ta coat
the surface uniformly.
(6) Clean the surface with the cleaner.
NOTE :
Without
fail, read
the instructions
for
the
color
check kit before
use .
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