38)
Remove oil seal housing.
Fig. 3-4-4
1
39) Remove crankshaft bearing caps, and take
out crankshaft.
Fig. 3-4-42
3-5. INSPECTION OF ENGINE
COMPONENTS
NOTE:
During and immediately after disassembly,
inspect cylinder block and head for evidence
of water leakage or damage and, after washing
them clean, inspect more closely.
Wash all disassembled parts clean, removing
grease,
slime, carbon and scales, before
inspecting them to determine whether repair
is necessary or not. Be sure to de-scale water
jackets.
Use compressed air to clear internal oil holes
and passages.
Do not disturb set combinations of valves,
bearings and bearing caps, etc. Have the
sets segregated and identified.
Cylinder Head
l
Remove all carbon from combustion cham-
bers.
NOTE:
Do not use any sharp-edged tool to scrape off
the carbon. Be careful not to scuff or nick
metal surfaces when decarboning. This applies
to valves and valve seats, too.
Fig.
3-5
1
l
Check cylinder head for cracks in intake and
exhaust ports, combustion chambers, and
head surface.
3-17
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