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.
RECONDITIONING
PROCEDURE
All parts
should be thoroughly
cleaned
inspected
for wear
or damage.
--dirty
parts
cannot
be
accurately
gauged or properly
There
are many commercial
cleaners
available
that quickly
remove
grease,
oil and grime
accumulation
from
engine parts.
If such a cleaner
is used,
make sure that all
trace
of the cleaner
is removed
before
the engine
is reassembled
and placed
in operation.
Even small
amounts
of these cleaners
quickly break down the lubricating
properties
of engine oils.
CYLINDER
BLOCK
1.
-
INSPECTION
A.
Gasket Surfaces
- Check all surfaces
to make sure that they are free
of gasket fragments.
Surtaces
must also be free
of deep scratches
or nicks.
'
B.
ES~~$n~s -
Whenever
an engine
is completely
disassembled
for overhaul,
it is good practice
ce main and connecting
rod bearings
regardless
of condition
of old bearings.
Ser-
vice bearings
are available
in standard
size plus
.002'*,
.
OlO*',
.
020i1, and
030" oversize
.
sets.
Select
bearings
according
to the accompanying
chart.
SERVICE
BEARING
MAIN
BEARING
CRANKPIN
SET
JOURNAL
DIA.
DIAMETER
Standard
'1.998
- 1.999"
1.340
- 1.341"
.002"
1.996
- 1.997"
1.338
- 1.339"
010"
:
020"
1.988
- 1.989"
1.330 - 1.331"
1.978
- 1.979"
1.320 - 1.321"
.030"
1.968 - 1.969"
1.310
- 1.311"
Runhing Clearance
.OOl-
.0035**
.0004
-
.0025"
Refer
to Parts
Manual for bearing
number.
Front and center
main bearings
ari
the same--
rear
main is not interchangeable
with the others.
C.
Bushings (Camshaft)
- Check bushings
for signs of scuffing,
See Charance
SectIon for wear limits.
scoring
and excessive
wear.
Precision
type bushings,
which do not require
line
reaming,
are available
if .replacement
is necessary.
.
.
VALVE GUIDE
.
.
FIGURE 9-8 --
CROSS SECTIONAL VIEW - CYLINDER BORE
96
l
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