.
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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