TM 5-3810-300-24&P-3
1.0
SPECIFICATIONS
Specifications, clearances and wear limits are listed
engine parts and still ensure satisfactory performance. It
below. It should be specifically noted that the clearances
should be emphasized that the figures given as "Limits"
apply only when all new parts are used at the point where
must be qualified by the judgment of personnel
the various specifications apply. This also applies to
responsible for installing new parts. These wear limits
references within the text of the manual. The column
are, in general, listed only for the parts more frequently
entitled "Limits" in this chart lists the amount of wear or
replaced in engine overhaul work.
For additional
increase in clearance which can be tolerated in used
information, refer to the text.
TABLE OF SPECIFICATIONS, NEW CLEARANCES AND WEAR LIMITS
These limits also apply to oversize and undersize parts
ENGINE PARTS (Standard Size, New)
MINIMUM
MAXIMUM
LIMITS
Cylinder Block
Block bore:
Diameter (cast iron block) ....................................
4.6260"
4.6270"
Out-of-round .........................................................
.0010"
.0020 "
Taper ....................................................................
.0010"
.0020"
Cylinder liner counterbore:
Diameter ...............................................................
5.0460"
5.0485"
Depth (cast iron block) .........................................
.4770"
.4795"
Main bearing bore:
Inside diameter (vertical axis)...............................
3.8120"
3.8130"
Top surface of block:
Centerline of main bearing bore
to top of block ................................................
16.1840"
16.1890"
16.176" min.
Flatness--transverse (3, 4 and 6 cyl.) ...................
.0030"
Flatness--longitudinal (6 cyl.)................................
.0090"
Depth of counterbores (top surface):
Cylinder head seal strip groove ............................
.0920"
.1070"
Large water holes (between cylinders).................
.1090"
.1200"
Small water holes (at ends) ..................................
.0870"
.0980"
Combination water and oil holes ..........................
.0870"
.0980"
Cylinder Liner
Outside diameter.........................................................
4.6250"
4.6260"
Inside diameter ...........................................................
4.2495 "
4.2511 "
Clearance--liner-to-block:
Cast iron block......................................................
.0000"
.0020"
.0025"
Out-of-round--inside diameter.....................................
.0020"
.0025"
Taper--inside diameter................................................
.0010"
.0020"
Depth of flange BELOW block ....................................
.0450"
.0500"
.0500"
Variation in depth between adjacent liners .................
.0020"
.0020"
Insert thickness ...........................................................
.1795"
.1800"
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