CHRYSLER SERVICE MANUAL
ENGINE—169
ROD)
55x162
Fig.
49—Internal Identification
(Parts Other Than Standard Size)
bering pad (Fig. 48) indicates that engine is
equipped with a crankshaft which has one or
more connecting rods and main bearing jour-
nals finished .001 inch undersize. The position
of the undersize journal or journals will be
stamped on machined surface of Number 3
counter-weight (Fig. 49). Connecting rod jour-
nals will be identified by letter "R" and main
bearing journals by the letter "M". Thus, "M-l"
indicates that number 1 main bearing journal
is .001 inch undersize. Also, a diamond-shaped
marking stamped on engine numbering pad
indicates that all tappet bodies are .008 inch
oversize. (See Figure 48).
30.
CHECKING CONNECTING ROD
ALIGNMENT
47x139
Fig.
51—Checking Connecting
Rod for
Bind
or
Twist
piston in fixture (connecting rod bearing re-
moved), as shown in Figure 50, A.
The top of piston should be flush with tool.
If clearance is more than .002 inch, piston and
connecting rod should be disassembled and rod
checked, as shown in Figure 51. Straighten a
bent rod or install a new one.
Check for Twist—With connecting rod and
piston assembly, installed in fixture Tool
C-841,
tilt the piston (B, Fig. 50). If clearance is
more than .002 inch, piston and connecting rod
should be disassembled and rod checked as
shown in Figure 51.
31.
INSTALLING CONNECTING ROD
BEARINGS
Check for Bend—Install connecting rod and Fit connecting rods to crankshaft (Fig. 52)
BENDING
FIXTURE
— SET
SCREW
AHEM
TO INSE
FEELER
STOCK A
THESE
POINTS
TWISTING
FIXTURE
SET SCREW
B
51X962
51x745/5*
Fig.
50—Checking Connecting
Rod and
Piston
for
Alignment
Fig.
52—Checking Connecting
Rod
Bearing Clearance
(Typical)
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