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TM 10-3930-660-34
3-8.
CRANKSHAFT - REPLACE/REPAIR
(Contd)
h.
Remove capscrews (8) and connecting rod
caps (7).
i.
Measure plastigage to determine what size
connecting rod bearings to install.
j.
Repeat STEPS a through i for the other five
connecting rods.
6. INSTALL CONNECTING ROD BEARINGS (10 AND 11)
AND CAPS (7).
a.
Turn crankshaft until two connecting rod
bearing journals are bottom center.
b.
Put upper bearing half (10) on connecting rod
(9) with tab in the rod groove.
c.
Put lower bearing half (11) in connecting rod
cap (7) with tab in cap groove.
d.
Apply Lubriplate 105 to inside surfaces of
upper and lower bearing halves.
CAUTION
The four digit number stamped on the connecting rod and
the rod cap must match and be facing the oil cooler side of
the engine. Connecting rod and cap are machined as a set
and must be kept that way. Failure to install matched sets
could result in premature engine damage.
e.
Pull piston and connecting rod assembly
against crankshaft journal and install bearing
cap (7) with new capscrews (8). Be sure the
four digit number stamped on the bearing cap
matches
the
number
stamped
on
the
connecting rod and that it is facing towards the
oil cooler end of the engine.
3-65
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