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 TM 55-1905-223-24-3
h.
Install two connecting rod guide pins in the bolt holes.
i.
Push the rod away from the crankshaft.
NOTE
Push the rod until the piston rings are outside of the top of the cylinder liner.
j.
Remove the piston and rod group (11).
NOTE
For further information on the piston rings, refer to general support level
maintenance (para. 4-14) for corrective action.
To prevent increased wear, the piston and connecting rod assemblies must be
installed in the same cylinder number from which they were removed. If the piston
was not previously marked, mark the cylinder number on the top of each piston on
the camshaft side as the assembly is removed.
The pistons must have the cylinder numbers stamped on the piston top toward the
camshaft side of the engine.
k.
Place the rod and piston assemblies in a container of engine oil to protect them from damage.
NOTE
The cylinder number is stamped on the rod and the cap. When the rods and the caps
are installed in the engine, the numbers on the rods and the caps must match and be
installed on the same side of the engine.
REPLACEMENT
a. Install the upper bearing shell (2, Figure 3-57) in the connecting rod (1). If used bearing shells are to
be installed, each bearing shell must be installed in its original location.
NOTE
The tang of the bearing shell must be in the slot of the rod. Make sure the oil hole in the
shell is aligned with the oil hole in the connecting rod.
b.
Use clean Lubriplate or its equivalent to lubricate the bearing shell.
c.
Apply a heavy film of clean engine oil to the cylinder liner.
d.
Put the piston and the ring assembly in a container of clean engine oil.
3-106
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