TM 5-3895-383-24
1.
Check the connecting
rods
and
caps
for
their
identification and location.
2.
Remove rod cap nuts (1) and rod bearing cap (2) from
connecting rod (3). Remove the lower half of bearing
(4) from rod bearing cap (2).
NOTICE
To protect the crankshaft from the threaded potion of
connecting rod bolts (5), cut a shod piece of rubber hose
and install it over both rod bolts (5).
3.
Remove the piston and connecting rod, then remove the
upper half of rod bearing (4).
NOTE:
The following steps are for the installation of the
pistons and connecting rod assemblies.
4.
Put clean oil on piston rings, connecting rod bearings
and cylinder bore.
5.
Position the piston ring end gaps 120 degrees apart and
install Tool (A).
6.
Put the short pieces of hose over the threaded portion of
rod bolts (5) to protect the crankshaft.
7.
With the number one crankshaft throw at bottom center,
carefully install the piston and connecting rod.
NOTICE
Engines which use one piece pistons have the word
"FRONT" stamped on the crown of the piston. Make sure
the word "FRONT" is facing toward the front of the engine
when the piston is installed. The front of the engine is
opposite the flywheel end.
Install the piston and connecting rod groups with the rod
forging part numbers facing to the rear of the engine. The
rear of the engine is the flywheel end.
The two piece pistons are not stamped with the word
"FRONT" since orientation is not necessary.
8.
Taking care to line up the connecting rod and
crankshaft, carefully tap the piston into the cylinder bore
until Tool (A) comes off of the piston.
8-51
