Komatsu 114E-3 Series Shop Manual page 315

50 Disassembly and assembly
7) Set the piston and connecting rod.
Set the "FRONT" mark at part (A) of
q
piston (4) up and check that the
counter mark of the connecting rod
cap is at part (B) of connecting rod (2)
at this time.
1] Apply engine oil (EO15W-40) to the
piston pin hole and piston pin.
2] Insert piston pin (6) and install piston
(4) to connecting rod (2).
3] Install snap rings (5) to both sides.
114E-3 Series
8) Install bearings (12) to connecting rod (2)
and connecting rod cap (1).
Check that the back side of the bear-
q
ing is free from foreign matter.
Set projection (E) of the bearing to
q
cuts (F) of the connecting rod and
cap.
9) Set the crankshaft to the bottom dead
center of the cylinder to install the piston
and apply engine oil (EO15W-40) to the
inside of the cylinder.
10) Set the "FRONT" mark of piston (4) on the
front side of the cylinder block and insert
the piston and connecting rod assembly.
a Check the directions of the abutment
joints of the piston rings again.
a When inserting the connecting rod,
take care not to damage the wall of
the cylinder.
a When inserting the connecting rod,
take care not to hit the cooling nozzle
with it.
Using tool E, reduce the piston rings
q
and push in the piston head with a
wood bar, etc.
SEN00464-01
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