Komatsu 114E-3 Series - General Assembly of Engine

SEN00464-01 50 Disassembly and assembly
2 114E-3 Series
Disassembly and assembly 1
General assembly of engine 1
a The following assembly procedures are for
SAA6D114E-3. The shapes, quantities, loca-
tions, etc. of the parts depend on each applica-
ble machine. Take care.
a When reusing a part, be sure to install it to its
original position.
1. Preparation work
1) Install tool B.
3 Mounting bolts on engine side
2) Install the cylinder block to repair stand A.
4 Cylinder block: 245 kg
2. Cylinder liner
a Before inserting the cylinder liner, clean it,
remove all deposits and broken pieces
from sealing faces (A), (B), and (C), and
polish those faces until the machined sur-
faces appear. (Take care not to scrub too
much.)
q Apply clean engine oil (EO15W-40) to
faces (A) and (B).
a When reusing a cylinder liner, insert it in
the cylinder where it was, turning it 45°
from the original position. (Move the pitted
surface of the cylinder liner from the posi-
tion where it has been pitted.)
1) Apply engine oil (EO15W-40) to the O-ring
sealing portion of cylinder liner (1).
a Apply a little amount of oil just before
inserting the cylinder liner.
2) Fit O-ring (3) to cylinder liner (1).
a When fitting the O-ring, check that it
is not twisted.
Position of bolt Size of bolt Tightening torque
aM8
24 ± 4 Nm
{2.5 ± 0.4 kgm}
b, c M10
43 ± 6 Nm
{4.4 ± 0.6 kgm}