General Disassembly Of Engine - Komatsu 114E-3 Series Shop Manual

SEN00463-01
Disassembly and assembly

General disassembly of engine

a The following disassembly procedure is for
SAA6D114E-3. The shapes, quantities, loca-
tions, etc. of the parts depend on each applica-
ble machine. Take care.
1. Preparation work
Before disassembling the engine, check its
parts for cracking, damage, etc. and clean it
generally and carefully for accurate inspection
of its parts and quick disassembly and assem-
bly.
a Before cleaning the engine, carefully seal
or remove the openings, electric parts,
and wiring connectors so that water will
not enter them.
Prepare stable engine stands (Blocks [1])
q
and secure engine assembly (1) on them
so that it will not tip over.
1) Remove main wiring harness (2).
2) Remove plate (3).
Disconnect controller ground wire (4).
q
3) Remove plate (5).
4) Remove the fuel filter.
2
1
2. Installation to engine repair stand
1) Using tool N, sling engine assembly (1)
and install it to repair stand A.
4
2) Install tool B.
3
Position of
bolt
a
b, c
3) Drain the engine coolant and engine oil.
6
50 Disassembly and assembly
Engine assembly: Approx. 800 kg
(Weight depends on each applica-
ble machine)
Mounting bolt on engine side
Size of bolt
M8
{2.5 ± 0.4 kgm}
M10
{4.4 ± 0.6 kgm}
Engine oil: Approx. 24
114E-3 Series
1
Tightening
torque
24 ± 4 Nm
43 ± 6 Nm
l