Komatsu SAA6D114E-3 - General Disassembly of Engine

SEN00463-01 50 Disassembly and assembly
2 114E-3 Series
Disassembly and assembly 1
General disassembly of engine 1
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.
q Prepare stable engine stands (Blocks [1])
and secure engine assembly (1) on them
so that it will not tip over.
1) Remove main wiring harness (2).
2) Remove plate (3).
q Disconnect controller ground wire (4).
3) Remove plate (5).
4) Remove the fuel filter.
2. Installation to engine repair stand
1) Using tool N, sling engine assembly (1)
and install it to repair stand A.
4 Engine assembly: Approx. 800 kg
(Weight depends on each applica-
ble machine)
2) Install tool B.
3 Mounting bolt on engine side
3) Drain the engine coolant and engine oil.
6 Engine oil: Approx. 24 l
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}