DL06K Interim Tire-4 Diesel Engine Disassembly and Reassembly of Major Components
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3.2. Inspection and Measurement on Major Parts
3.2.1. Cylinder block
z Clean the cylinder block thoroughly, and check for any crack or damage.
z If there is any crack or severe damage, replace it and if there is minor one,
correct it.
z Check for any clogging or corrosion in the oil passage and water passage.
z Carry out a leakage test for any crack or air leaking. (Hydraulic test)
z Plug each cylinder block’s water and oil discharge ports, and apply the air
pressure of about 4 kg/cm2 to intake port and soak it in water for about 1 minute
to check if there is any leakage. (Water temperature : 70 °C)
3.2.2. Cylinder head
1) Disassembly
z Disassemble the cylinder assembly,
and put it on the shelf for assembly or
clean lathe.
z Prevent any damage to gasket’s
contact surface of the cylinder head.
z Disassemble the cotter pin, spring,
spring seat pushing valve spring by a
special tool.
Assembly tool item number :
EF.123-065A
z Pull out the intake and exhaust valves.
z The disassembled parts are kept laid in turn.
z Disassemble the valve stem seal.
2) Inspection of cylinder head
a) Check for the cylinder head.
z Remove carbon from the cylinder head lower surface, and then should be careful
not to scratch the surface.
z Check any crack or damage that can not found by naked eyes through the
hydraulic or magnetic particle test.
EJ9OM080
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