Doosan DL06 - Disassembly and Reassembly of Major Components; Engine Disassembly

DL06K Interim Tire-4 Diesel Engine Technical Information
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Condition Causes Remedies
7) Oil Consumption
Excessive
(1) Oil level elevated
● Clearance between cylinder liner &
piston.
Replace
● Wear of piston ring, ring groove Replace piston, piston ring
● Piston ring's damage, stick, wear Replace piston ring
● Piston ring opening's disposition
improper
Correct position
● Piston skirt part damaged or
abnormal wear
Replace piston
● Oil ring's oil return hole clogged Replace piston ring
● Oil ring's contact poor Replace piston ring
(2) Oil level lowered ● Looseness of valve stem & guide Replace in set
● Wear of valve stem seal Replace seal
● Cylinder head gasket’s leak Replace gasket
(3) Oil leak ● Looseness of connection parts Replace gasket, repair
● Various parts' packing poor Replace packing
● Oil seal poor Replace oil seal