DL06K Interim Tire-4 Diesel Engine Maintenance of Major Components
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5.2. Lubrication system
5.2.1. General descriptions and main data
z General descriptions
All the engine oil pumped up from the oil pan by the gear type oil pump is filtrated
through the oil cooler and oil filter, and this filtrated oil is forced through the main oil
gallery in the cylinder block from where it is distributed to lubricate the various sliding
parts, and fuel injection pump in order to ensure normal engine performance.
z Specifications
Item Specifications Item Specifications
Lubricating system
Forced pressure
circulation
Oil filter type Full flow type
Oil pump type Gear type Cartridge by pass
Relief valve opening pressure 9 ~10.5 kg/cm
2
Valve varying pressure 1.9~2.3 kg/cm
2
Oil spray nozzle adjusting Oil pre-filter bypass
Valve varying pressure 2 ~2.4 kg/cm
2
Valve varying pressure 5.3~5.7 kg/cm
2
5.2.2. Oil pump
z Disassembly
1) Disassembly of oil pump drive gear
a. Unscrew the screw and
disassemble the oil relief valve.
b. Unfold the washer for the oil pump drive
gear fixing nut and remove the nut.
c. Disassemble the drive gear.
2) Loosing the fixing nut of the oil
pump lid, and disassemble the lid.
3) The oil pump lid is fixed on the body
by two of the position fixing pins.
4) Disassemble the drive gear and the
passive gear.
EE1OM142
Cover fixing bolt
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