Doosan Basic Engine

DX225LCA DX22 5LCA / DX300LCA DX300LCA

 April, 2012 Product Support, AP/E Doosan Infracore CE

DB58TIS DB58T IS Eng Engin ine e

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DB58TIS DB58T IS Eng Engin ine e

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DB58TIS Engine

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DB58TIS Engine

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DB58TIS Engine

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DE08TIS Engine

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DE08TIS Engine

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DE08TIS Engine

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DE08TIS Engine

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DE08TIS Engine

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DE08TIS Engine

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DE08TIS Engine

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E/G Model & Machine Model

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E/G Suffix & Spec •

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E/G Assembly

•

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Engine Model and Serial Number (DB58 Series)

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Engine Model and Serial Number (D, DE Series)

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Cylinder No

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Valve Clearance Adjust

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Timing mark positi on

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Injection Timing Adjustment (DE1146, DE08 Series)

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Lubrication System (DB58 Series)

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Lubrication System (DE12 Series)

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Oil Spray Nozzle (DE12 Series)

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Oil level check & Change

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Fuel Syst em (DB58 Series)

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Mechanical Fuel Injection System (2)

1.Injector : Injection f uel to cylind er by mechanical cont rol and one or two t ime injection fuel.

1. Injector 

2. Plunger : Make high pr essure fuel to d eliver fuel 3. Timer : djust fuel injection timing. 3. Timer 

4. Balance weight

4. Balance weight : Determine in jection fuel vo lume by engine RPM .

2. lun er 

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Fuel Syst em (DB58 Series)

DB58TIS FIP 28

Fuel Syst em (DB58 Series)

DB58TIS FIP 29

Fuel Syst em (DB58 Series)

Engine Thrott le Cable 30

Fuel Syst em (DB58 Series)

Engine Thrott le Cable 31

Fuel Syst em (DB58 Series)

Engine Stop Motor DX225LCA 32

Fuel Syst em (DB58 Series)

Engine Stop Cable 33

Fuel Syst em (DB58 Series)

Engine Stop Cable 34

Fuel Syst em (DB58 Series)

Engine Stop Cable 35

Fuel System (DE12 Series)

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Fuel Filter 

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Fuel Filter 

DX225LCA

S180W-V

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Cooling System

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Radiator & Cap

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Cooling System

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Radiator Cap

•

•

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 Antifreeze

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Fan Belt Tension

•

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Cylinder head bolt torque (Kg-m)

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Cylinder head bolt torque (DB58 Series)

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Cyl’ Head Bolt loosen & Tighten Order (DB58 Series)

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•

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Cylinder head bolt torque (DE12 Series)

•

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Engine DB58 Series Cyl’ Liner & Piston Grade Mark

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Engine DB58 Series Cyl’ Liner & Piston Grade Mark Parts

Cyl

Mark position

Mark Means

,

Liner - 1A, 1B - 2A, 2B

- Liner Outer Dia • A,B - Liner Inner Dia

Piston

- A, B

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Cylinder Liner Type -> Dry Type

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Cylinder Head Parts

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Valve Stem Seal ass’y

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Piston Ring Gap

•

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Cyl’ Head Bolt Tighten (D1146, DE08 Series)

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Fly wheel

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Fly wheel

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Engine part (Cyl’ Head & Blo ck)

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Engine Parts (Crank shat, Piston & Valve parts)

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Engine Oil Cooler & Water pump, Cooling Fan

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Intake & Exhaust Pipe & Turbo Charger 

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Fuel System parts

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Trouble shooting •

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•

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•

•

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Trouble shooting •

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combustion

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