G80XW/XF, G115XW/XF, G150XW/XF, G200XW/XF - 50HZ
OPERATION & MAINTENANCE MANUAL
80
G100XW/XF, G135 XW/XF, G170XW/XF, G225XW/XF - 60Hz
REPLACEMENT OF ENGINE OIL
Check the oil level using the oil level gauge and replenish
it if required. Replace the engine oil in the following steps
when the engine is warm after running.
1. Pull out the oil level gauge.
2. Open the drain plug of the oil pan to drain the engine
oil from the container.
3. After draining the engine oil, replace the drain plug of
the oil pan.
4. Fill the engine oil into the cartridge of the oil filter.
5. Fill the engine oil through the oil filler cap.
6. Run the engine at idle speed for several minutes so
the oil can circulate through the lubrication system.
7. Stop the engine and wait for approximately 10
minutes. Check the oil level and fill the oil if required.
DANGER
Prolonged and repeated contact of skin with engine
oil may lead to shrinking, dryness of skin and even
cause dermatitis.
Do not expose skin with exchanged engine oil for a
long period.
Always wear work clothes and gloves.
When skin is stained with engine oil, immediately
wash it with water, soap or hand cleaners.
Do not clean skin with gasoline, fuel, thinner, or
solvent.
Apply a skin protective cream after cleaning from oil.
Do not put oil-stained gloves or cloth in pockets.
WARNING
Discard exchanged oil according to the regulations
set forth by the relevant authorities. Disposing of
discharged oil into the ground, sewers, drains,
rivers, or the sea will cause serious environmental
pollution. Violation of regulations regarding discard
of engine oil without observing the handling
regulations, will be punished.
REPLACEMENT OF ENGINE FILTER
Check the oil pressure and leakage, and replace the oil
filter if required. Whenever replacing the oil, the oil filter
cartridge should also be replaced.
1. Using an oil filter wrench, loosen the cartridge by
turning it counterclockwise.
2. Wipe the oil filter head and cartridge contact
thoroughly, and make sure that the oil filter cartridge
is positioned properly.
3. Apply a small amount of oil to the O-ring area of the
cartridge. Screw the cartridge on until the O-ring
surface makes contact, and turn it 3/4 to 1 turn using
a wrench until sealed.
CAUTION
When replacing the oil filter cartridge, be sure to use
the genuine Doosan part.
FUEL SYSTEM
GENERAL INFORMATION
The fuel injection pump and nozzle are composed of very
sophisticated components with high precision. If fuel is
mixed with foreign substance, it may block the nozzle or
the fuel injection pump components may become seized.
Ensure the fuel system is clean at all times.
CAUTION
Use clean, certified and qualified fuel only. Using
irregular or unspecified fuel may cause critical
damage and faults to the engine.
Replenish fuel while the engine is stopped.
DV2213017A