4、Preservation And Storage Of Engine - YANGDONG YD380D Operation & Maintenance Manual

O P E R AT I O N & M A I N T E N A N C E M A N U A L
4、preservation and storage of engine
When the diesel engine is to be stopped for a long time, the following methods
can be taken for sealing and preservation.
1. After stopping the engine, discharge oil, coolant and fuel thoroughly when
they are hot. Clean the oil sump and the filter.
2, Clean the dust and oil on the surface. Apply anti-rust oil onto the parts that
without paint. No oil shall be supplied onto rubber and plastic products.
3, Heat the filtered oil to 110~120℃, until foams disappear totally. Then fill the
dehydrated oil to the oil sump until it reaches the upper scale of the oil gauge and
turn the crank to make the whole lubrication system full of oil.
4, Add some dehydrated oil to the cylinder from the oil injector installation hole
on the cylinder lid and then turn the crank to make the oil adhere onto piston,piston
ring, cylinder cover and air valve sealed surface.
5, The mouths of air inlet and exhaust pipes(muffler) shall be blocked with wood
lid or plastic cloth to avoid immunities enter.
6, Diesel engine shall be placed in dry and clean location with good ventilation.
It shall be covered to avoid dust drop. It is prohibited to pile chemical products near
the diesel engine.
The aforesaid oil sealing method can be used to preserve the machine for 3
months. When exceeding such time limit, re-seal it with oil.
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