Engine
SHOP MANUAL
Ch 1 page 9
1. Drain and flush the cooling system. Top up with
preservative coolant.
2. Warm up the engine on regular fuel. Stop the engine and
drain the oil.
3. Renew the fuel filter.
4. Fill the engine with preservative oil up to the minimum level
on the dipstick.
5. Mix preservative fuel in a can. Detach the fuel pipe at the
feed pump suction line and connect a hose from the can.
6. Detach the fuel pipe at the overflow valve and connect a
return hose to the can.
7. Start the engine and run it at about 1,000 rpm for 20-25
minutes.
8. Stop the engine, remove the hoses and connect the
normal fuel pipes.
9. Remove the rocker covers and lubricate the valve
mechanisms with plenty of preservative oil. Refit the rocker
covers.
10. Drain the preservative oil from the engine. Fill with new
engine oil immediately or when the engine is to be reused. (For
fluid type and specifications, refer to the DOOSAN Operating &
Maintenance Manual Chapter 6)
11. Drain the coolant if the engine is not to be stored with
coolant in the system. Plug and tape all coolant
connections if the engine is to be stored without a cooling
system.
12. Air cleaner: clean or renew the filter element.
13. Cover air intakes and exhaust pipes.
14. Alternator and starter motor: Spray with water-repellent
anticorrosive oil.
15. Spray the outside of bright engine parts, first with
penetrating preservative oil such as Dinitrol 25B and then
with Dinitrol 112 or the equivalent.
Clearly mark the engine with the storage preparation date, and
state that the engine must not be started or cranked.
Preparations for Storage
Use a container to avoid spills when draining the oil and coolant. Dispose
of used uids through an authorized waste disposal contractor.
NOTE
Do not remove the injectors.
NOTE
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