Doosan AD158TI, Руководство по эксплуатации и техническому обслуживанию

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General information - 48 -
4.7. Electric System
4.7.1. Warning lamp check
Check the lamps of the gauge panel carefully whether the lamp is switch on or not while the engine is run-
ning. If the oil warning lamp is switched on below 0.5 bar of the oil pressure and the water temp warning lamp
is switched off over 95°C of water temperature, their function is normal.
4.7.2. Battery charging check
Always check whether battery capacity is sufficient or not before sailing far away from harbor.
4.7.3. Engine wiring check
Check the engine wiring is loosened, shorted or worn every 600 hours.
4.8. Valve Clearance
The valve clearances are to be adjusted at the times of the following situations.
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After initial 50 hours operation.
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When the engine is overhauled and the cylinder heads are disassembled.
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When severe noise comes from valve train.
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When the engine is not normally operated, even though there is no trouble in the fuel system.
The valve clearance of the cold engine are as follows ;
- Intake valves : 0.25 ±0.05 mm
- Exhaust valves : 0.35 ±0.05 mm
4.8.1. When the engine is not used long time
In case of the engine is not used long time, preserve the engine from corrosion, faulty matters in order to run
the engine operation easy and keep it long maintenance.
Especially the main external and internal components of the engine are likely to corrode as follows.
●
Drain the coolant of the engine completely and refill the new flesh water in the engine and run it until the
water line is cleaned quite.
After draining the coolant refill the anti-freeze 35 ~ 40% with the fresh water again.
●
Run the engine until engine coolant is up to normal temperature 71 ~ 85°C and then stop the engine.
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Change the oil and oil filter cartridge new one after running the engine for 10 ~ 15 minutes in order to
drain the faulty matters in the oil pan as clearly as possible.
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Close the valve or cock of the fuel tank and clean the fuel filter and water separator.
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Run the engine about 5 minutes in order to circulate the new fuel through the all lines fully.
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Clean the air filter element and If worn severely change it new one.