LAMBERT POWER Diesel Engine Operation and Maintenance Manual
The engine oil change period is subject to the following conditions.
Normal working conditions( The conditions listed in the above sheet is normal working
conditions, and oil consumption is normal): at environment temperature, use fuel with sulfur
content less than 0.5% (by weight).
Bad working conditions ( high oil consumption)
1) A. In tropical and frigid climate ( temperature is over +30℃ or under-10℃), the oil change period
is 1/2 time of normal working conditions
2) B. Use fuel with sulfur content 0.5~1.%, the oil change period is 1/2 time of normal
working conditions.
3）At above mentioned both bad working conditions, the oil change period is 1/4 time of
normal working conditions.
Please note the oil used in the above sheet is Grade CF-4.
Daily checkup items
After engine stops, check the oil level and coolant level ( include oil coolant), drain off
water in fuel filter, check charging indicator and oil pressure indictor. Check seal surface of
oil, water and air pipe connection to make sure no leaks. Check the fastening parts and
various instruments to ensure they are normal.
5.2 Maintenance for engine stored for long time
5.2.1 Clean up engine
Before sealing, all the rust should be cleared with proper way. The parts to be treated
with repellent such as lube oil pipe, fuel system and turbocharger, should be cleared
thoroughly.
5.2.2 Protective procedure
After engine is heated, drain out the all the oil, clean up oil filter and add anti-rust oil to
oil tank and oil sump. Drain out all the diesel in fuel tank, add mixed fuel with 90% diesel and
10% anti-rust oil to protect the whole fuel system.
If the engine is not filled with cooling emulsion, after draining out cooling water, add
cooling emulsion and anti rust oil.
Before sealing, fill the above mixture and start the engine and run at idle speed for 15~25
minutes.
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