engine should keep idling for 5 minutes with no load
Operating the diesel engine
1．Requirements of using engine
(1)When the diesel engine is cold-started, it should keep idling for 5 minutes with no
load. Even if it is warm-started, the engine must run after the oil pressure is
established.
(2)When the diesel engine is cold-started, it should not run with the throttle
completely open and should not run with full load and at high speed. It should
steadily speed up and run after water temperature rises above 60℃.
(3)New engine or an engine after overhaul needs 50-hour break-in. Screw off the
break-in stop only after this break-in period. Afterwards engine can operate as
normal.
2．Points that always need careful check when engine is running
Check if the lubricating oil pressure is normal. The pressure should be lower than
0.1MPa when the engine is idling and should be within 0.25MPa and 0.6MPa
when the engine is running at high speed.
Check if the coolant temperature is normal. The temperature should be controlled
within 75℃ and 90℃.
Always observe abnormal noises when the engine is running. If there are abnormal
noises, stop the engine and troubleshoot
Pay attention to the sealing of every water passage and the fuel pipe. If there is
leakage, remedy it immediately.
Attention:
1．Do not keep the engine idling for more than 5 minutes, not more than 10 minutes at
its minimum.
2．Do not run the engine if it malfunctions.
3．The exhaust manifold temperature is very high when the diesel engine is operating. Do
not touch the exhaust manifold lest skin be scalded. Do not place inflammables or
explosives near the exhaust manifold in case of accident.
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