Following proper guides to maintain diesel engine can help you operate a diesel engine better. Following are some tips for Yuchai YC4108 series diesel engine, including requirements of technical maintenance, maintenance methods, de-aerate the fuel in the fuel pipe, adjusting belt tension, cleaning the inlet screen of the oil pump, cleaning the air cleaner, adding lubricating grease and scrubbing the water deposit off.
It is very important for new engine or an engine just after overhaul to have a 50 — hour break -in. This break — in period can improve performance of friction pair and is essential to ensure the operating dependability and lifespan of diesel engine. If conditions permit, run the engine at speed of 1500r/min and under 25% , 50% and 750/o full load, each load an hour.Get more news about yuchai air cut cylinder,you can vist our website!
(1) Do not accelerate abruptly when the diesel engine just starts
(2) Before running engine, keep the engines idling with no load at low to medium speed for at least 5 minutes.
(3) When engine is running, do not increase load abruptly. Increase load slowly.
(4)Replace the lubricating oil when the engine runs for 50 hours. Replace the oil again after break-in period (50 hours) . Since then, oil can be replaced as required in maintenance procedures that will be mentioned afterward.
1. When the engine runs for 1200 ~ 1500 hours, take apart the sump, disassemble the main bearing shells, thrust plate, connecting rod bearing shells, crankshaft bearing shells and check their wear conditions.
Replace the one that wears out and clean the oil sump at the same time. Then assemble them altogether.
2. If anymore or more is replaced, such as crankshaft, piston, piston ring, cylinder connecting rod, connecting rod bearing shell, main bearing thrust plate, camshaft, camshaft bushing, tappet cylinder block etc. , diesel engine can run properly only after the break-in period Engine cannot run with heavy load and at high speed just after replacement lest the components be destroyed and engine lifespan
3. When engine is used under clean ambient condition, the maintenance period can be observed as detailed in the diagram shown before. But if the ambient condition is harsh and there is heavy dust, reduce the maintenance period of the air cleaner according to specific case.