A diesel generator is an independent power generation device that provides emergency power during a power outage. In fact, most of the time the unit is in standby standby state, the actual use of the opportunity is relatively small, usually more test machine, lack of more sophisticated detection and maintenance methods. But this emergency backup power supply is indispensable. How to make the generator use less when it is used normally, it can supply power in time in emergency, the operation is safe and reliable, and it can stop immediately after the power failure. Then it is very important for the maintenance of diesel generators. This article introduces some simple methods to achieve the goal.
The diesel engine generally includes: a body, a crank linkage mechanism, a gas distribution mechanism, a fuel system, a lubrication system, a cooling system, and an electrical system.
1. The body: is the skeleton of the diesel engine, which supports and installs other components, including: cylinder block, cylinder liner, cylinder head, cylinder head gasket, oil pan, flywheel shell, timing gear shell, front and rear feet.
2. Crank and link mechanism: It is the main moving part of diesel engine. It can convert the energy generated by fuel combustion into mechanical energy through piston, piston pin, connecting rod, crankshaft and flywheel. Including crankshaft, connecting rod, piston, piston pin, piston pin retaining spring, piston pin bushing, piston ring, main bearing bush, connecting rod, thrust bearing, crankshaft front and rear oil seal, flywheel, shock absorber and so on.
3. Valve distribution mechanism: It is time to open and close the intake and exhaust valves. Including timing gears, camshafts, abutments, ejector pins, rocker arms, valves, valve springs, valve seat rings, valve guides, valve lock blocks, intake and exhaust pipes, air filters, superchargers, etc.
4. Fuel supply system: According to the needs of the diesel engine, the diesel fuel is supplied to the combustion chamber in a timely and quantitative manner. Including diesel tanks, oil pipelines, diesel filters, fuel injection pumps, fuel injectors, etc.
5. Lubrication system: It supplies lubricating oil to all sports friction pairs, including oil pump, oil filter, pressure regulating valve, pipeline, instrument, oil cooler and so on.
6. Cooling system: It is to dissipate the heat generated by the diesel engine to the atmosphere. Including water tanks, pumps, fans, water pipes, thermostats, water filters, fan belts, water temperature meters, etc.
7. Electrical: It is an auxiliary equipment for starting, lighting, monitoring and operation. Including generators, starter motors, batteries, relays, switches, wiring, etc.
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