JICHAI 1000KW Gas generator set_Shandong Xujiujiu Power Technology Co., Ltd.

The generator is difficult to start. There are dozens of reasons for generator start failure. The following will introduce the reasons that cause the generator to be unable to start or difficult to start。 White smoke from the exhaust pipe when starting Analysis of causes （1）Problems with the ventilation system,wrong valve clearance, valve seal deterioration, the air filter is seriously blocked, forget to pull the decompression handle back （2）Problems with oil supply system, poor diesel quality, water in diesel tank; air in oil road, low pressure oil road blocked, inlet throttle filter blocked, too dirty filter element, tank cover vent blocked, resulting in insufficient oil supply; oil supply time is early or too late. （3）Problems with engine body: cylinder head crack, cylinder pad is installed or burned at the end, causing water directly into the cylinder, such as cylinder, piston and piston ring gap, serious wear or stuck, engine starting device, such as low starting speed,low temperature or low engine temperature ,especially in winter. 2. Find and troubleshoot Generally, first check whether there is air or blockage in the low-pressure oil circuit, check the fuel delivery pump, and then check the high-pressure oil circuit and fuel injection pump. If there is no problem with the above inspection results, then check the fuel injector, ventilation system, crank and connecting rod mechanism, and engine block in turn. Wait. （1）If it is in winter or the starting temperature is particularly low, you can try to heat water into the water tank, or drain the oil from the oil pan, and then pour it back after heating. （2）If it is difficult to start. First, check whether the air filter, fuel filter, and diesel filter are too dirty, and then check the matching clearances, such as the clearances of cylinders, pistons and piston rings, and valve clearances, and then check the fuel injectors and fuel injection pumps. 3.Black smoke rises from the exhaust pipe when startup When the fuel and air mixture burns incompletely and the diesel fuel in the mixture is too rich, the unburned mixture is discharged as black smoke. analysis of causes Problems with the ventilation system: the air filter is blocked, which reduces the air entering the cylinder, and the mixed gas is thick; the valve gap is incorrect, resulting in insufficient intake and unclean exhaust,insufficient spring force of the valve spring or spring break, causing the valve to lea,There is carbon deposit and ablation between the valve and the valve seat, causing the valve to leak. Problems with the fuel supply system: one or more fuel injectors have serious carbon deposits, and the needle valves of the fuel injectors are stuck, resulting in oil dripping or poor atomization quality,insufficient fuel injection pressure, poor diesel atomization quality, and fuel supply ahead of schedule The angle is wrong,the fuel injection pump sprays too much, the quality of diesel is not good. The crank connecting rod mechanism has problems: if the clearance between the cylinder, the piston and the piston ring is too large or the wear is serious, the cylinder pressure is insufficient, and the combustion is incomplete. Find and troubleshoot The fault can be solved by referring to the above method of finding and excluding white smoke.Special attention should be paid to the cylinder-by-cylinder inspection method. Smokeless exhaust pipe when starting analysis of causes Problems with the oil supply system: the oil road is blocked, the oil transmission pump is not working normally, and the oil injection pump is not working normally. 6.Find and troubleshoot （1）If the diesel engine start speed is normal but not fire, or the exhaust pipe is smoke-free, it is a failure of the engine oil supply system.Generally, first check whether the oil road is blocked, check the specific method of the oil road blockage, see the above. （2）If there is occasional intermittent smoke coming out when starting, it means that some cylinders have diesel oil in, and some do not. In this case, the "cut-off method" can be used, that is, to stop the fuel supply of each cylinder and find out that it is not working. Of the cylinder.

Gensets Model	Power		Engine		Dimensions	Weight
Gensets Model	Rated Power	Standby Power	Engines Model	Power	Dimensions	Weight
XSA400GF-T	400/500	440/550	12V190DT2-2	450	647021102195	12000
XSA400GF-TK	400/500	440/550	12V190DT2-2	450	458620402195	11300
XSA450GF-T1	450/562.5	495/618.75	G12V190ZLDT-2	550	512020402678	12000
XSA500GF-TK	500/625	550/687.5	G12V190ZLT-2	550	456620402780	11800
XSA500GF18-TK	500/625	550/687.5	12V190ZDT-2	600	512020402678	12000
XSA500GF-T1	500/625	550/687.5	G12V190ZLDT1-2	550	512020402777	11800
XSA500GF-TK1	500/625	550/687.5	G12V190ZLDT-2	550	512020402678	12000
XSA700GF-TK	700/875	770/962.5	z12V190B	882	532022002600	13000
XSA700GF-T1	700/875	770/962.5	G12V190ZL	9oo	535023202700	13800
XSA700GF-TK1	700/875	770/962.5	G12V190ZL	9o0	556024002650	14000
XSA1000GF-T	1000/1250	1100/1375	G12V190ZLD10	1100	585024002600	16500
XSA1000GF-TK2	1000/1250	1100/1375	A12V190ZL	1200	592025002530	17800
XSA1200GF9-T2	1200/1500	1320/1650	H16V190ZLT1-2	1300	599825162540	21000
XSA1300GF-T	1300/1625	1430/1787.5	H12V190ZL	1500	621027202750	22500
XSA2000GF-T	2000/2500	2200/2750	H16V190ZL	2400	651030803410	28000

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