WEICHAI 1000KW Diesel generator sets_Shandong Xujiujiu Power Technology Co., Ltd.

Reasons and solution of generator

 Time of issue: : 2021-12--07

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 Mode	Power		Engine				Dimensions	Weight
Gensets Mode	Rated Power	Standby Power	Engines Model	Power	*BoreStroke**	ylinder No.	Dimensions	Weight
XSAW10GF	10/12.5	11/13.5	WP2,1D18E2	18	85*92	4	19509601300	601
XSAW12GF	12-15	13.2/16.5	WP2.1D18E2	18	85*93	4	19509601300	604
XSAW16GF	16/20	17.6/22	wP2.3D25E200	22	90*100	4	19509601300	690
XSAW20GF	20/25	22/27.5	WP2.3D33E200	33	102*118	4	220010501400	890
XSAW20GF	20/25	22/27.5	D226B-3D	30	105*120	3	23009601490	1090
XSAW24GF	24/30	26.4/33	WP2.3D33E200	33	102*118	4	220010501400	896
XSAW24GF	24/30	26.4/33	D226B-3D	30	105*120	3	23009601490	1120
XSAW30GF	30/37.5	33/41	WP2.3D40E200	38	105*125	4	220010501400	950
XSAW30GF	30/37.5	33/41	TD2268-3D	45	105*120	3	23009601490	1150
XSAW40GF	40/50	44/55	WP4.1D66E200	50	105*118	4	235010501410	1012
XSAW40GF	40/50	44/55	WP4D66E200	60	105*130	4	260010501630	1435
XSAW50GF	50/62.5	55/68.5	WP4.1D66E200	61	108*118	4	235010501410	1082
XSAW50GF	50/62.5	55/68.5	WP4D66E200	60	105*130	4	260010501630	1485
XSAWB4GF	64/80	70.4/88	WP4.1D80E200	90	105*130	4	280010501630	1620
XSAW80GF	80/100	88/110	WP4.1D100E200	90	105*130	4	280010501630	1655
XSAW90GF	90/112.5	99/123.5	WP6D132E200	120	105*130	6	320011001783	2050
XSAW100GF	100/125	110/137.5	wP6D132E200	120	105*132	8	320011001783	2100
XSAW120GF	120/150	132/165	WPBD152E200	138	105*130	8	320011001783	2140
XSAW150GF	150/187.5	165/206	WP10D200E200	182	128*130	6	390013202148	2482
XSAW180GF	180/225	198/247.5	WP100238E200	216	126*130	6	390013202148	2652
XSAW200GF	200/250	220/275	wP10D264E200	240	126*130	6	390013202148	2672
XSAW250GF	250/312.5	275/344	WP12D320E200	288	126*155	6	440013102217	2800
XSAW300GF	300 /375	330/412.5	wP12D337E20	337	126*155	6	440013102217	2800
XSAW300GF	300/375	330/412.5	WP13D385E200	350	127*165	6	430013002400	3000
XSAW320GF	320/400	352/440	wP13D385E200	350	127*165	6	430013002400	3000
XSAW360GF	360/450	396/495	6M26D447E200	406	150*150	6	500017502725	6217
XSAW400F	400/500	440/550	6M26D484E200	440	150*150	6	500017502725	6320
XSAW460GF	460/575	506/632.5	6M33D572E200	520	150*185	6	510017502849	6700
XSAW500GF	500/625	550/687.5	WHM6160MD628-5	550	150*185	6	510017502849	6750
XSAW500GF	500/625	550/687.5	6M33D605E200	550	150*185	6	605824383151	7800
XSAW600GF	600/750	660/825	12M26D748E200	680	150*150	12	605824383151	10300
XSAW640GF	640/800	704 /880	12M26D792E200	720	150*150	12	605824383151	10300
XSAW720GF	720/900	792/990	12M26D902E200	820	150*150	12	605824383151	10500
XSAW800GF	8o0 /1000	880/1100	12M26D968E200	880	150*150	12	605824383151	10660
XSAW900GF	900/1125	990/1237.5	12M33D1108E200	1007	150*185	12	605824383151	11200
XSAW1000GF	1000/1250	1100/1375	12M33D1210E200	1100	150*185	12	605824383151	11500

Products

Gas Generator Set

Diesel Generator Set

Marine Generator Set

Silent Generator Set

Water Pump Unit

Mobile Trailer

WEICHAI 1000KW Diesel generator sets

Related Products

Notice Of Gneset Used In Plateau

Reasons and solution of generator

Causes of Diesel Engine Smoke and Elimination Methods