Fuel Injector Assembly Injection Nozzle Couple

Fuel Injector Assembly Injection Nozzle Couple

3 year ago

68 0

Jinan Guohua Green Power Equipment Co.,Ltd.

 4 year year

Product details

The main reasons for the fuel injection nozzle jamming.

1 Diesel fuel is not clean, impurities in the high-pressure oil pipe, so that the needle valve coupling is not closed tightly, the combustion chamber in the high-pressure gas rebound, burned needle valve coupling. In addition, the injector regulator spring, tappet and other parts of the dirt through the injector tappet moved to the upper part of the injector needle valve, or oil road used to prevent oil leakage of cotton rope, lead wire through the high-pressure oil pipe into the injector, will make the needle valve coupling jammed.

2 The machine temperature is too high injector cooling is poor, resulting in the oil valve coupling stuck.

3 The oil valve wear, so that when the injector stops spraying oil drip phenomenon, so that the injector nozzle burning coke accumulation, the occurrence of jammed failure.

4 Injector installation, omission of gaskets or gasket damage, resulting in air leakage, causing the injector local temperature is too high and stuck.

5 The injection pressure is too low, resulting in the combustion chamber of high-pressure gas backflow.

6 Parts manufacturing reasons, such as cylinder head injector mounting holes and injectors with too tight, needle valve body and cylinder head mounting hole clearance is too small, cylinder head injector mounting hole processing too deep.

Injection nozzle stuck repair method.

First, the stuck injector into the diesel or oil warming, and then remove the cloth wrapped, and then clamp the needle valve with hand pliers and slowly move, the needle valve from the needle valve body out. A small amount of clean oil drops in the body of the needle valve, so that the needle valve in the body of the needle valve repeated activities, until the needle valve can move freely in the body of the needle valve. If the sealing surface of the needle valve has traces of burns, it should be ground with abrasive paste. When grinding, pay attention to grasp the amount of grinding paste and grinding time. The cleaned bell valve coupling will be installed on the injector, and adjust the injection pressure can be used again.

190 Series Parts

Spare parts for 12V190
No.	Part Name	Part Number	Qty
1	CYLINDER BLOCK ASSEMBLY		1
			1
3	CYLINDER HEAD ASSEMBLY	127.03.00	12
4	OIL SUMP ASSEMBLY	12VB.04.00B	1
5	PISTON AND CONNECTING ROD ASSEMBLY	127.05.00	12
6	CAMSHAFT AND GEAR TRAIN ASSEMBLY	127.06.00	1
7	TORSIONAL VIBRATION DAMPER ASSEMBLY	12VB.07.00	1
8	INTAKE LINE ASSEMBLY	127.08.00B	1
9	EXHAUST LINE ASSEMBLY	127.09.00A	1
11	NATURAL GAS PIPELINE	127.14.00	1
12	MEGNETO TRANSMISSION ASSEMBLY	127.15.00	1
13	OIL PUMP ASSEMBLY	12V.17.00C	1
14	OIL FILTER ASSEMBLY	12VB.18.00B	1
15	CENTRIFUGAL FILTER ASSEMBLY	12VB.19.00	1
16	LUBRICATING PIPING	127.20.00	1
17	OIL COOLER ASSEMBLY	12VB.21.00	1
18	WATER PUMP ASSEMBLY	12VB.22.00B	2
19	Cooling line system	127.24.00	1
20	INTER-COOLER ASSEMBLY	12V.27.00	1
21	HAND PRIMING OIL PUMP ASSEMBLY	12V.29.00	1
25	OVERSPEED SAFETY DEVICE	12VB.37J2.00	1
26	SPECIAL TOOLS	127.42.00	3
27	COUPLING ASSEMBLY	163.44.00	1
29	ELECTRIC STARTING SYSTEM	127.46D.00	1
30	OIL PUMP BRACKET ASSEMBLY	12VB.48.00	1
31	CARBURETTER ASSEMBLY	127.86.00	2
32	NATURAL GAS PRESSURE REGALATING VALVE	127.87.00	1
33	GOVERNOR CONNECTION ASSEMBLY	127.89.00	1
35	Electromagnetic valve	127.91.00	1
36	TURBOCHARGER ASSEMBLY	127.20GJ.00EB	2

Application

1645422092 1

Jinan Guohua Green Power Equipment Co.,Ltd(JNGH),is a high-tech sales &service company of Jinan Diesel Engine Co., Ltd. Established in 2010,JNGH has formed a complete system in sales and after-sales of 190 series engine(jichai brand:6L190,8V190,12V190.16V190) after 12 years experience.

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Jinan Guohua Green Power Equipment Co.,Ltd.

 Audited supplier

4 year

Address: Jinan, China

Main Product: Generator Set, Gas Generator , Diesel Generator, Marine Diesel Engine, Drilling Rig Engine, Coal Generator

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