Isuzu Diesel Engine Assy 4JG1 for Sale-manufacture,factory,supplier from China

The fuel injection pump is a core component of the engine, making daily maintenance critical. When the fuel injection pump malfunctions, how should it be repaired? In the following, I will explain common fault cases and troubleshooting methods for excavator fuel injection pumps.Fault 1: Diesel mixing with engine oil. This issue is typically caused by wear of the injection pump, manifested by an increase in oil volume with a strong diesel odor.

Check whether the diesel pump pump body oil leakage: check whether the diesel pump seals (gaskets, oil seals, etc.) is damaged or aging, if there is damage or aging need to replace the relevant parts in a timely manner.Check whether the parts of the diesel pump are worn: open the diesel pump, carefully check the surface of the pump parts with or without obvious wear, if there is wear parts need to be replaced in a timely manner and to ensure that the installation is correct.Replace the diesel pump seals: disassemble the diesel fuel, open the pump body, find the aging hardened seals and replace

When operating excavators, one of the most common issues faced is abnormal increase in diesel consumption or burning oil. This not only raises equipment operating costs but also leads to equipment wear and failure. To address this issue, it is crucial to identify the root causes of increased fuel consumption or burning oil.Excessive Wear of Components: The wear of the piston, piston ring, and cylinder liner can cause oil to escape into the combustion chamber, leading to a sharp increase in oil consumption.

Injector troubleshooting methods1. Few or no oil injected by the injector.2. Injector injection pressure is too low.3. Injector injection pressure is too high4. Leakage of fuel injector injectors5. Poor atomization of fuel injector injection6, Injector injection into the line7, Injector needle valve surface burned or blue-black color. Note: (diesel engine overheating) check the cooling system, and pay attention to the replacement of coupling parts.

Engine Spare Parts：Cylinder block /Cylinder head/Fuel pump /Injection pump /Water Pump/Oil pump/Priming pump/Turbocharger /Alternator/Air compressor/Controller/SensorBelt/Injector/Wiring harness/Crankshaft/Camshaft/Thermostat/Starting motor/Piston /Piston ring/Piston pin/Liner/Connecting rod/Main metal/Connecting rod metal/Thrust metal/Flywheel housing/Fan/Gasket kit /Hydraulic spare partsHydraulic pump/Cylinder block+ plate valve/Retainer shoe/Cradle assy/Shaft/Solenoid valve/Gear pump/Fan pump/Fan motor/Swing motor/Boom/Boom cylinder/Arm /Arm cylinder/Piston sub/Guide retainer/Spring/Relief

Automotive injector failure can occur due to various reasons that impact the performance and reliability of the vehicle. Some common causes of automotive injector failure include the use of unqualified or contaminated oil, damage to the sensor coil, wear of the internal structure of the injector, failure of the electronic control module, leakage from the injector or clogging of the nozzle, improper fuel pressure (either too high or too low), and loose or damaged connections to the injector.When faced with automotive injector failure, it is crucial to address the issue promptly.

Injector spray atomization and the shape of the oil beam on the engine work has a great impact, if the oil cambium shape is reasonable, atomization effect is good, then the engine will get a good cold start, smooth idling, less emissions effect.

When it comes to Japanese imported machines, the Komatsu excavator stands out for its exceptional performance and durability, winning the hearts of machine enthusiasts in the Chinese market. However, regardless of the series, after thousands of hours of operation in various construction environments, Komatsu excavators encounter the challenge of adjusting the hydraulic pump.

Professional knowledge and skills, efficient communication, quality serviceJining Huida Construction Machinery specializes in engineering machinery engine components, hydraulic components, and other accessories, covering dozens of international brands, providing various specifications and models of components to meet the needs of different brands and models of engineering machineryOur company is committed to long-term and good cooperation with customers.

The quality of fuel injectors is heavily influenced by the materials used in their construction, which directly affect their durability, performance, and cost. Here are the key material differences found in fuel injectors of varying qualities:1. Housing and Body MaterialHigh-Quality Injectors: Typically made from stainless steel or high-strength alloys.