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  • Mar
    24
    Analyzing Cummins engine valves
    Cummins engines comply with ISO3046 standards and use SAE standard flywheel housings. Relying on their reliable stability, efficient starting performance and low emission standards, and with national three guarantees, they have created a world-wide brand in the engine and generator set industry and are deeply trusted by users. . Sino-US joint venture Dongfeng Cummins and Chongqing Cummins generator sets feature small size, light weight, low fuel consumption, high power, reliable operation, and convenient parts supply and maintenance. It adopts electronic speed regulator and has protection functions such as excessive cooling water temperature, low oil pressure, overspeed alarm and automatic parking. [Brief Description] The engine valve mechanism is an important part of the entire valve system. Its function is to ensure that the engine can inhale as much gas mixture or air as possible during the intake stage while the engine is working, and to reliably seal during the engine compression and power stages. Because the valve mechanism withstands the high temperature from engine combustion and is cooled by the intake air,
  • Mar
    24
    Analyze generator set abnormalities, causes and treatment methods
    The valve of the diesel generator set will make abnormal noise, and many customers are at a loss to do anything about it, so that everyone can perform self-inspection of the generator set and find the problem in time. There are various abnormal noises produced when the unit is running, and the valve can be adjusted according to the conditions. When running a diesel generator set, the characteristics and solutions of abnormal valve noise are as follows: Abnormal: The valve leaks and the sound is outside the valve chamber, which is more obvious at high load and low speed. The sound increases with the increase of load; Reason: The valve is reamed When seated, due to improper operation or excessive wear of the inner hole of the valve guide, the valve seat is skewed or the valve clearance is small, resulting in valve ablation, resulting in loose valve closing and air leakage noise. Treatment method: Remove the cylinder head, grind the valve, check the elasticity of the valve spring, and readjust the valve clearance. Abnormality: When the engine is running at idle speed, there is a continuous knocking sound between the tail end of the valve stem and its driving part, which becomes stronger as the rotational speed increases. The sound does not change when the engine temperature changes or the engine fires off. Reasons: 1.
  • Mar
    24
    Explaining Volvo’s power advantages
    Volvo is a manufacturer that only produces inline six-cylinder engines. Its technology in this power range is unique and it is at the forefront in terms of emission indicators and noise treatment.As the agent manufacturer of Volvo generator sets, Jiangsu Haixing Power Technology Co., Ltd. has made great efforts in quality and service to build the best service provider in mainland China.Volvo's many advantages make it unrivaled in the production of generator sets in the mid-power segment.The characteristics of Volvo engine are: 1.For quick and reliable cold starting, the heater is installed in the intake manifold, making it easy to start the engine when the ambient temperature is low.At the same time, the low-resistance supercharger and quick-response fuel injection system enable the engine to have a high load-bearing capacity in a short recovery time; 2.Low operating costs. The use of advanced technology in the engine combustion process greatly reduces fuel consumption and provides users with the lowest operating costs;
  • Mar
    24
    Oil quantity control and cleaning of the fuel injector of the generator set 'Q&A'
    The fuel injector is an important component of the generator set. A device that atomizes oil to adapt it to combustion requirements. This is the function of the fuel injector. However, the control of fuel injection volume and clogging cleaning are problems that many customers are concerned about. Jiangsu Haixing Power will answer them one by one.
  • Mar
    24
    What are the steps to repair the carbon brushes (brushes) of the generator set?
    Companies that use generator sets often find problems with carbon brushes (electric brushes) in their sets, which causes production instability for many customers. They have contacted Jiangsu Haixing Power for its after-sales response many times. Multiple safety reports have continuously reported several large-scale generator set shutdown accidents caused by carbon brush or rotor collector ring failures, causing large economic losses to the company. When a fault occurs during the operation of the carbon brush that introduces and exports current, everyone needs to think carefully about how to identify the type and nature of the fault so as to eliminate the fault as soon as possible and ensure the stable operation of the equipment. In fact, if the carbon brushes of the operating generator set are properly maintained and used, they will not cause problems. Nowadays, it is often reported in the news that large generator sets have shutdown accidents caused by carbon brush or rotor collector ring failures, causing large economic losses to enterprises. How to eliminate faults and ensure stable operation of equipment is a matter of concern to everyone. Haixing summarized the previous experience and provided some information for your reference.
  • Mar
    24
    Correct maintenance of diesel generator fuel injection pump
    The fuel injection pump of the generator set is the main component of the fuel supply system. Its working condition will directly affect the power, economy and reliability of the diesel engine.With the help of existing information and practical experience, Haixing Generator has summarized the following 'Ten Points' for correct maintenance of the fuel injection pump for your reference.Proper maintenance is an important prerequisite to ensure the normal operation of the fuel injection pump and extend its service life.1. It is necessary to properly use and filter diesel fuel to ensure that the diesel fuel entering the fuel injection pump is highly clean.Generally speaking, diesel engines have much higher filtration requirements for diesel than gasoline engines for gasoline. When using, diesel of a grade that meets the requirements must be selected and must undergo at least 48 hours of sedimentation.Strengthen the cleaning and maintenance of the diesel filter, clean or replace the filter element in time; clean the diesel tank in time according to the operating environment conditions, and remove the sludge and moisture at the bottom of the tank. Any impurities in the diesel will damage the fuel injection pump plunger and oil delivery valve. Couplings and transmission components cause severe
  • Mar
    24
    Simple repair method for damaged diesel generator body (casing)
    The casing of the generator set is also the machine body. It is a box made of gray cast iron material. It withstands various internal and external loads and the influence of the external environment during operation. Although the generator set body is very strong, many problems will still occur after long-term use. Therefore, Jiangsu Haixing Power provides several forms of body damage and simple repair methods below. 1. Being cracked by freezing in cold weather. This is the most common damage to diesel engines in winter. Cracks in the body can only be repaired by cold welding in parts that are not stressed. First, drill anti-crack holes at both ends of the crack, then plant a number of iron nails along the crack, and then use several pieces of patching plates perpendicular to the direction of the crack, and use low-carbon steel welding rods to weld firmly along the crack and patching plate. Pay attention to tapping the welding seam lightly with a small hammer while welding, and then correct it with a flame after all welding is completed. 2. The 205 bearing holes at the upper and lower balance shaft ends are worn. This situation must be repaired immediately. When the bearing hole is lightly worn, it can be repaired by enlarging the 205 bearing outer circle.
  • Mar
    24
    Cummins generator set after-sales service reminds customers to pay attention to maintenance details
    In the Cummins generator set repair station, Jiangsu Haixing Power Technology Co., Ltd. found that most problems with the units sent for repair were caused by low oil pressure or lack of coolant circulation. Therefore, Haixing generator set maintenance technicians reminded customers to pay attention Some details are provided to prevent major problems such as cylinder pulls and leaks. 1: Low oil pressure. When the unit is running, low oil pressure will cause poor lubrication of the transmission parts of the unit. If the oil circuit is blocked, cylinder pulling, cylinder holding, excessive bearing clearance, etc. will directly affect the normal operation of the Cummins generator set. use. (1) Cooling system: The oil cooler is clogged; the external gap of the radiator core is blocked. (2) Lubrication system: The oil filter is dirty; the oil suction pipe is blocked; the oil pressure regulator fails. (3) Mechanical adjustment and repair; improper bearing clearance; engine needs overhaul; main bearing or connecting rod bearing damaged. (4) Use and maintenance: The engine is overloaded; the engine oil must be replaced on time, and the engine oil must be replaced on time.
  • Mar
    24
    Generator set noun (Chinese and English)
    Generator set nouns are compared in Chinese and English. You can understand the active power when purchasing a generator set. Active power (kW) refers to the power actually supplied by the generator set to the load. It is provided by the engine of the generator set and is limited by the engine horsepower. Heating and driving motor rotation are accomplished by active power. Active PowerActive power is the real power (kW) supplied by the generator set to the electrical load. Active power creates a load on the generator set's engine and is limited by the horsepower of the en
  • Mar
    24
    How to build a generator room reasonably?
    Since the release of the post 'How to control noise outside the generator room? 'Q&A', companies have gained a general understanding of silenced computer rooms, but there are still customers who have questions about the construction of computer rooms, 'How to select a site? How to build a How to reduce the impact of noise in the ventilation system of the generator room? So Jiangsu Haixing Power Technology explains to you several points to consider when designing a generator room: 1. Concrete foundation When choosing the location of the generator room in the generator room, you must leave at least one meter of air flow space on its four sides. To facilitate maintenance work. The unit can be directly installed on a smooth concrete foundation. The foundation should be 150-2000mm higher than the ground level. The actual height and size should be determined according to the model of the unit. 2. Ventilation system The ventilation system of the machine room directly affects the rated power output and reliable operation of the generator set. Sufficient air intake and exhaust area to avoid short circuit of air intake and exhaust
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