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The following is the general installation method for the King Long Bus 28V generator: • Preparation Work: Ensure the vehicle is in a safe state, parked on a flat, open, and stable surface. Turn off the engine and disconnect the negative battery cable to prevent dangers such as electric shock or short circuit during the installation process. Prepare the required tools, such as wrenches and screwdrivers of various specifications.Removing the old generator: Locate the installation position of the generator near the engine, which is generally on the side or below the front end of the engine. Use a wrench to loosen the belt tensioner to remove the belt connected to the generator. Next, disconnect the wires connected to the generator, and remember the connection position and method of each wire for correct reinstallation later. Finally, use appropriate tools to remove the bolts and nuts that fix the generator, and take the old generator off the vehicle.  •  Cleaning the installation position: Use cleaning tools to carefully remove dust, oil stains, debris, and rust from the installation position to ensure the installation surface is clean and flat. This provides a good foundation for the installation of the new generator, ensuring it can be installed firmly with good contact.Installing the new generator: Carefully place the new 28V generator in the original installation position, align it with the mounting holes, then preliminarily secure it with bolts. Do not fully tighten the bolts to allow for subsequent position adjustments.  •  Connecting the wires: According to the wire connection positions and methods remembered earlier, accurately connect the wires to the corresponding interfaces of the new generator. Ensure the connections are firm and free from looseness to avoid affecting the normal operation of the generator due to poor contact.Installing the belt: Put the belt on the pulley of the generator, and adjust the tensioner to give the belt appropriate tension. Excessive belt tension may cause premature wear of the belt and increase the load on the generator bearings; insufficient belt tension may cause the belt to slip, affecting the power generation efficiency of the generator.Install the belt: Put the belt on the generator's pulley, and adjust the tensioner to give the belt appropriate tension. Excessive belt tension may cause premature wear of the belt and increase the load on the generator bearings; insufficient belt tension may cause the belt to slip, affecting the generator's power generation efficiency.  •  Inspection and fastening: Carefully check whether the generator is installed in the correct position, whether the belt tension is appropriate, and whether the wire connections are firm. After confirming everything is correct, tighten the bolts that fix the generator to the specified torque.  •  Restore power and test: Reconnect the negative cable of the battery, start the engine, observe whether the generator is running normally, and at the same time, check whether the generator is charging the battery through the vehicle's voltmeter or related instruments to ensure that the generator is installed successfully and can work normally.

The following are the precautions for installing the King Long Bus 28V generator:Precautions before installation •  Model and configuration check: Ensure that the selected generator model matches the vehicle, and its power and performance parameters meet the electricity demand of the entire vehicle. Especially in the idle state, it should meet the electricity requirements of the air conditioner and main electrical appliances to prevent the situation of "a small horse pulling a big cart", so as to avoid overheating and damage to the generator.  •  Component inspection: Carefully check whether the appearance of the generator is damaged, such as whether the shell has cracks or deformation. At the same time, check whether the internal components are normal, ensure that the generator rotates flexibly, and all oil pipes and air pipes are unobstructed.  •  Tool and site preparation: Prepare complete and appropriate tools, such as wrenches and screwdrivers of various specifications. Park the vehicle on a flat, stable and open ground to ensure sufficient operating space.Precautions during installation •  Installation position and firmness: Install the generator correctly in the designated position. The mounting bolts must match the generator's mounting holes and be tightened to ensure the generator is securely and reliably installed, preventing it from loosening or even falling off due to vibrations during vehicle operation. At the same time, ensure that the pulley groove and the driving wheel groove are in the same plane.  •  Belt installation and tension adjustment: When installing the belt, ensure it is properly seated and has appropriate tightness. Generally, apply a force of 150N (15 kgf) by hand at the midpoint of the distance between the two wheels; it is appropriate to press the belt down by 10-20mm, or ensure that the belt runs without obvious vibration under load. A newly replaced belt must be re-tightened after running for 5 minutes.Circuit Connection: Strictly follow the markings on the generator's terminals for wiring. Do not connect the terminals incorrectly, as this may cause damage to the vehicle's wiring harness and the generator's electrical components. For example, "B+" is connected to the battery and other loads (including battery-powered motors), and "E" is the negative grounding terminal. When connecting wires, select wires of appropriate specifications. Considering factors such as temperature and wire length, it is recommended that the current passing through each square millimeter of the wire does not exceed 5A. At the same time, ensure that the connections are secure: nuts (bolts) and terminal lugs must be tightened to avoid electric sparks caused by looseness, which may affect the normal operation of the generator or even pose safety hazards.Avoid interference and damage: The generator should be installed in a location away from the heat source of the engine, with a distance of not less than 40CM or an effective heat shield should be added to prevent overheating from affecting the performance and service life of the generator. For vehicles with rear-mounted engines, try to avoid installing the generator in the area where mud is splashed by the rear wheels (within the parabolic range), or use fenders for protection. At the same time, try to avoid installing the generator in a low position of the vehicle or near the tires to prevent external splashes from entering the interior of the generator and causing damage. In addition, the minimum distance between the generator and other parts on the vehicle is 10mm to avoid collision with other parts during operation. For a generator with a pump, ensure that the air pipes and oil pipes connected to the vacuum pump are unobstructed and have no sharp bends.Precautions after Installation •  Circuit Recheck: Carefully inspect all wiring again to ensure it is correct, secure, and free from looseness, damage, short circuits, or other issues.  •  Insulation Check: Check the insulation condition of the generator to ensure there is no short circuit between the positive pole of the generator and the housing. If there are components such as insulation pads or sleeves, ensure they are intact; if damaged, they must be replaced.  •  Test Run: Connect the negative cable of the battery, start the engine, and observe whether the generator is running normally. At the same time, use the vehicle's voltmeter or related instruments to check if the generator is charging the battery and if the charging indicator light turns off after the engine starts. If there is any abnormality, stop the machine immediately for inspection and troubleshooting.

References：The content of my notes on the installation precautions for King Long Bus 28V generators mainly refers to the following sources of information: •  King Long Training Generator Maintenance Manual: Relevant manual content is available on Originality Document and Renren Library. The manual details that during generator installation, attention should be paid to reasonable configuration, ensuring that it can meet the power consumption of the vehicle's commonly used electrical appliances at idle speed; the installation should be firm, and the belt tension should be appropriate; it should be kept away from heat sources and splashing mud, maintaining a certain distance from other parts; the wire specifications should be reasonably selected according to the current size, and the wiring should be correct and firm. These points have provided me with key technical specifications and operational requirements.  •  Automotive repair-related websites and forums: Professional automotive websites such as Autohome and PCauto contain a lot of general knowledge and precautions regarding automotive generator installation, such as ensuring firm connections and avoiding short circuits when connecting wires, and conducting tests after installation. Although this content is not specifically aimed at the King Long Bus 28V generator, some of the basic principles and operational specifications are universal. I have combined them with the characteristics of King Long Bus generators to make the precautions more comprehensive.