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AC installation inspection steps for used generator sales
1. The coupling between the alternator and the diesel generator requires that the parallelism and concentricity of the coupling are less than 0.05 mm. In actual use, the requirements may be slightly lower, about 0.1mm or less. If the bearing is too large, it will affect the normal operation of the bearing, resulting in damage. The coupling should be fixed by the positioning pin. Retest the coupling before installation.
2. When the generator of the sliding bearing is coupled, the generator rental manufacturer introduces that the height of the generator center should be adjusted slightly to the center of the diesel engine, so that the weight of the flywheel on the diesel engine will not be transferred to the generator bearing, otherwise power generation The machine bearing will additionally bear the weight of the flywheel, which is not conducive to the formation of the oil film of the sliding bearing, resulting in heat generation and even burning the bearing. The coupling of this type of generator cannot carry any heavy objects.
3. When the generator is rented and installed, it is necessary to ensure that the cooling air inlet is unobstructed, and it is necessary to avoid the hot air discharged into the generator. If there are louvers on the venting cover, the window should face down to meet the protection level.
4. Generator rental manufacturers introduce the mechanical coupling of single-bearing generators. Pay special attention to the uniform air gap between the stator and rotor.
5. According to the schematic diagram or wiring diagram, select the appropriate power cable, use copper joints to connect, copper joints and busbars, after the busbars and busbars are fastened, the local clearance at the joints is not more than 0.05mm, the distance between the conductors Not more than 10mm, you need to install the necessary grounding wire.
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Booking Rules
After you correctly fill in the detailed and true information on the page of your selected machine, our salesperson will call you to check the information. The information is correct. You can pay 3% deposit of the machine purchase price through online banking or other means. After the financial confirmation, you can lock the generator set you selected and prohibit on-site sales. You and the salesperson agree to come to the site to check the machine and pay the full amount for the machine.