How to maintain hexagon bolts
Release time:
2023-05-18 14:43
Source:
① When running 12000km each time for secondary maintenance, the engine oil sump should be assembled to check the use of the engine bearing bush. If it is found that the clearance of the individual bearing bush is too large, it should be replaced, and the connecting rod bolts should be replaced at the same time. In normal operation, if the engine is found to run unsmoothly and there is abnormal sound, it should also stop in time to check.
② High strength hexagon bolt should be inspected in each maintenance of the newly replaced connecting rod bolt. Attention should be paid to whether there are cracks or dents in the head, guide part and thread parts of the high strength hexagon bolt, and whether the tooth shape and pitch of the thread are abnormal. If there are abnormalities, it should be resolutely not used.
(3) When assembling the connecting rod cover, the torque wrench should be applied and tightened according to the specified specifications to prevent too much and too little torque.
④ Adopt connecting rod high-strength hexagon bolts produced by fitting factory.
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① When running 12000km each time for secondary maintenance, the engine oil sump should be assembled to check the use of the engine bearing bush. If it is found that the clearance of the individual bearing bush is too large, it should be replaced, and the connecting rod bolts should be replaced at the same time. In normal operation, if the engine is found to run unsmoothly and there is abnormal sound, it should also stop in time to check.
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Bolt as a common connection parts, commonly used in mechanical equipment, cars, trains and building structures, according to different requirements to choose the appropriate type of bolt.
What are the materials of U-bolt
The general production of U-bolt materials are :Q235 steel, 45# steel, 40 boron steel, 20 manganese titanium boron steel. More than 90% of them are Q235 steel as raw material production.
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