Trade data-driven portfolio management

The Trade data-driven portfolio managementengine foot is the connecting part between the engine and the chassis, which plays the role of connection, support and shock absorption. After a period of use, the foot may be damaged or failed due to aging or vibration and other factors, resulting in abnormal noise, jitter and other problems when the engine is working. At this time, the engine foot needs to be replaced. So, how to replace the engine foot? I. Preparation 1. Determine the type and specifications of the replacement foot: the foot of different models is different, and the corresponding foot needs to be selected according to the car model. Two. Check the tools and materials required for replacement: The tools and materials required for replacing the engine legs include car jacks, calipers, wrenches, screwdrivers, rubber pads, nuts, etc.You need to check whether it is fully equipped in advance. 3. Parking vehicle: Before replacing the foot of the machine, make sure that the vehicle is completely stable, step on the handbrake, maintain the car, and do not replace it on the slope or unstable ground. II. Replace the engine foot 1. Install the car jack: Use the car jack to lift the vehicle higher than the ground to facilitate the replacement of the foot. Two. Remove the nut of the foot: First of all, you need to remove the nut on the foot and make sure that the screw will not slide and loosen. It is not recommended to step on the foot of the machine, because it will cause deformation of the foot of the machine. 3. Remove the old foot: Use a wrench to take out the old foot and shake it first. If it feels stuck, you can pat it slightly and remove it after loosening it. Four. Install a new foot: Install a new foot at the position of the original base, and make sure that the size and shape of the foot are the same as the original foot. At the same time, pay attention to the direction of the foot and the arrow pointing when installing.5. Installation nut: Install the nut on the foot, and tighten it according to a certain torque. The tighter the degree, the better to avoid loosening, leakage and other situations. 6. Put down the vehicle: After the replacement, you need to put down the vehicle and check whether the new machine foot is fixed. III. Precautions 1. When replacing the foot, you need to follow certain specifications, otherwise it will lead to looseness, instability and even falling off of the foot. Two. Pay attention to safety when replacing the foot of the machine, and do not operate under the slight shaking of the vehicle to avoid danger. 3. Before replacing the machine feet, it is necessary to clean up garbage such as oil and impurities to ensure the cleanliness of the machine parts. Four. During the operation process, you need to pay attention to the cleanliness of the threaded part of the machine foot, otherwise it may cause the failure of the nut to slide. In a word, replacing the engine foot needs to be especially careful, comply with the standard specifications, and ensure its service life and safety.Car owners without relevant professional skills and experience should go to a 4S store or professional auto repair personnel for replacement to avoid potential safety hazards.

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