High. The advantage of multi-blade is the higher torque conversion rate, but in terms of energy conversion rate, the efficiency of 4-blade and 5-blade fans is lower than that of 3-blade fans, but it does not there is no particular impact. the feasibility of power generation by multi-blade breeze is high. Feasibility, in the narrow sense, means that the existing resources and conditions of the enterprise guarantee the execution of the production operation plan.
1. Apply some lubricant to the electric fan and the problem will be solved. First, unplug the power plug of the electric fan, then place the fan upside down on the floor and use a large Phillips screwdriver to unscrew the screws on the back of the fan, as shown in the picture below. -below.
2. Use a wrench or needle-nose pliers to unscrew the nut behind the fan blade and remove the fan blade.tilator, as shown in the image below.
3. Unscrew the four motor screws attached to the fan frame and remove the motor, as shown in the figure below.
4. After removing the motor, there is a small cover behind it. Use a small flat-blade screwdriver to gently remove it, as shown in the image below.
5. Once the small cover is removed, there is a ring-shaped sponge inside. Then pour oil on the clothes cart as shown in the picture below.
6. Then fix the motor with your left hand and rotate the motor rotor back and forth with your right hand to remove the stuck rust and dust, then use a paper towel to absorb; rust-containing oil, then add a few drops to the machine oil as shown below.
7. After filling with oil, gently close the small cap blaunch, as shown in the image below.
8. Place the motor in the fan bracket. The side with the stem faces upwards. Place a little clothing and car oil on it. Likewise, rotate the rotor back and forth with the handle to remove rust and dust. Then use a paper towel to absorb the iron rust oil, then add clean clothes and car oil as shown in the picture below.
9. Once finished. Secure the motor and tighten the screws, as shown in the picture below.
10. After repairing the engine. Next, install the fan blades as shown in the image below.
11. Next, install the back cover and tighten the screws, as shown in the image below.