In case of failure of the rotary fan, please check it carefully and repair it after determining the cause of the failure. The parts to be replaced shall be purchased according to the model of the original rotary fan.

1、回旋式風機主機的拆解要領

1. Main points of disassembling the main machine of the rotary fan

a、將皮帶罩和皮帶卸下。

a. Remove the belt cover and the belt.

b、將回旋式風機悶蓋一側的端蓋的固定螺栓松開。

B. Loosen the fixing bolts of the end cover on the closed cover side of the rotary fan.

c、用螺栓擰入端蓋上的兩螺紋孔，將端蓋卸下。

c. Screw the two threaded holes on the end cover with bolts and remove the end cover.

d、將V型皮帶輪從軸上卸下。

d. Remove the V-pulley from the shaft.

e、將V型皮帶輪一側端蓋的固定螺栓松開，卸下端蓋。

e. Loosen the fixing bolts of the end cover on one side of the V-belt pulley and remove the end cover.

注：拆解主機時注意不能碰傷零件，拆下的零件要小心安放好。

Note: When disassembling the host, be careful not to damage the parts, and carefully place the removed parts.

回旋式風機的工作過程由:吸氣行程,壓縮行程,排氣行程三部分組成,風機每旋轉一周完成一次吸氣,壓縮,排氣過程,連續(xù)旋轉將不斷重復以上過程,回旋式風機就不斷的排出空氣.因為回旋式風機是通過4個容積不等空間的變化產生風量及壓力,所以回旋式風機又稱變容壓縮鼓風機.構成風機的滑片和轉子、氣缸體相互磨擦，產生熱。所以風機旋轉時，由滴油嘴往氣缸體內滴入必要的潤滑油，使表面潤滑，以減小磨擦熱和磨擦噪音；并使部件之間形成一層油膜，保持風機的密封性。

The working process of the rotary fan consists of three parts: suction stroke, compression stroke and exhaust stroke. The fan completes the suction, compression and exhaust process once every rotation. Continuous rotation will repeat the above process, and the rotary fan will continuously discharge air Because the rotary fan generates air volume and pressure through the change of four different volume spaces, the rotary fan is also called variable volume compression blower The sliding vane, rotor and cylinder block of the fan rub against each other to generate heat. Therefore, when the fan rotates, necessary lubricating oil is dripped into the cylinder body from the oil drip nozzle to lubricate the surface, so as to reduce the friction heat and friction noise; A layer of oil film is formed between the components to maintain the tightness of the fan.

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