Guidance: Explosion-proof blowers are blowers used in explosion-hazardous applications. In addition to the blower characteristics required by the operating conditions, explosion-proof blowers must also meet explosion-proof requirements. Explosion-proof blowers are blowers used in explosion-hazardous applications. In addition to the blower characteristics required by the operating conditions, explosion-proof blowers must also meet explosion-proof requirements. WE TAKE PLEASURE IN INTRODUCING OURSELVES AS LEADING FIRM BY OFFERING ARMATURE OF Starter Parts . Starter Motor Armature,Starter Armature,Alternator Motor,Electric Motor Armature Ningbo zhongwang auto fittings co.,ltd , https://www.zowoparts.com
The common failures and maintenance methods of explosion-proof blowers are as follows:
A, wind leaves do not move:
The use of fans for a long time, excessive dust deposition, resulting in increased friction coefficient between the rotor and the bearing, the rotor blocked or even stuck, resulting in damage to the coil overheating
Maintenance method:
1. Switch on the power supply and press the blower housing. If there is a slight vibration, it indicates that the coil should have no problem. The reason is that the rotor is stuck.
2. After the power is turned off, open the rear cover of the fan, add a few drops of lubricant to the bushings at both ends of the rotor, and pull the leaf while dripping, until the blade is flexible, and the blower can be eliminated.
3, capacitive fan blades do not move, in addition to because there is no 220v AC input, are generally stuck rotor or start winding damage
4, no response by hand fan, it may be no 220v AC input or coil is damaged
5. Turn on the power and carefully measure the two ends of the power cord with the electric pen. If one end is bright and the other end is not bright, it means that the power input is normal and the fan coil may be damaged. If both ends of the pen are bright or not bright, there is a problem with the power input.
B, fan does not turn, there is a "click" sound
It may be that the capacitor has no capacity or serious leakage. You can remove the original capacitor and try to replace it with a good capacitor. If replaced with a new capacitor, the blower operates normally, indicating that the fault is indeed caused by a damaged capacitor. If you replace the new capacitor, the blower is still not normal, mostly caused by damage to the blower's internal starter coil. Only by replacing the coil can you remove the fault.
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