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Fluid Coupling Noise?

Fluid Coupling Noise?

Fluid Coupling Noise?

(OP)
Do fluid couplings ever howl like an air horn when they slip.  I've got 2 x 400HP motor/gearbox units driving a conveyor and recently when it gets at about 60% rated load something starts howling in the area of the couplings.  Not sure if it a slipping drive roller, coupling, or something else.  Everything is fairly new.  Any suggestions on what to look for?

RE: Fluid Coupling Noise?

Fluid Couplings do not usually howl. They throw off an awful lot of air when they are going at full speed, this air movement through a guard could be the source of the noise.

Also do you mean 60% speed or 60% load. If you mean load then I would examine any belts and bearings in the area.

If the equipment is fairly new as you say then contact the manufacturer.

CK

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