Swamp Cooler Belt Tension

Roughly speaking there should be about one inch of play in the tension of your fan belt.

Swamp cooler belt tension.

Most motors on swamp coolers have an automatic reset thermal overload. Check the motor s fan belt tension. It should not be too tight or too loose. Will too much belt tension on a swamp cooler cause the motor to burn out.

This belt can become loose if it becomes worn and stretches out over time or if the motor slips in its sliding mount. When pressed it should move about one half inch. There are a number of factors that can interfere with the transfer of air from the outside into the swamp cooler. A common problem is the fan belt that runs from the fan motor to the fan blade axle.

So while your cooler will run you ll have to. Lightly oil the bearing on the blower assembly and the motor if it has an oil receptacle. Install new cooler pads. Step 3 check shaft bearings.