ive got a floor heater in my patio that is hooked up to my main water
heater..... the fans are making a lot of noise.. I want to oil the
fans, what type of lubricant should I use? silicon spray or wd40?
the brand is vrv products out of michigan
Neither. Use an oil designed for motors, such as regular 30 weight
non-detergent motor oil. Used to be 3 in 1 was good for that but I don't
know if it still is.
The fans may be noisy for other reasons too. Poor design, something hitting
the blades, etc.
3 in 1 makes an oil in a blue can labeled for fractional HP motors.
Overlubrication will kill a motor in a hurry by holding all the dirt.
Sometimes you can turn a motor with plain bearings 90 or 180 degrees
a belt driven setup and use the part of the bearing that has not yet
worn egg shaped.
One can is only a few Oz, 3 If I recall but consider 1 teaspoon0
My big peave is the small tefc motors that are welded shut.
make certain fans and area around them are clean and no air
obstructions, power it off and check fans for easy turning. fan motor
may need lubed, but dirt buildup obstructing airflow can cause motor
added motor load causes noise.
so can loose hardware
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