How do you balance a squirrel cage fan?
How do you balance a squirrel cage fan?
How do you balance a blower? Give it a good hand spin, release and patiently watch where the blower stops and mark the bottom with a marker. Do it three times. If it comes back to the same spot each time (especially if it goes past and then comes back before settling) you are likely out of balance.
What causes a noisy furnace?
But if you hear a loud humming or buzzing sound coming from your furnace, it usually means your furnace has an electrical problem. The most common electrical issues that cause a humming or buzzing sound include: A failing blower motor capacitor. An aging or unlubricated blower motor.
Why does my furnace shake?
Your furnace blower pulls in cold air for your system to heat, then blows warm air back into your house. It’s most likely that the cause of vibration is an unsecured blower fan or motor. Sometimes, the blower motor can shake itself loose from the mounts that hold it in place, creating a loud vibrating sound as it runs.
What would cause my house to shake?
Vibration may be caused by nearby traffic or subways, building mechanical systems, or simply normal human activity, such as walking across the floor. This vibration does not jeopardize the building’s structural integrity. Consequently, there is less live loading in the building and less damping.
How do you clean a squirrel cage blower fan?
Rinse the squirrel cage outdoors with forceful water from a garden hose. Set the squirrel cage in direct sunlight–away from dusty areas–until dry to the touch. Slide the cleaned and dried squirrel cage over the motor shaft. Tighten the retaining bolt with the adjustable wrench. Push the trim cover against the opening for the squirrel cage.
Why does my squirrel cage blower keep squeaking?
Due to some reasons, such as duration of use and rusting, the squirrel cage blower may not effectively perform its function. This is often manifested as a squeaking sound heard when the unit is turned on. In this case, there is a need to replace the squirrel cage blower.
Can a mechanic clean out a squirrel cage?
There are probably leaves and twigs in the squirrel cage and/or blower motor. A mechanic can clean out the blower motor and squirrel cage for a nominal fee. I’ve never tried doing it myself because I am afraid of setting off the passenger airbag.
How does a squirrel cage air handler work?
Here in a series of photos we illustrate the basic steps in disassembling and thoroughly cleaning the squirrel cage fan blower assembly as well as the compartment into which the blower fan is placed. In a typical up-flow air handler return air enters the bottom of the air handler through an air filter.
Where is the squirrel cage blower fan located?
A squirrel cage blower fan located in the unit bottom rotates to move returning air up through the heat exchanger (that will be hot if the furnace is in heating mode) then further upwards through an evaporator/cooling coil (that will be chilled by refrigerant if the system is in air conditioning or cooling mode).
How is the round squirrel cage fan cleaned?
To clean these dirty parts the service tech took them outside to a work area where they could be sprayed clean and dried. First the motor and the control board are cleaned, then the round squirrel cage fan itself as well as the fan housing are cleaned thoroughly, then brought back inside for re-assembly.
What makes the shaft of a squirrel blower?
If you look close where the shaft and the squirrel cage or blower connect there is a thick piece of metal. Rotate the blower and look for a hole there. It’s usually a set screw or grub screw holding the blower to the shaft.
Here in a series of photos we illustrate the basic steps in disassembling and thoroughly cleaning the squirrel cage fan blower assembly as well as the compartment into which the blower fan is placed. In a typical up-flow air handler return air enters the bottom of the air handler through an air filter.
