Question about Zephyr Savona ZSA-M90S Kitchen Hood
I am reasearching the same issue. I was able to remove the fan assembly, and then remove the fan blades and view the area where the shaft comes out of the motor. I applied some motor oil to that location, and the noise reduced about 90%, but did not go away entirely. Sadly, I believe the bearings are wearing out and are now scored, so they will never be perfect. There was no easily visible location to apply grease, but the oil just worked in a little. To remove the fan, remove the filters at the bottom of the unit. Remove the exhaust cover at the top. There are 4 bolts at each corner of the exhaust... remove them (opposte corners first). Support the fan when removing the last two bolts, and lower onto the stove. You may have to snip the wire-ties that hold the wires in a bundle, but that is no big deal. Use a socket to remove the fan bolts, one on each side... they remove easily. Then pull the fan off and you can see the shaft. Apply proper machine oil to that location, and then put the fan on low to allow the oil to get worked in. Putting it back is a chore, becuase the nuts are on sliders and they are difficult to align. Plan on attempting the reinstall about 3 times. Leave about an hour for this project, maybe 2. Good luck!
Posted on Jan 03, 2009
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