Mar-15-2020 10:45 AM
Mar-17-2020 03:48 PM
chast wrote:
Five year old Dometic rooftop air has required service by Dometic each year since installed. Seems to need a new control unit each time. Anyway, thought I’d do a little PM like blowing out the fins, etc. I mentioned that I was going to oil the motor shaft and was told by a self-proclaimed expert that I should not do this? What say you?
Mar-17-2020 03:30 PM
Mar-15-2020 12:31 PM
wolfe10 wrote:jkwilson wrote:
Sealed bearings are sealed, so oiling accomplishes little. Oil is the wrong lubricant for a bearing in any case, so once the seal fails the motor’s days are numbered unless you remove the seal and grease the bearing regularly.
Let's make sure we are talking about the "care and feeding" of the same type of bearing/bushing fan motors.
I am not aware of any RV roof A/C's with sealed bearings. All I have worked on have sleeved bushings.
Agree, one with sealed bearings would be an upgrade and would be treated entirely differently. A link to one for an RV roof A/C would be appreciated.
Mar-15-2020 11:27 AM
jkwilson wrote:
Sealed bearings are sealed, so oiling accomplishes little. Oil is the wrong lubricant for a bearing in any case, so once the seal fails the motor’s days are numbered unless you remove the seal and grease the bearing regularly.
Mar-15-2020 11:16 AM
Mar-15-2020 11:14 AM
Mar-15-2020 11:06 AM
Mar-15-2020 10:55 AM
Mar-15-2020 10:50 AM