Oil The Fan Motor

Oil The Fan Motor

PostBy: billw On: Mon Nov 24, 2008 6:20 pm

I woke up this morning to the house at 67. I knew something was wrong so I hustled to the basement to see. The thermal switch on the motor was tripped. I reset the breaker and the motor started up. It was making some noise. I shut it down and put oil in both ports. The motor quieted down and has been running since. I knew the motor needed oil but I assumed the guy that refurbed it added the oil because he did such an exceptional job on everything. We all know what assume means. :oops: The label on the motor said DO NOT OVER OIL so I let it go when I installed it. I should have asked. A simple email would have been all that it took. My carelessness could've cost hundreds of dollars to fix but I got lucky and didn't fry a bearing.

I'm posting this just as a reminder for everyone to follow the manufacturer's maintenance recommendations. Skipping a simple maintenance procedure can cost dearly.
billw
 
Stove/Furnace Make: EFM 520
Stove/Furnace Model: GOODBYE OIL COMPANY

Re: Oil The Fan Motor

PostBy: Pa Dealer On: Mon Nov 24, 2008 7:12 pm

I've seen more stoker/oil burner motors and circulator pump motors burn out from over oiling than from not oiling. When we service a furnace we find alot of over oiled motors. One or two drops in the bearing oil cups is all you need for a year or two. ;)
Pa Dealer
 
Stoker Coal Boiler: EFM 520 DF
Coal Size/Type: Rice
Other Heating: Keystoker
Stove/Furnace Make: EFM DF 520
Stove/Furnace Model: Keystoker

Re: Oil The Fan Motor

PostBy: coal berner On: Mon Nov 24, 2008 7:42 pm

billw wrote:I woke up this morning to the house at 67. I knew something was wrong so I hustled to the basement to see. The thermal switch on the motor was tripped. I reset the breaker and the motor started up. It was making some noise. I shut it down and put oil in both ports. The motor quieted down and has been running since. I knew the motor needed oil but I assumed the guy that refurbed it added the oil because he did such an exceptional job on everything. We all know what assume means. :oops: The label on the motor said DO NOT OVER OIL so I let it go when I installed it. I should have asked. A simple email would have been all that it took. My carelessness could've cost hundreds of dollars to fix but I got lucky and didn't fry a bearing.

I'm posting this just as a reminder for everyone to follow the manufacturer's maintenance recommendations. Skipping a simple maintenance procedure can cost dearly.

The motor's on the refurb units are all new ones AO Smith or Marathon Dayton The motor's that come with the furnaces when they are picked up are taken off and scraped. Then The New in box Motor's are Put on The motor's come right from EFM which are oiled from the factory. The motor's should be oiled with 20 weight oil ever 6 months one or two drops is all that is needed. That is the Manufacturer suggestion .
coal berner
 
Stoker Coal Boiler: 1986 Electric Furnace Man 520 DF
Stove/Furnace Make: Electric Furnace Man
Stove/Furnace Model: DF520

Re: Oil The Fan Motor

PostBy: Mark (PA) On: Mon Nov 24, 2008 7:45 pm

Where exactly do you put the oil on the motor.

I am new to this motor oil thing! heh.

A picture would be most helpful! Do you have to take any cover plates on the motor off or are the "cups" in plain sight (for everyone except me of course!!

Thanks guys.
Mark (PA)
 
Stove/Furnace Make: 1953 EFM SF-520 High Boy
Stove/Furnace Model: Fitzgibbon Boiler

Re: Oil The Fan Motor

PostBy: billw On: Mon Nov 24, 2008 8:23 pm

Mark,
You don't have to remove any covers. On the top, back of the motor there is a small hole, put some oil there. Also on the top front of the motor there is a thermal breaker, (little red button), to the right of it is the second oil hole. There should be an instruction sheet glued to the motor. Mine says add 30 drops per year if continuous duty, every two years if intermittent duty. I'm not sure if you have the same motor or not. Mine's an A.O. Smith. If you need pictures I can get a couple posted later tonight.
billw
 
Stove/Furnace Make: EFM 520
Stove/Furnace Model: GOODBYE OIL COMPANY

Re: Oil The Fan Motor

PostBy: cArNaGe On: Mon Nov 24, 2008 8:30 pm

How hot does your motor run Bill?

Mine is always hot
cArNaGe
 

Re: Oil The Fan Motor

PostBy: billw On: Mon Nov 24, 2008 8:43 pm

John, mine's hot to the touch also but I think that is normal for electric motors. Converting electric energy to mechanical energy generates heat. I wonder if they can use oil less motors for this application? My hot tub motor is much bigger and is oil less. May have something to do with the close approximation to the heat source. Don't know for sure but it would be a nice upgrade.
billw
 
Stove/Furnace Make: EFM 520
Stove/Furnace Model: GOODBYE OIL COMPANY

Re: Oil The Fan Motor

PostBy: stoker-man On: Mon Nov 24, 2008 8:56 pm

Except for the electrical connections, a motor is very easy to change and can be purchased through Grainer for less than $100. It's a 4MA10 A.O. Smith motor. It comes with a dust cover and it MUST be used. The cover is located behind the fan, so you can't see it. Except for the electrical stuff, a motor change should take 10 minutes at most.
stoker-man
 
Hand Fed Coal Boiler: 1981 efm wcb-24 in use 365 days a year
Coal Size/Type: Anthracite/Chestnut
Other Heating: Hearthstone wood stove

Re: Oil The Fan Motor

PostBy: Mark (PA) On: Tue Nov 25, 2008 8:54 am

The motor on my stoker is a marathon.

No instruction sheet and maybe I am just blind but I can't tell where you'd put oil on it.

It is brand new of course. just not AO smith.

Does anyone have a marathon motor out there who can tell me where the oil might go on it?

I have never oiled it myself...

Thanks
Mark (PA)
 
Stove/Furnace Make: 1953 EFM SF-520 High Boy
Stove/Furnace Model: Fitzgibbon Boiler

Re: Oil The Fan Motor

PostBy: stoker-man On: Tue Nov 25, 2008 10:10 am

The stoker motor is warranted for 1 year. If you think it's defective, contact your efm dealer and have it replaced under warranty, if you bought it from an efm dealer. Otherwise, contact Grainger.
stoker-man
 
Hand Fed Coal Boiler: 1981 efm wcb-24 in use 365 days a year
Coal Size/Type: Anthracite/Chestnut
Other Heating: Hearthstone wood stove

Re: Oil The Fan Motor

PostBy: coal berner On: Tue Nov 25, 2008 3:27 pm

Mark (PA) wrote:The motor on my stoker is a marathon.

No instruction sheet and maybe I am just blind but I can't tell where you'd put oil on it.

It is brand new of course. just not AO smith.

Does anyone have a marathon motor out there who can tell me where the oil might go on it?

I have never oiled it myself...

Thanks

There are two little rubber plugs one at 1:00 clock at the top where the motor meets the blower plate the other one is on the front cover at 1:00 clock pull them out and oil 10 drops is all you need Annually on the lable on the motor you will see what type oil to use 5W 30 or 10W some motor's say 20w
coal berner
 
Stoker Coal Boiler: 1986 Electric Furnace Man 520 DF
Stove/Furnace Make: Electric Furnace Man
Stove/Furnace Model: DF520

Re: Oil The Fan Motor

PostBy: Mark (PA) On: Tue Nov 25, 2008 9:06 pm

Thanks as always Jay!

Keeping warm in all this early cold weather we have been having!
Mark (PA)
 
Stove/Furnace Make: 1953 EFM SF-520 High Boy
Stove/Furnace Model: Fitzgibbon Boiler

Re: Oil The Fan Motor

PostBy: rberq On: Tue Nov 25, 2008 9:16 pm

billw wrote:I've seen more stoker/oil burner motors and circulator pump motors burn out from over oiling than from not oiling


Why does too much oil damage the motor? Does it get into places that it shouldn't?
rberq
 
Hand Fed Coal Stove: DS Machine 1300
Coal Size/Type: Nut -- Kimmel/Blaschak/Reading
Other Heating: Oil hot water radiators, propane

Re: Oil The Fan Motor

PostBy: billw On: Tue Nov 25, 2008 10:22 pm

Uhh, that was PADealer, not me. I was wondering the same thing.
billw
 
Stove/Furnace Make: EFM 520
Stove/Furnace Model: GOODBYE OIL COMPANY

Re: Oil The Fan Motor

PostBy: stoker-man On: Tue Nov 25, 2008 10:28 pm

I'm going to guess that it gets onto the rotor and thrown all over the place, or seeps outside of the packing, contaminating the contact points and generally gumming up the works.
stoker-man
 
Hand Fed Coal Boiler: 1981 efm wcb-24 in use 365 days a year
Coal Size/Type: Anthracite/Chestnut
Other Heating: Hearthstone wood stove