Furnace motor oil ports


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Old 01-23-15, 07:05 AM
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Furnace motor oil ports

My furnace motor has two oil ports on both ends and I was going to oil the motor. However, both the yellow cap tips broke off leaving the stems in the holes. I tried to pull them out but they're flush to the surface. Worse part is, I tried to poke one of them with a sharp precision screwdriver and it pushed it in further. Can I push them all the way through since I can't pull them out or is that a bad idea? What are the other ways of pulling them out? Thanks.
 
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Old 01-23-15, 07:47 AM
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I used to use something called an "easy out" for broken bolts. It looks like a reverse drill bit but tapered. That's one possibility.
 
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Old 01-23-15, 08:00 AM
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Thanks for the reply. What about pushing the stems in, will that work or is that a bad idea? Thanks.
 
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Old 01-23-15, 09:12 AM
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If the stems get looser as they get pushed in you should be ok. The oil should get around them into bearing. Most lubricate-able bearings have like a cotton or fiber pad that soaks up and holds the oil.
 
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Old 01-23-15, 09:14 AM
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Bad idea. The oil ports are small brass tubes that direct the oil drops to the wool pads at the shaft bushings. If you push the cap in it will plug it forever. Try the easy out mentioned or just drill through the plastic--as long as the oil can get past.
 
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Old 01-23-15, 10:00 AM
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A local HVAC guy told me that if I push them in they will eventually melt into the bearings/bushings and possibly seize the motor. Based on what you said, it seems that the stems won't fall into the bearings if I push it in, it will just stay stuck? What if I epoxy a metallic stick to the tip of that stem and when cured, pull it out?
 
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Old 01-23-15, 10:03 AM
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Mike.... it's a 50/50 shot. No one can say for sure what the correct method is.
 
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Old 01-23-15, 10:09 AM
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Ok, thanks for the time guys.
 
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Old 01-23-15, 05:22 PM
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Mike, if you have a good sharp drill bit & a fairly slow drill, you can drill out the plastic plugs. Just be careful not to get too deep with the bit. I've done it many times. I've also used a sharp screw to bite into the plug & pull it out.
 
 

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