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Air compressor, where to fill oil


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philippepom
User

Aug 28, 2014, 1:14 PM

Post #1 of 10 (1235 views)
Air compressor, where to fill oil Sign In

Hi

I am trying to do maintenance on a old air compressor and I would need some help.

1. I can't figure exactly where to fill in the new oil. I see the drain plug but don't know where to fill the new one.

2. About the oil level, it look like full currently, must I full it to the top of the oil gage ?

3. They tell on the notice to grease the motor yearly but not to over lubricate. How much grease should I add ?

4. I realized that their is no air filter currently and this haven't seem to be a problem for all the time it served. Can I continue like this without air filter if I don't do paint job ?

Here some pics :

https://onedrive.live.com/...amp;ithint=folder%2c

Thanks.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Aug 28, 2014, 1:38 PM

Post #2 of 10 (1227 views)
Re: Air compressor, where to fill oil Sign In

What oil gauge are you referring to. If you have a dipstick, that would be the fill point.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
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Aug 28, 2014, 3:00 PM

Post #3 of 10 (1219 views)
Re: Air compressor, where to fill oil Sign In

I didn't see what you were referring to. ?? Are you seeing a drain for water sometimes like an old radiator type is just a drain. Other should be lowest and highest perhaps square plugs like a gear case but must be vented - depends on exact thing as to what to do.


Air intake can be nothing to wild or just a spongy thing is all I have and do not paint nor have a paint room to do it either,


T



philippepom
User

Aug 28, 2014, 3:15 PM

Post #4 of 10 (1214 views)
Re: Air compressor, where to fill oil Sign In

The third picture I took was looking to a oil gage to me, look like something like this :

https://www.acklandsgrainger.com/images/items/zoom/1U607_AS01.JPG

I'm not sure if you can see it in the onedrive images I've sent though.

I'll look at this to find something for the air filter.


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 28, 2014, 3:34 PM

Post #5 of 10 (1212 views)
Re: Air compressor, where to fill oil Sign In

I can't make that format show - needs to be a link like copy/paste from a site that lets you like photobucket and your first one shows but doesn't copy for me.


Almost all are just dumb oil for a compressor piston far less critical, and not oil burning like an engine. You should be able to just look and know or leave it alone.


If you want super clean dry air you no doubt need all new stuff. What I saw with a tank would run air tools, fill tires and so on and might have to wait for it to refill tank using a lot of air.


If not a sight glass or obvious plugs for drain and fill or a dipstick I can't know,


T



Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Aug 28, 2014, 4:12 PM

Post #6 of 10 (1206 views)
Re: Air compressor, where to fill oil Sign In

Yes, that is a level indicator. You may have another point to fill it but I believe it's possible to fill it right from there. I see a removable cap on it.






~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Aug 28, 2014, 4:13 PM)


philippepom
User

Aug 28, 2014, 5:11 PM

Post #7 of 10 (1202 views)
Re: Air compressor, where to fill oil Sign In

Here the pictures from photobucket :

http://s208.photobucket.com/...0140828_002.jpg.html (side with drain plug)

http://s208.photobucket.com/...0140828_004.jpg.html (level indicator i presume)


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 28, 2014, 11:30 PM

Post #8 of 10 (1196 views)
Re: Air compressor, where to fill oil Sign In

Sorry about the pic thing with this site. A problem since forever for me at least. I'll try to get your new ones to show directly now....
#1

#2



Old thing and get the idea if those show. #1 suggests a drain plug as you thought. Pic #2 may show level of oil and or showing mix with water - not sure but would or should have like a ball point pen top cap nut type thing to allow it to work I would think just on assorted old stuff not just compressors. That such that it can vent or the sight glass would be air locked - right?


Pic #1 one shows a cap like a freeze plug to me. That is likely the center of a crankshaft for a piston doing the compressing and idea for oiling is splashing but only so much. Actually a lot like a basic lawn mower type engine that is "splash" lubricated not oil pumped.


There should be a fill level plain plug and don't know why not or just not found.


This is the pump not the tank for the compressed air and the two are not sharing oils or shouldn't be IMO. Again, compressing air can make water so air tank should have some type of drain itself on this old thing which isn't bad because of age just that new crap wouldn't have anything until you went for better stuff for the need for compressed air at all. A nail gun, tools, fill things like tires or use as a blowing tool too.


Painting with compressed air not my thing. Full attention to air quality would be quite important. So is the room (special dust free rooms for that) no dust and so on. Not my trade area and not needed for other air pressure needs.


Side note: It's my experience with this type old stuff oil for a basic thing like this probably doesn't need much attention or routine changing just knowing level is OK would be the most important and if it was leaking out it's probably worn out and NG for long term continued use........


T


philippepom
User

Sep 2, 2014, 2:58 AM

Post #9 of 10 (1167 views)
Re: Air compressor, where to fill oil Sign In

Just to let you know that I've done it. Oil was needed to be filled through the "elbow" top left on the base block.

The oil gage was what I was thinking. To use it properly I needed to unscrew the top screw just a bit and to lift and hold the little metal cover for the air to circulate and the level to stabilize.

Thanks for your help.


Tom Greenleaf
Ultimate Carjunky / Moderator
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Sep 2, 2014, 4:50 AM

Post #10 of 10 (1164 views)
Re: Air compressor, where to fill oil Sign In

Interesting old stuff. If actually changing oil in many old things like that look for straight weight NON detergent oil. I have trouble finding much more than 30 weight by Castrol locally and could use once a common 10 weight for assorted stuff. Problem if it was always non detergent and then use it seals may not take it and leak like crazy,


T







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