Adding 20W50 oil thru a Zerk

Duner Wi

Well-known Member
I have two things that I would like to oil via a Zerk grease fitting. Anybody have a simple easy scheme to accomplish this. Thanks!
 
I tried putting 90 wt. oil in a grease gun to do just that. Did not work as is ran past the plunger and came out the back of the grease gun.
 
If you have an older or high quality grease gun you can flip the piston over and it will seal the tube, or simply leave an old cartridge in it. You could also search auctions for one of the old type grease guns where you simply pushed the plunger to force the grease , like this one,,
3780860_s1_i1.jpg
 
(quoted from post at 19:48:52 03/16/15) I have two things that I would like to oil via a Zerk grease fitting. Anybody have a simple easy scheme to accomplish this. Thanks!

Tire pump. Switch the end on a manual tire pump to a grease zerk fitting and pour the oil in the top of the tire pump. The oil will go past the piston and out the tube.

You will waste some oil bleeding the air but you could cycle it back into the tire pump.

http://www.amazon.com/Power-America-7500-MaxAir-Volume/dp/B000BYM4UE

I havent done it with oil but helped fill tires with antifreeze. It works....
 
Duner Wi,A ProtoPower hand pump type works great for pressurizing oil through an alamite fittings.Just screw a 1/8" female snap fitting on the hose.I have used this method many times to clear plugged up kingpins ect.
 
Are you talking Blackhawk Proto Power for un bending my car. 8500 PSI should mover some oil.
Thanks for idea.
 
I won't try the grease gun. Wonder if it would work if you welded the plunger end shut or sealed it tight? Thanks
 
I took a Harbour Freight grease, welded a piece of
sheet metal over the slotted end. Fill with oil and use to lube the track rollers on my Oliver OC-3 crawler.
 
I've heard you can turn the plunger seal over and use it for oil, but I see a mess coming! Maybe if you only put enough in to get the job done, then return the left over oil to the can when done.

Don't think closing the end up would work. It would get air in the pump every time the oil ran to the other end, and it would need to get air in the barrel as the oil was pumped out.
 

I'm pretty sure this would work for small quantities- http://www.grainger.com/product/WESTWARD-Mini-Grease-Gun-19XH25?s_pp=false&picUrl=//static.grainger.com/rp/s/is/image/Grainger/19XH25_AS01?$smthumb$
 
I did it by putting a new tube of grease in the gun.
then using a spoon to scoop out some grease. then fill the void with oil. it worked with straight weight 50wt oil. i then was able to get all the oil in the zerk because the grease behind the oil sealed it up enuff the oil had no place to go, but into the zerk.
 
They make a tool to do that, don't know how much oil you want to put thru the zerk. I think its called a zerk buster, fill it with light oil, hit the end of it with a hammer and it forces oil thru the zerk. It is supposed to clean old hardened grease out of the fitting.
 
Alemite appears to have a product for this, take a look at the bottom of the page I posted a link for, there is a lever oil gun in their product line. Alemite has quite the product line, there may be something they offer that fits your needs.

If you are lubricating something critical, or there is a concern of cross contamination of lubricants that do not have compatible soap bases or other properties, in the component you want to lube, you may want to consider something dedicated for the specific purpose. Just something to be aware of if in fact there is a conflict.

We often see posts about leaking gearboxes on rotary mowers, whereas people mix grease and oil to thicken up lube and stop leaks, and generally not all may be aware of lubricant specifications, properties, what is compatible, what is not.

Another consideration is for crawler track rollers, whereas a grease gun is used, instead of a volume pump, grease guns can create high pressure, rupture track roller seals if one is not careful and very attentive to what they are doing. Old types of caterpillar rollers are like that. Again, may not apply, but something to be aware of.
Alemite
 

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