Last edited by jb882; 05-06-2018 at 08:05 PM.
This is off-topic...but a good place to maybe get an answer...........
Are there metric and SAE zerks? Not the threaded portion, but the nipple portion.
Some zerks fit right up with my grease gun, others 'leak' like crazy unless I hold the fitting on just right...and even then it takes a good bit of pressure on the fitting not not have it leak.
The solution to having a metric zerk that leaks with my gun would be to replace the fitting on the gun? Or....hose on the gun in the case of a crimped on fitting. I would suppose that most wrenchers have both metric and SAE guns, then?
Maybe a trip to an hydraulic-n-air place could crimp on a new fitting.
It's always been a pain..but I've never looked into what it would take to resolve the problem. Most of my greasing stuff is suspension components that don't use a gun, but bulk grease.
Thanks for any input.
I know there are metric threaded zerk fittings but i believe the nipple is the same. I have run into the similar issue as you but normally for me the little ball in the end of the zerk is not free and wont allow grease to pass. After i clean them off if grease wont flow easily i make sure the ball is free by poking it with an awl. if the ball is frozen or does not return to closed its time for a new fitting.
If one has difficulties getting adequate axial alignment of the hydraulic coupler with the zerk fitting then a little plumber's teflon tape on the zerk threads can change it's position when bottomed out threaded into the swing arm. Or simply use a flex hose on the grease gun.
2003 TW200 "Betty Boop"
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There are a lot of good greases out there. I have 5 different greases I use on aircraft alone! You have to use what they specify.
We put a new suspension on my buddy's F150 to mimic the Raptor suspension and it specified Super Lube synthetic grease.
When I ran a dumptruck, I would by cases of Mobilegrease (red) 2 cases at a time. You can't imagine how many grease zerks are on a dumptruck. As far as using the red tacky grease from Lucas, I have found that it works well in sliding metal applications like the pivots on a backhoe but it is far from the best grease for axle bearings. Lucas makes an X-tra heavy duty grease that is better for roller bearings.
I just use Aeroshell 22 on my swing arm because it is what was in my grease gun. Be careful with greases that have moly in them. They will ruin roller bearings.