Using a zert fitting to grease bearings - Page 2 - Escape Trailer Owners Community

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Old 08-20-2016, 07:39 PM   #11
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On my last trailer, the first time and only time I checked the bearings I cleaned out all the old grease, hand packed and reassembled. I used the Zerk to FILL the cavity till the grease came out like it's supposed to. Took almost a whole tube, in just one! The wheels and tires looked like spin art for the next year, no matter how often I cleaned them, it came back. I had my car mechanic straighten it out.

I let him do the job now. I tried, I failed.
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Old 08-20-2016, 07:51 PM   #12
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Originally Posted by madjack View Post
...I'll add my two cents in here...I have used E-Z lubes for the last 12 yrs on 3 different axles and have had no problems with blowing grease out the back seal...the secret is an easy hand on the grease gun and continuous rotation of the wheel...I jack the wheel off the ground and give it a healthy spin...then SLOWLY work the handle of the grease gun while alternately spinning the wheel...I will repeat...a spinning wheel and an E-Z hand on the grease gun...good luck and as always YMMV.......
madjack
Good to hear Jack. I think a lot of the concern is a lack of knowledge. I truly don't care if folks want to hand pack the bearings on their trailer or pay someone to do it. But EZ Lubes aren't some new scary technology. In fact these axles are put on trailers and motorhomes that make any ETI build look like a cheapo. A company like Dexter wouldn't be offering the EZ lube if they constantly failed. Isn't choice a wonderful thing!

BUT, I can point you to several threads on the all-molded-towable forms where someone paid good money to have bearings repacked and the castle nut was cinched down so tight, the axle was almost TOAST. One of them was posted by a fella that though EZ-Lubes were terrible.
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Old 08-20-2016, 08:05 PM   #13
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Originally Posted by Donna D. View Post
Good to hear Jack. I think a lot of the concern is a lack of knowledge. I truly don't care if folks want to hand pack the bearings on their trailer or pay someone to do it. But EZ Lubes aren't some new scary technology. In fact these axles are put on trailers and motorhomes that make any ETI build look like a cheapo. A company like Dexter wouldn't be offering the EZ lube if they constantly failed. Isn't choice a wonderful thing!

BUT, I can point you to several threads on the all-molded-towable forms where someone paid good money to have bearings repacked and the castle nut was cinched down so tight, the axle was almost TOAST. One of them was posted by a fella that though EZ-Lubes were terrible.
Donna, I firmly believe an easy hand on the grease gun(and a spinning wheel) is the ticket...I have a good friend who kept blowing seals and cursed EZ lubes roundly...when I queried him, I found out he was using an air powered grease gun...when he did as I suggested, his problems went away...go figure...

I would also like to STRONGLY suggest that whenever you remove a hub...for any reason...to replace the seal with the proper replacement seal and be very careful when reinstalling the hub to avoid damaging said seal.......
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Old 08-20-2016, 08:38 PM   #14
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If one goes to the Dexter website and look at the E-Z Lube diagram, it is evident that E-Z Lube delivers grease through the spindle to the backside of the inner bearing. Yes, spinning the wheel while pumping in grease will more easily allow grease to flow through the bearing to the void in the hub toward the outer bearing. However, the void in the hub must be fully packed with grease in order to be able to displace the grease in the outer bearing. The fallacy of the system is that when turning, hubs heat up and grease, like most every compound will expand when it heats up. This alone could result in grease leaking out of the rear seal and contaminating the brake shoes/drums. I was always taught never to pack the hub full of grease for that very reason, and because a full hub will run at higher temperatures. While this condition may be acceptable in a boat trailer (which incidentally E-Z Lube was designed for) which typically goes a few miles and is immersed in water which cools it down, I am not convinced it is not detrimental in a travel trailer hub which will likely be towed much greater distances and for longer periods than a boat trailer. While I fully understand it is so much easier to jack up the trailer, spin the wheel and pump in a little grease, I maintain that it is a shortcut with potential for loss of braking power and a whole lot of work to correct the resulting condition. Yes, it is more work to remove, clean, inspect, and pack the bearings but it is the safest way to maintain bearings. I have a friend who works at a local RV parts department. He tells me whenever someone mentions E-Z lube, he always says "you mean Lay-Z Lube."
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Old 08-20-2016, 08:57 PM   #15
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I gotta find the original EZ lube literature (probably on one of my old computers) that never spoke about the Dexter EZ-Lube (original brochure) and boat trailers. Isn't it interesting when someone has a dollar dedicated reason for their opinion? You'll probably never find an RV person that likes the EZ-Lube, because it means less $$ in their pockets. I can PROMISE you, that I can convince YOU of anything if it means more bucks in my pocket. (in today's world, that's called "politics.")


Carl, as I mentioned before... just because it's available doesn't mean you need to use it. Do you know how many posts from the other all-molded-towable forums (AND Facebook) where I've read where folks are SCARED to turn on the furnaces or stove... because they're read "horror stories" about propane.


Be well, be safe.
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Old 08-20-2016, 09:21 PM   #16
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Which gives me the opportunity to bring up a podcast I heard this afternoon. They were talking statistics and studies. There was a study on the hazards of living under power lines. The study group selected 800 diseases and polled people living under power lines. They found that the most common disease was leukemia and drew the conclusion that living under power lines caused leukemia. In fact, if you cross out leukemia, another disease was the most common. They had only proved that of the diseases people were likely to get, leukemia was first in a list.
Web anecdotes are even worse. "I knew a guy"...
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Old 08-20-2016, 09:32 PM   #17
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Truth Glenn! I would much rather read real world experiences where someone did EXACTLY what they should and had a failure (one out of millions?) than just an opinion.


Be well, be safe and make a TON of memories!
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Old 08-20-2016, 09:34 PM   #18
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... "I knew a guy"...
I think that I know that same guy!
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Old 08-20-2016, 09:43 PM   #19
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Originally Posted by Donna D. View Post
In fact these axles are put on trailers and motorhomes that make any ETI build look like a cheapo.
That's interesting... what motorhome has a trailer axle under it?

Driven axles are a completely different design, and while the non-driven axles (including front steer axles on rear-drive chassis, idler rear axles on front-drive chassis, and tag axles on big rear-drive chassis with a single drive axle) typically have greased bearings generally similar to a trailer, Dexter Axle doesn't make them and I've never seen one (including on my motorhome) which has something like E-Z Lube.

If there is one, I am genuinely interested in seeing it and checking out the design.

Quote:
Originally Posted by Donna D. View Post
BUT, I can point you to several threads on the all-molded-towable forms where someone paid good money to have bearings repacked and the castle nut was cinched down so tight, the axle was almost TOAST.
That is the result of incompetent re-assembly, which can happen just as frequently with an E-Z Lube axle, because the hub and bearings are supposed to be (according to Dexter Axle) torn down for inspection at the same interval regardless of grease-flushing with the E-Z Lube or not. Of course, if you disregard Dexter's directions for inspection, but flush grease with E-Z Lube yourself according to their directions, you can avoid the risk of damage by an incompetent mechanic.
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Old 08-20-2016, 10:00 PM   #20
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Time for me to go over to Facebook AGAIN. For all the rest of you, there's THREE big all-molded-towable forums, two HUGE RV groups and about 9 Facebook groups that discuss these issues.

I read far more than I respond to when it comes to "issues." And I'm not lonely....
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