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etrailer Trailer Hub and Drum Assembly Installation

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How to Install the etrailer Trailer Hub and Drum Assembly


Today we're going to be taking a look at and also showing you how to install the eTrailer "Trailer Hub and Drum Assembly." These are designed for use on 3500 pound easy move axles. They have a 10-inch diameter and a bolt pattern of 5 on 5 inches. Part number is AKHD-550-35-EZ-K. Now, with the kit we're going to get our hub, which is nice. We're going to have brand new races inside of here. We got a brand new area here where our magnet's going to ride, so we're going to have superior contact and a completely new braking surface, so we know when our brake's engaged, they're going to do the job they're intended to do. Also, we've got our inner bearing, we've got our outer bearing.

We've got our seal and then it's even going to come with new lug nuts, our new "EZ Lube" cap, and the dust cover that's going to fit in there and keep all the dirt, moisture and grime out of our bearings. Now, if you're beginning your installation from scratch, we want to take our old tire off, of course, and we want to get our old hub off. There are a couple different methods of how they keep the hubs on and keep our bearings in place. This one has what they call a "capture nut." This nut just slides over the end of our actual nut and that's going to be a keeper there. Some of them will have cotter pins that slide through. Regardless, we'll want to either take off our cotter pin or we can just pop this off the end there.

You can see this little tab lines up with the flat spot on the axle. You then want to remove the nut and then we also want to take off our washer. Now, these things, we want to save all of these. A lot of times with the cotter pin, you will break it, so it's not a bad idea to have one of those on hand. Now what I like to do is get all the old grease off of the spindle here, that way we're starting fresh. Now, with our bearings, we want to pack these with new grease.

There's a couple different things out there, we even have a bearing packer available on our website. I just do it by hand. We're going to use red grease for non-marine applications. I got a trailer that won't be backed into the water. You'll want to use a marine quality grease if you are using it on a boat trailer or something of that nature. Then, it's just a matter of pushing the grease in to the gap that exists between the inner race here and the outer keeper.

You can see this little gap right here where you see that red grease. We want to force that through so eventually it comes out of the top side. Now with that packed full, we can drop this right in to the top of our new hub or what would be the back side of our new hub. Since your hands are already covered with grease, it's probably a good idea to do that outer bearing now as well. Now it's time for us to take our seal. We're going to place it right here on the back of our hub. We're going to be using part number PTW83020. This is a universal seal and race tool. You could also use a 4 by 4 block of wood or some kind of piece of wood on the back side of it to get it in. You just want to be careful. We'll just drive it in until it's fully seated, just like that. Now I'm going to take a little bit more of our grease and I'm just going to put it inside of our hub here. You don't have to do this, you could do it through the EZ Lube, but this will save you a little bit of time pumping on a grease gun. We're ready to slide it right on our spindle. A little wiggle to get that seal to set properly. Now our outer bearing can be slid on, just like that. We'll put on our retaining washer. We'll take our nut, we want to thread that on. Now, at this point, I like to put my tire back on, use the lug nuts to get it secured. That way, we can set the tension or seat our bearings properly and make sure we've got them tightened down appropriately. The way we'll set our bearing pressure here or seat our bearings properly, we want to spin our tire and then we'll want to keep tightening down our nut. Then, at a point, you're going to feel it get a little tension on it. You'll feel a little bit of drag there. We're going to loosen up just ever so slightly and then we'll slide our keeper back on here. We can grab our dust cap here. Then, again, using either a little block of wood or, in this case, just using the dead blow hammer, get that seated into position all the way around. Now we'll use our grease gun. We're going to add in grease and we'll see it come up right inside of that cap. That way we'll know it's full in there. Now you see we've got a little pocket of grease that goes all the way around there. That means that the entire inside of our hub is full and it was forcing its way out. Now it's just time to cap it off. Any time we need to service our bearings, we just pull that cap off and that grease inaudible 00:06:11 is going to be right there. Now all we have to do is grab our torque wrench. We'll torque down each of our lug nuts to make sure that they're set properly. Once we've got everything torqued down, we'll be ready to start using our trailer again. Now with our tire torqued down, that's going to complete our installation of the eTrailer Trailer Hub and Drum Assembly, part number AKHD-550-35-EZ-K.


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Info for this part was:

Employee Jeff D
Installed by:
Jeff D
Employee Randy B
Installed by:
Randy B
Employee Kathleen M
Video by:
Kathleen M
Employee Chris R
Video Edited:
Chris R

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