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Expert Answers about etrailer
- How to Determine Replacement Trailer Wheel Bearing Sizes
- Trailer wheel bearings are specific to the spindle that is installed on the axle that is on your trailer.
You will need to safely support the trailer, remove the wheel and tire, remove the grease cap, remove the cotter pin and washer that secures the spindle nut, remove the spindle nut, and then you will be able to remove the hub from your trailer.
Once the hub is removed you will be able to get the part numbers from the inner and outer bearings to determine the correct replacement...
view full answer... - How to Determine Axle Position when Building a Trailer
- There is an easy way to determine axle placement on a trailer. Take a look at the picture I have included. Just plug in the numbers and complete the formula to determine the axle placement. The other factor that is going to come into play is the springs that you are going to use. Once you have the measurements all figured out you can determine which springs are going to work with that set up.
I have also included a link to our double-eye suspension FAQ article to the right.
view full answer... - Parts for Lugged Hubs on a Mobile Home Axle with 15123 inner and 25880 Outer Bearings
- It sounds like you have a spindle that uses the Inner Trailer Hub Bearing, item # 25580, that has a 1.750 inch inner diameter. The outer # 15123 bearing has a 1.250 inch inner diameter. I would check the seal surface on the spindle to be sure that it matches the # RG06-070 seal inner diameter of 2.250 inches.
Many times mobile home axles use non- standard parts so careful measurement of all of the parts is required. If all of these dimensions match, then you will need to determine whether...
view full answer... - How to Gain Ground Clearance for a Travel Trailer that Hits the Driveway When Entering or Leaving
- There are a couple different ways to raise the ride height of your trailer, but before we choose the best option for you, we will want to take a look at a few things.
First, it sounds like you are not towing with your trailer level so you do not hit your ball mount on the driveway. A trailer that is not level can create many problems such as ground clearance and trailer sway. If you have any sway control issues with your trailer, then I would recommend moving your leaf springs above...
view full answer... - Correct Torque Rating for a Trailer Wheel Spindle Nut
- The nut on the spindle should be tightened until snug, with no side-to-side play in the hub and then backed off slightly, about maybe a 1/8 of a turn. If the spindle uses a castle nut and cotter pin or tang nut, tighten the nut finger tight until it stops, then back it off so the cotter pin or washer tang fits into the next indentation of the castle nut.
If you click on the video link I provided, and forward to the 1:40 mark, you can see one of our techs demonstrating how to correctly...
view full answer... - Can Electric Brakes be Used on a Boat Trailer
- Traditionally, trailer manufacturers did not use electric brakes on boat trailers because the brake magnet wiring and trailer wiring did not always have the best insulation or water protection.
These days, more and more manufacturers are using electric brakes on boat trailers due to improvements in wiring insulation and heat shrink connectors. If you are going to use electric brakes, I strongly recommend using heat shrink butt connectors, like part # DW05745-10, when splicing the wires...
view full answer... - How to Adjust New Electric Drum Trailer Brakes
- The first step that you will want to take is to jack the trailer up on properly rated jack stands. Make sure the trailer is suspended securely before replacing the brakes. Once you have your new electric brakes installed and the hub and drum mounted, you will want to move to the back of the brake backing plate. There should be a rubber plug at the bottom of the backing plate. Remove the plug and you should see the teeth of a star gear inside the brake assembly. This is the brake adjuster....
view full answer... - Do Nev-R-Adjust Brakes Need any Manual Adjustment
- The # AKEBRK-35L-SA Self Adjusting brake assemblies will adjust themselves as you drive after the initial installation. The front brakes will always bear a bit more of the braking work, because more of the trailer weight is normally on the most forward axle, but it should not be noticeable. We recommend that you do adjust the shoes when you first install the assemblies, so that your brakes are working as well as they can upon the first use. This would be especially helpful in allowing your...
view full answer... - How to Test Electric Trailer Brake Magnets to Determine if They Need to be Replaced
- I would check the magnets for wear before going on to test them with a meter. If the magnets show abnormal wear or if you can see the windings beginning to show through the friction surface of the magnet then they will need to be replaced.
To further test your magnets, first make sure the trailer is not connected when performing this test. If the trailer is connected, you run the risk of shorting out the brake controller or various other electrical components.
To test the brake magnets...
view full answer... - Is a Spindle Washer Needed Between the Spindle Nut and Outer Bearing on Dexter 5 on 4-1/2 Hubs
- Yes, there should be a washer of some type between the spindle nut and the bearing on your trailer. The washer protects the back side of the bearing from the edges and points on the back side of the spindle nut.
There are several types of spindle washers available depending on the spindle configuration on your trailer.
The Washer For 1 inch Spindle, # SW1000, is typically used on spindles that have a castle nut, like # 165686, and a cotter pin, # 165649.
A D washer, # 5-23, would...
view full answer... - Testing Electric Trailer Brake Magnets with a Multimeter
- The brake magnets can be tested in the manner you have suggested, just make sure that the trailer is not connected to the vehicle when performing this test. You would not want to short out the brake controller or worse. I would check the magnets for wear before going on to test them with a meter. If the magnets show abnormal wear or if you can see the windings beginning to show through the friction surface of the magnet then they will need to be replaced.
To test the Brake magnets with...
view full answer... - Spare Parts for Harbor Freight HaulMaster Utility Trailer 90154
- We often hear of weak customer support and limited spare parts availability with "bargain" trailer manufacturers. I found an online copy of the owner's manual for the Harbor Freight Haulmaster utility trailer model 90154 but it includes no information at all about the bearing or seal part numbers it uses. Often these foreign-made trailers use odd bearings that are not commonly available.
If you can, pull a hub and find the part numbers on your bearings and seal. Please refer to the linked...
view full answer... - Is Seal # 442251 The Same as # 171255
- The National Part # 442251 is a single lip seal. The part # RG06-050, 10-19, seals are double lip seals of the same dimensions and will work as replacements for the # 442251 single lip seals. The double lip seals are usually used for applications where the trailer is backed into water and helps keep water out of the trailer hub. For the single lip style seal two of part # 58846 is what you will need.
view full answer... - How to Determine Hanger Spacing for Tandem Axle Trailer Suspension with 26 Inch Springs
- Thank you for providing the specs for the suspension components that you already have. Correct hanger spacing really depends on the components being used such as springs, hangers and equalizers. Most of the hanger spacing dimensions that we have are based on our preassembled kits, so we will use that as a foundation for your setup.
First, I would either replace all of the front and rear hangers with 2-1/2 inch tall hangers like part # 115918 or replace just the center hangers with 2-1/2...
view full answer... - Replacement Hub and Brake Assembly for AL-KO 8490
- Based on what information I could find about AL-KO 8490 hub and drums, it is rated for 3,500 pound axles, has a 5 on 4-1/2 bolt pattern, and is a 10 by 2-1/4 inch drum. If this is the case, we have several options for you. I have attached a link to all of our 10 by 2-1/4 inch, 5 on 4-1/2 hub and drum assemblies for 3,500 pound axles.
I recommend the etrailer.com Hub and Drum Assembly # AKHD-545-35-K. This hub and drum uses # L68149 inner bearing and # L44649 outer bearings. If you can...
view full answer... - How to Choose the Correct Brake Assembly for Trailer Axles
- You will need to do some measuring to determine if the 10 Inch Electric Brake Assembly LH, item # AKEBRK-35L, is the correct assembly for your trailer. Measure the diameter of the mounted brake shoe, the width of the lining and the distance between the mounting holes on center. It may also help if you can determine the manufacturer of your brake. Once you have these measurements you can choose the correct assembly for your axles.
It is recommended to change both of the brake assemblies...
view full answer... - Where to Install Shackle Straps and How to Determine Axle Position When Building an ATV Trailer
- For a 3,500 Dexter Straight axle the springs should be placed between 16 and 18 inches on center from the hub face (flat area the wheel mounts against). Placement of the spring centers in any other position will reduce the axle capacity. If you are using a different brand of axle you will need to contact the axle manufacturer for the full capacity spring center dimensions.
If you are using double eye springs then the shackle straps will be located at the rear of the springs. The top...
view full answer... - Replacement Grease Seals For TRP GS-1719DL
- From the numbers you provided it sounds like you need replacement grease seals. In my research, the grease seals I found with the GS-1719DL number have a 1.72 inside diameter and 2.565 outside diameter.
The replacement double lip grease seals you need are part # RG06-050. There are 2 seals in the package.
When replacing any components for your hub, you will want to make sure you either get the numbers for the parts or take precise measurements with a digital caliper. I have attached...
view full answer... - Trailer Hub Assembly for a Haul-Master Trailer with 8 Inch 4 Lug Wheels
- To determine if the Trailer Hub Assembly for 2,000 lbs Axles, # AKIHUB-440-2-1K, will fit on your trailer, we will need to know what spindle is on the trailer. The best way to make this determination is to remove one of the existing hubs on the trailer and acquire the part numbers off of the bearings and seal. You will also need to determine the bolt pattern of the original hub which should be 4 inches from the center of one bolt to the center of one directly across from it.
If your...
view full answer... - The Difference of Single Lip And Double Lip Grease Seals
- The difference between the single lip and double lip seals is that the double lip grease seal will have two rubber lips that are in contact with the spindle. The double lip grease seals are usually used in marine applications to give a better seal and protect the bearings from the water, which can cause damage to them.
The best way to determine what grease seals are needed for your spindle is to get the part numbers from the inner and outer bearings from that spindle. If you have the...
view full answer... - Difference Between EZ Lube Compatible Hubs and Regular Hubs
- Some trailers are equipped with EZ Lube spindles, which have a grease fitting or zerk in the end of the spindle, and a small hole in the spindle that lets grease enter the interior of the hub and reach the bearings. This allows grease to be added to the trailer hubs, but the bearings would still need to be inspected and repacked before installation.
The only difference between an EZ Lube hub and a non-EZ Lube Hub would be the grease cap. For an EZ Lube hub, the grease cap would have...
view full answer... - Amperage of Brake Magnets and Size of Wire Used To Connect 7-Way Trailer Plug To Electric Brakes
- On each individual electric brake magnet the amperage draw would be 3.0 to 3.2 max amps at 12 to 13 volts on 7-inch brake magnets and 3.2 to 4.0 max amps at 12 to 13 volts on 10 and 12-inch brake magnets.
The max amperage draw for the brake magnets on a single axle trailer (2 brakes) would be 6.3 to 6.8 max amps on a 7-inch brake system and 7.5 to 8.2 max amps on 10 and 12-inch brake system. The amps will be higher if using a tandem axle or triple axle trailer.
I am including a link...
view full answer... - Power To Trailer Brake Magnets But Brakes Are Not Engaging
- For the 2 wires coming off the brake magnet, either wire can be used for either ground or power. You will just want to make sure that the ground wire has a good connection to a clean, corrosion and paint-free location on the trailer frame. A bad ground connection could be causing your problems. You will want to check to make sure each brake assembly has a good ground connection.
If the brake assemblies are not new, you will want to inspect the magnets. If the magnets have windings or...
view full answer... - How to Tell if Trailer has a BT8 or BTR Spindle Installed
- A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part # 8-91-05UC1 for an idler hub.
A BTR spindle would have dimensions of 1.06 inch for outer and inner bearing plus 1.50 inch where grease seal would install. That would require an idler hub part # AKIHUB-545-2-G-2K.
view full answer... - How to Install an Electric Brake Controller Unit on a 1998 Chevrolet Pickup
- For your 1998 Chevrolet Pickup, there is no brake controller connector on the vehicle so the wiring for the brake controller will have to be hard wired on the vehicle. You will need just a few items to install a brake controller on your pickup.
The items you need are a Working 4-Way connector, item # 118315, if you do not already have one. A brake controller wiring installation kit, item # ETBC7, and a brake controller of your choice. I would recommend the Prodigy P2, item # 90885 for...
view full answer... - Difference in Bearing Race # L68111 and Bearing Race # L68110
- Race # L68111 has an outer diameter of 2.361 inches.
Race # L68110 has an outer diameter of 2.327 inches.
Based on these measurements, the two races are not interchangeable. They are designed for different size hubs, but can use the same # L68149 bearing.
There may not be a pre-packaged kit with the L68110 race, but you can still get all the parts you need separately. I have included a link to our bearing and race main page for you to view.
view full answer... - Advice For Installing Leaf Springs on a Double Axle Trailer
- The easiest way to accomplish this would be to start on one side of the trailer and get the springs in place before bolting the axle to the springs with the u-bolts. Have the axle up on jacks or blocks so its weight is not bearing on the springs. Once the springs are in place on both sides, the shackles will be in the correct orientation so you can attach the axles. The key is to do one side of the trailer at a time. I have included an FAQ article on double eye and slipper springs below.
view full answer... - How Tight Should Shackle Bolts Be Tightened On Trailer
- There should be enough free play in the shackles to allow them to move.
There is no specific torque rating for shackle bolts. The first thing you should make sure of is that the bolts you use are long enough so that when installed you will have at least 2 threads protruding from the nut.
Next, make sure that the nut you are using is a locking nut, so that it cannot work loose and fall off.
If the bolt you are using has knurls at the bolt head you will want to tighten the bolt...
view full answer... - How to Raise a Trailer for More Ground Clearance
- There are a couple of things that you can do to get more ground clearance for your new trailer. First, if the leaf spring stack is attached under the axle then you could use an over/under conversion kit.
If the trailer has a 2-3/8 inch diameter round axle use # K71-384-00. If it has a 3 inch diameter round axle use # K71-385-00. This will move the leaf spring stack to the top of the axle and raise the trailer approximately the same amount as the axle diameter.
These kits will only...
view full answer... - Where To Connect Two White Wires From Brakes on Trailer Axle
- If you are referring to two white wires from the brake magnet that are coming from the rear of each electric brake assembly, then it would not matter which wire is connected to ground and which wire is used for the brake feed. The magnet that operates the electric brakes does not require the wires to be specific. I am including a link to a video review of a electric brake assembly that will show the two wires from the magnet.
If you are blowing fuses you will want to check the complete...
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