How Do You Know When to Replace Shoes on Drum Trailer Brakes

Question

Question:

Im getting ready to repack the wheel bearings on my RV which has 7k axles with 12 x 2 electric drum brakes. How do I know when it is time to replace the shoes?

asked by: Todd

0

Expert Reply:

On many drum brakes there are wear indicators at the pad material on the shoes. If the pad material is riveted on and you have reached the rivets then it is time to replace them. If you have the brakes adjusted out all the way and the braking is still weak then it is likely time to replace them.

If you are having any specific braking issues let me know and I can determine what the likely cause is.

expert reply by: Michael H

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Answer 1

If you already have brake drums you will not have to replace them unless they are damaged or became overheated and have discoloration on the inside armature surface where the magnet rides, grooves in the armature surface, or severe wear where the…

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Answer 2

You cannot really go by miles when determining when brakes should be replaced. You would know to replace them the same way you would know with a vehicle. If performance is suffering and adjusting the brakes does not help and there are no other…

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Answer 3

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Answer 4

I can help you figure out how to determine the best option for a wet bolt/shackle upgrade kit, though in order to determine the correct one you will need to take a quick measurement of the shackle straps on your Jayco Jay Flight. The reason for that…

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Answer 5

Well shackle length is mainly based on the height difference between the front and rear hangers. The rear hanger normally doesn't hang as low as the front so that the shackle can offset the difference and add the ability to move. What is the…

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Answer 6

The trailer will have a plate or sticker on it that will list the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that will list the weight capacity. You can…

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Answer 7

On Dexter 12" Nev-R-Adjust Electric Brake Assembly #23-458 the shoe pad thickness is 3/16 of an inch. Dexter says that you should replace the shoes if the material gets down to 1/16 of an inch thick or less.

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Answer 8

It is not advised to mix self-adjusting and manual adjusting braking assemblies on the same axle. It is also not advised to use self-adjusting braking assemblies on one axle and manual adjusting braking assemblies on the other. The result of doing so…

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Answer 9

As long as one of the wires coming from the back of the hub is a ground and the other is a power, it does not matter which wire on the magnet goes to which wire from the back of the hub. I have included a link to a video of a magnetic brake…

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Answer 10

Yes, the Dexter Nev-R-Adjust brakes will work with your 3,500 lb AL-KO axles. Brake assemblies attach to the brake mounting flange that is welded to the axle or spindle. The brake mounting flange on the 3,500 lb AL-KO axles uses a standard 4-bolt…

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Answer 11

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,…

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Answer 12

Trailer brake assemblies will typically all wear at the same rate. This means that when you find assemblies that are worn and in need of replacement, most likely the remaining assemblies on the trailer will require replacement too. With that being…

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How Do You Know When to Replace Shoes on Drum Trailer Brakes

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