How to Know When to Replace Trailer Brake Hub Drums

Question

Question:

what is the discard spec for inside dimensions of this drum ? when should I replace them ?

asked by: Shawn

0

Expert Reply:

As long as your existing hub drums are in good condition (no grooves worn in the armature surface that the brake magnet rides on or the surface that the pads grab). For a lot of trailer hub/drums there is a minimum thickness for that to be turned listed on them though.

expert reply by: Jameson C

0

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're not going to have any problems mixing Dexter and Lippert components on trailer axles over 10k-lbs in the same manner as below 10k-lbs as long as the measurements on the replacement parts are the same- i.e. bearing sizes are the same, etc..…

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Answer 3

Because the face of the magnet rides against the armature (inside) surface of the brake drum, any grooves that had previously been worn into the armature surface will cause the magnet to wear unevenly. For optimal braking performance, you want…

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Answer 4

You can definitely ground your trailer brake assemblies to your trailer frame. This will be just as effective and also will be a much easier install.

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Answer 5

If you can't place any weight on the trailer in any way that limits a lot of the options. Basically you'd have to decide if you could fit in in the interior or use a bunk like part #CC-255 as a platform on the tongue of the trailer. This is…

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Answer 6

Yes, the self-adjusting version of the Dexter Electric Trailer Brake Assembly part #23-181 is the Dexter Nev-R-Adjust Electric Trailer Brake Assembly part #23-465. This assembly is for the right hand side and if you need the left hand side you can…

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Answer 7

You would know to replace brake shoes 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 issues causing the poor performance it is probably time to change the brake…

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Answer 8

Hubs and drums that can be turned (machined) will have a specification on how much they can be turned cast into the metal of the drum somewhere. Otherwise it is at the brake shop's discretion. Drums do not have to be turned unless there is some…

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Answer 9

So long as a hub uses the correct bearings that match the dimensions of the spindle that is on the axle there is no worry about using two different brands of products, such as a Dexter hub on a Lippert axle. That in itself is not a concern. When a…

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Answer 10

To find the correct replacements for your trailer, there will be a little more information needed. First, you will need to know your inner and outer bearing numbers. However, these do ware off over time so you can also measure a few things to get…

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Answer 11

We can help you with finding what you need to replace the trailer suspension on your 71 Aristocrat. Many times there is a plate or sticker on the axle somewhere or on the trailer that has the weight capacity and size of axle you need. That would be…

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Answer 12

Thanks for the information on your trailer. For your axle with brakes I recommend the Trailer Hub and Drum Assembly - 5,200-lb and 6,000-lb E-Z Lube Axles - 12" - 6 on 5-1/2 #AKHD-655-6-EZ-K if you have the spindles with the integrated grease…

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How to Know When to Replace Trailer Brake Hub Drums

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