How Thick Are Electric Brake Shoe Pads and When Should They be Replaced

Question

Question:

What is the new thickness of the actual lining and at what measurement is it considered time to replace? Dont want to replace unnecessarily for short trips but also dont to go farther ignorantly thinking I have 50 lining left. 2010 Airstream 19foot Victorinox

asked by: Paul I

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Expert Reply:

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.

expert reply by: Michael H

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Answer 1

That number is probably 4 mm which that amount is acceptable. Normally trailer brake thicknesses are done by inch though. 3/16 of an inch is what they are new and then they should get replaced at 1/16 of an inch.

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Answer 2

Hello Chad. The Lippert 7,000 lb axles use standard sizing for all the bearings, hubs and brakes making them all pretty simple to replace. For a hub assembly I recommend the Easy Grease Trailer Hub and Drum for 5.2K to 7K Axles #AKHD-865-7-G-EZ-K.…

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Answer 3

Based on your picture and my research it appears that you may have a 6 bolt pattern mounting flange but will only use 5 bolts to attach. With that being said, a 12 1/4" diameter, 3 1/2" wide hydraulic brake assembly replacement would be the…

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Answer 4

Are there any visible signs of wear on the magnets like exposed windings then that would indicate they need replacing. Magnets can go bad without showing visible signs of wear though. To see how to troubleshoot them check out the help article I…

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Answer 5

You are correct, the difference between the Electric Brake Assembly for 6K Axles, part #23-458 / 23-459 and the Electric Brake Assembly for 7K axles, part #23-180 / #23-181, is that the 7K brake assembly has a stronger magnet, and also has a…

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Answer 6

When the brake magnet is pushed in either direction on the brake assembly (forward or backward), the brake shoes are forced apart which activates the trailer brakes. When pushed backwards the brakes won't apply quite as hard as when going…

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Answer 7

There are two differences between the 6K and 7K brake assemblies. For the 7K, they use a semi-metallic compound on the brake shoes instead of the composite compound, and the magnets are stronger. This gives the brake assemblies more stopping power.…

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Answer 8

There is not a standard minimum brake lining thickness across all manufactures and within each state. The manufacturer will list a minimum lining depth at which they recommend replacement and so will each state. For example, on a set of 12-1/4"…

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Answer 9

The only difference between the Dexter Trailer Hub and Drum Assembly #42866UC3-EZ and the Dexter Trailer Hub and Drum Assembly #42866UC3 is that #42866UC3-EZ is designed to be used with #42 E-Z lube spindles and #42866UC3 is meant for regular #42…

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Answer 10

I can tell you how to determine the correct spindle based on your measurements, and what you will need is a digital caliper, though the first thing you need to know is the weight rating of your trailer axle. From there, what you need to do is measure…

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Answer 11

Yes you can absolutely send a couple pictures in, however more importantly you're going to need to know the inside diameter of your hub, and take note of the mounting flange pattern. Since you already know your axles capacity, that takes one…

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Answer 12

The brake pads on the 12" Dexter Electric Drum Brake Kit #23-180-181 are 3/16" thick. Dexter Axle recommends replacing them once they get down to 1/16" thick.

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How Thick Are Electric Brake Shoe Pads and When Should They be Replaced

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