Brake Shoe Thickness and When to Replace Dexter 3,500 Brake Pads

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Question:

How to tell if brake shoes need replacing

asked by: David G

1

Helpful Expert Reply:

I went out into our warehouse to measure the pad thickness of a Dexter 3,500 10 by 2-1/4 inch brake assembly like the part # 23-468-469 and just the brake pad portion of the shoe measured .18 of an inch.

The entire shoe thickness was .29 of an inch and the metal portion of the shoe measured .11 of an inch. Dexter says they need to be replaced when the pad material gets down to 1/16 of an inch (.0625) or less.

expert reply by: Jameson C

1

Answer 1

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 2

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…

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Answer 3

The 14" aluminum wheel used for the Westlake ST205/75R14 Radial Tire w 14" Condor Aluminum Wheel - 5 on 4-1/2 - LR D - Gunmetal #LH37VR is compatible with 1/2"-20 lug nuts like #LHLR103. For this stud size you will want to torque the…

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Answer 4

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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Answer 5

We have the bearing kit part #BK3-100 that is designed for Dexter 6k trailer axles like yours. This comes with new bearings and a seal. I attached an install video that shows a trailer hub getting rebuilt for you to check out as well.

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Answer 6

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 7

It's a wire color difference but not a function difference on the pins of the 7-way. The difference comes from the fact that the two different styles are representative of two different areas that uses trailers. Traditional is usually seen on…

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Answer 8

It sounds like your problem may be that you are installing too much grease into the hubs and that is why they are blowing out. If you are pumping your grease into your hub with a grease gun you should note that you should only continue to add grease…

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Answer 9

If you have grease coming out the rear seal, you have a bad seal or the incorrect size seal size. The EZ lube spindles will allow you to see grease out the front with the rear seal intact if your seals are working properly as you stated. I've…

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Answer 10

It is possible that you have single lip seals and need to replace them with double lip seals to avoid the grease leaking from the back of the hub. A double lip seal will have a stronger seal for EZ lube spindles such as #TRU74FR. The force of the…

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Answer 11

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 12

I spoke to my contact at Timbren and he said that their Axle-Less systems like the part #A35RS545E that you referenced does have the ability to be aligned. It comes with shims that allow you to make small alignment adjustments.

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Brake Shoe Thickness and When to Replace Dexter 3,500 Brake Pads

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