Is a Dexter Elec./Hydraulic Brake Actuator Damaged if it was Ran Dry

Question

Question:

I had a trailer with 2- 5200 # axles, and after a 500 mile trip the fluid had leaked out and was dry , I re filled and fixed the fitting leak , and re bleed the brakes , they work fine , did I do any damage to the actuator , # TQA29933 thanks

asked by: Ed W

0

Expert Reply:

I spoke with my contact at Dexter and when I explained to him your situation he said you are totally fine.

He said that the actuators will be totally fine if they were temporarily ran dry.

expert reply by: Jameson C

0

Answer 1

That fluid has to be going somewhere! What you can do is have someone activate the manual override on the brake controller in the vehicle cab while checking for leaks. Make sure the reservoir is full though. If it is not leaking at a line or…

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Answer 2

I spoke with my contact at Dexter and when I explained to him your situation he said you are totally fine. He said that the actuators will be totally fine if they were temporarily ran dry.

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Answer 3

I have attached a diagram that shows how the Dexter Electric Over Hydraulic Brake Actuator, part #K71-651 needs to be wired. You may want to check the wiring to make sure it is wired correctly and none of the wires show any signs of damage. Make…

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Answer 4

If your EOH brakes will not disengage the problem could either be mechanical, as in a malfunction with the master cylinder, a clog in the hydraulic lines or broken parts in the brake assemblies themselves. Or it could be electrical in origin,…

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Answer 5

DOT3 and DOT 4 fluid are compatible with each other, that is not the problem you are experiencing. Most likely you need to bleed your brakes again. It sounds like you didn't quite get all of the air out of the lines and that is why they feel…

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Answer 6

Yes, when hooked up to the tow vehicle your Dexter DX Series Electric Over Hydarulic Brake Actuator #K71-651 will be getting 12 volts of constant power from the black power wire. This is completely normal and would be the case with any brand/model…

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Answer 7

I spoke with my contact at Dexter and there is a way to troubleshoot your actuator. If you use a 12 volt battery and connect just the white wire from the actuator to the negative post and then connect the black wire to the positive side of the…

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Answer 8

Wiring connections for the Electric Over Hydraulic Brake Actuator are as follows. Yellow - Cold side of breakaway switch, The wire that goes hot when a breakaway occurs. Black - Positive connection on breakaway switch, The wire that charges the…

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Answer 9

Yes the Dexter brake actuator part #K71-651 does stop building pressure once it's created. It does not run all the time.

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Answer 10

When brakes are adjusted out properly there will be a slight but constant drag of the pad material on the rotor or drum. If the brakes are actually being applied then there is either an electrical issue with the actuator #K71-651 or something wrong…

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Answer 11

The Dexter DX Series Electric Over Hydraulic Brake Actuator for Disc Brakes - 1,600 psi #K71-651 should not be running on its own. It does have an automatic prime, but the brakes should not apply even slightly without your controller. To…

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Answer 12

If your Dexter EOH brake actuator #K71-651 has not recently been relocated on the trailer to a spot that gets less air flow and you have not installed any new equipment like a tool box that could block air flow to cool it then the most likely cause…

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Is a Dexter Elec./Hydraulic Brake Actuator Damaged if it was Ran Dry

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