Troubleshooting Hydrastar Brake Actuator Not Working

Question

Question:

How do I check it? There isn’t a stick or sight glass. Breaks have quit working and I hoping it’s just the fluid. If it is low, what fluid should I use? Thanks

asked by: Joe H

0

Expert Reply:

Checking the fluid level of the Hydrastar actuators like part # HBA-12 is just a matter of removing lid on top and looking to see if it's full or not. But based on what you described it doesn't sound like that is the issue. Low fluid is typically related to a delayed response and not no performance at all.

Most likely its wiring related.

Hydrastar says to check the condition of all of the wiring but also to make sure you are using 12 gauge wire at least, that the unit is grounding through the trailer to the tow vehicle, make sure unit is getting power, and make sure brake controller used is EOH compatible.

expert reply by: Jameson C

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Answer 1

The best electric drum to hydraulic disc brake conversion kit we offer for a trailer with tandem 7,000 lb axles is the HydraStar Disc Brake Kit with Actuator for Tandem Axle Trailers part #HSE7K-T1. This is a complete kit that has everything you need…

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Answer 2

Hello Rick, thanks for reaching out. The 7,000 lb axle on your 2021 Grand Design Solitude 310GKR uses a standard bearing combination, so finding compatible disc brakes will be easy. Here is what I recommend: - DeeMaxx Disc Brake Kit - 13"…

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Answer 3

With our experiences installing and using the various electric over hydraulic actuators out there the consensus is that the Hydrastar actuators have the quickest response time and are the most reliable. All of our installers when asked will say that…

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Answer 4

Hydrastar has a slip-on style version of their 7k disc brake kit with the part #HSE7K-T1SO. You will also need idler hubs too like with the part #AKIHUB-865-7-1-EZ-K but you should note that we don't have any oil-bath idler hubs in this capacity.…

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Answer 5

For most RVs greased hubs are a better option than oil bath hubs, and for the exact reason you mention. While it is obviously not good to run your greased hubs without a full load of grease, this tends not to result in catastrophic failures, mostly…

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Answer 6

Here are the brake bleeding instructions directly from the manual for the Hydrastar Actuator #HBA16. This process needs to be followed to ensure you do not damage the actuator. BLEEDING AND ADJUSTING THE BRAKES 1. It typically is much easier to bleed…

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Answer 7

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 8

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 9

Hey Bryan, that's a good question. The pricing can definitely be misleading, but I wouldn't use it to judge the quality of the tire. A lot of that comes down to promotions, inventory, and whether you're looking at a tire by itself or…

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Answer 10

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 11

The #84 spindle is just a common way to identify the spindle dimensions typically used for 3,500 lb axles. So instead of listing out the parts, people can just say they have #84 spindles and it's easier to know what fits it. The CE Smith Trailer…

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Answer 12

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Troubleshooting Hydrastar Brake Actuator Not Working

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