Q: What are surge brakes?
A: Most of BoatMate's hydraulic trailer brakes operate on the surge principle. The coupler assembly is known as an actuator and contains a master brake cylinder similar to that in an automobile. When the brakes are applied in the tow vehicle, the trailer surges against the tow ball forcing fluid through the trailer hydraulic system, thus applying the trailer brakes.
Q: Why are my surge brakes locking up when I backup my trailer?
A: When backing if you are locking up the surge brakes on your trailer you most likely have a problem with what we call the reverse solenoid. When you back up, you compress the surge brake system the fluid pressure applies the brakes, not allowing you to back your trailer. The reverse solenoid is energized when the vehicle is put in reverse and opens the fluid flow relieving the pressure. No pressure, no brakes to stop you from going backward. The center pole of the 7 round plug is this wire that goes to the tow vehicle's reverse lights. If you have problems please check the valve, the tow vehicle wiring and wiring to the reverse solednoid to troubleshoot what is wrong. Make sure the vehicle's wire is activated/on. For more information regarding your trailer's wiring please see our Surge wiring diagram or our check out our Reverse Solenoid Troubleshoot tips.
Q: I still can't back my trailer after checking the lights
A: Pull forward to release any pre-existing pressure against the brake actuator. If you are still having problems please Contact Us for further troubleshooting tips.
Q: What is the clunk noise caused by when I brake and accelerate?
A: Most of our trailers are built with a 'Surge' Brake Actuator. These devices are actuated by the kinetic force of the trailer still wanting to move forward when the tow vehicle starts to slow down quicker than the trailers natural loss of speed. This action of the trailer compresses the actuator's sliding components and actuates the brakes through a hydraulic system similar to a cars. When forward towing, a vehicle exerts a force that pulls on the nose of the trailer and keeps the brakes in their released position. The clunk you hear is the actuator returning to its natural position. It is possible that the braking system on your trailer needs to be serviced. If the hydraulic system is dry or has air in it, you will have excessive movement in the actuator causing a louder than normal clunking. This condition may effect the braking of your trailer and it may be necessary to have your trailer serviced by a qualified technician.
Q: How do I bleed my brakes?
A: See Brake Bleeding Procedure
Q: Do you sell brake lockout keys?
A: Brake Lockout Key