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Correct Use of Your Electric Brakes
Your trailer brakes are designed to work in synchronisation with your tow vehicle brakes. Never use your tow vehicle or trailer
brakes alone to stop the combined load. Your trailer and tow vehicle will seldom have the correct amperage flow to the brake
magnets to give you comfortable, safe braking unless you make proper brake system adjustments. Changing trailer load and
driving conditions, as well as uneven alternator and battery output, can mean unstable current flow to your brake magnets. It is
therefore imperative that you maintain and adjust your brakes as set forth in the controller manual, use a properly modulated
brake controller and perform the synchronisation/adjustment procedure recommended by the brake controller supplier.
Proven and in some cases approved service methods and correct repair procedures are essential for the safe, reliable operation
of the brakes, suspension, and axles as well as the personal safety of the individual doing the work. This manual intends to provide
general directions for performing service and repair work with tested, effective techniques. By following these guidelines, it will
help assure reliability. The numerous variations in procedures, techniques, tools, and parts for servicing axles, as well as in the
skill of the individual doing the work will determine outcomes. This manual cannot anticipate all such variations nor provide
advice or cautions as to each. Accordingly, anyone who departs from the instructions provided in this manual must first establish
that they neither compromise their personal safety nor the vehicle integrity by their choice of methods, tools, or parts.
• If at all in doubt, please refer all repairs and maintenance to a suitably qualified or experienced mechanical repairer.
• MDC Campers and Caravans Inc. accepts no liability for personal injury, loss or damage resulting from incorrect
applications, methods, and failure to perform maintenance safely and correctly.
Brake Adjustment
Brakes should be adjusted (1) after the first 180mi of operation when the brake shoes and drums have “seated,” (2) at 3000mi
intervals, (3) or as use and performance requires. The brakes should be adjusted in the following manner:
Never crawl under your trailer unless it is resting on properly placed jack stands. Do not place
supports on any part of the suspension system and use the designated jack point or under the spring
base plate to jack trailer.
Brake Cleaning and Inspection
Your trailer brakes must be inspected and serviced at 3000mi or more often as required by use and performance. Magnets and
shoes must be changed when they become worn or scored to avoid inefficient vehicle braking.
Brake Lubrication
This should only be done by qualified persons.
Do not get grease or oil on the brake linings, drums, or magnets.
Brake Magnets
Your electric brakes are equipped with high quality electromagnets that are designed to provide the proper input force and
friction characteristics. Your magnets should be inspected and replaced if worn unevenly or abnormally.
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