Place the brick and the scale 3 feet apart. Match tow ball to the coupler actuator requirement 2 or 2-516 depending upon trailer capacity.
With years of experience fitting all types of boats to various trailers you can trust us to set up your trailer as if it was our own.
How to adjust a boat trailer to fit the boat. Connect your new trailer to your vehicle by latching the coupler to the hitch ball and connecting the safety chains and lights. Back your new trailer in the water in front of your boat so you can float the boat on. Back the trailer down until the forward.
Yes if you have the option I would lower some of the rollers. If you can do this near a ramp that would be a good idea too. The rollers may be set a specific way so that while retrieving the bottom of the boat does not hit parts of the trailer.
So I would lower a little bit launch and retrieve then lower a bit more launch and retrieve. When you set up your boat on your trailer it will need to be adjusted with a nose up or keel up angle ie. The boats keel needs to be set higher at the front than at the rear.
This will allow the hull to roll off your trailer quickly and easily. Raise your brackets so that your bunks are resting on your boats hull. Once the front of your boat is resting on your bunk guide repeat the same process with the rear bunk bracket.
Once you have finished the first side of your boat you decided to adjust repeat the same process with the opposite side. Make sure you check both sides of the roller arm to ensure that both rollers are touching evenly on both sides. Back off the keel rollers approximately 14 to 12 a turn on the height bolts.
Drive your trailer up the road or around the car park to settle the boat down onto the trailer. Install the guide poles at the rear of the trailer and adjust them in until they touch the rub rail. We like to install them a few inches foreward of the rear crossmember on the bottom of the aluminum I-beam with two u-bolts per guide pole.
The view from the rear of your boat and trailer should resemble the above image. TRAILER FITTING AND ADJUSTING. Here at RM Marine we specialise in Boat to Trailer Fitting and Adjusting.
With years of experience fitting all types of boats to various trailers you can trust us to set up your trailer as if it was our own. We also provide a adjusting service if you are having adjustment problem with your current boat trailer. A hitch assembly rated must be rated for the full GVWR of the trailer being towed.
Match tow ball to the coupler actuator requirement 2 or 2-516 depending upon trailer capacity. 18 to 21 from the ball centerline to the ground. The transom of a power boat should sit on the bunks or the center of the rear rollers on a roller trailer.
How do you adjust trailer bunks to fit a boat. Adjust the bunks if your boat is setting on the keel but is tipsy on the trailer. Use your adjustable wrench to loosen the bolts that hold the bunk supports in place on the trailer.
Raise the forward end of the bunk until it touches the bottom of the boat. Step 1 - Evaluate. Keep a 4-foot spirit level above the boats casement where the outboard motor is placed.
With the help of two assistants hold the boat steadily balancing on its keel. Let the helpers watch the level during adjustment and inform you if the boat begins to lean onto one side of the trailer. If everything checks out load the boat onto the trailer for the final adjustments.
Check to see if the keel guides are placed properly. The boat should be resting on the bunks and the keel guides. You can raise the boat a bit using jacks before making the adjustments.
This is to make sure that the boat will rest on the keel guides properly. To adjust boat trailer bunks I recommend starting on the front section. Loosen the screws that secure the boat bunk brackets and move them upwards until they rest on the hull.
Fasten the screws with a torque wrench noting the amount of force specified by. How to Fit Boat Trailer i think he is referring to the spacing of the bunksrollers for proper support. Also pay attention to the placement of your transom in respect to the ends of your bunksrollers.
You dont want the transom hanging out in open space of the end of the trailer more than a few inches that will really take its toll on the transombob. Nevertheless theres a general guide. The trailer bunks should be resting about 13 from the bottom part of the boats hull.
This step requires you to start in the front of the boat trailer. Raise the brackets by loosening them so the bunks will lie on the boats hull. Note on the picture that part of the boat that is over the center of axles above like a letter of the boat name or the edge of a window or or some part.
Use this point to load your boat on the new trailer centered on the axle set center. Pull the boat far enough out of the water to measure where the transom is compared to the back of the bunk. Size Its obvious a trailer should fit your boat.
For trailerable boats those under 8 6 in beam take into account two measurements length and weight. Length should be measured from the farthest point at the bow to the end of the hulls running surface. In general trailers are typically about two feet longer than the boat.
The general rule of thumb is to adjust either rollers or bunks as low as possible and still keep the boat free of fenders and or the road. In particular the stern bunk adjustment normally will always be lower than the bow bunk adjustment. Your bunks should be spaced identically off of the center line of the trailer.
Proper tongue weight is 5 to 7 of the total weight of the trailer boat and gear. Rest the trailer coupler of a boat less than 2500 pounds on a household scale. For boats larger than 2500 pounds obtain a brick the same height as the household scale.
Place the brick and the scale 3 feet apart. Make sure boat is centered engine should be on boat. There should be at least 34 between the boat and fender.
If less than 34 exists between the boat and fender check for additional vertical adjustment on bunk bracket or riser kit or raise the rear vertical pivot adjustment to the 2nd hole. How do you adjust trailer bunks to fit a boat. Start at the most forward point of the bunk raise the bunk until it touches the bottom of your boat and tighten until the bunk is in place.
Repeat this step moving down your trailer until all of the bunks are touching the bottom of your boat and are secured in place.