When you set up your boat on your trailer it will need to be adjusted with a ‘nose up’ or ‘keel up’ angle, i.e. To give a quick understanding here is the main differences.In an upcoming article we will discuss the major differences, pros and cons to each different type of First thing when looking to adjust the rollers on your trailer is to draw a ruff sketch and a plan of your boats hull. Don’t forget to include planning of the strakes and take all measurements from the hull’s center line.
H. Make sure boat is centered (engine should be on boat). I load boat on the trailer,then using a floor jack under the keel adjust each roller so it carries a equal load.The trailer will flex when the boat is on it,and the roller will not be loaded equally if the trailer is set up without the boat on it.In doing it my way one hand will lanuch a 25 footer or a 13 footer. Look at your boat on the old trailer. He is also a certified marine technician and the author of a popular text on writing local history.parking remorques à bateaux image by Unclesam from The keel should not make contact with the rollers when the boat is at rest on the trailer. Your boat will rest on the bunks while you adjust the keel roller, so no further adjustment of the bunks is necessary.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 and tighten the forward-most bolt. Because the keel roller bears the weight, the bunks can be moved without moving the boat from the trailer.Inspect the boat's keel--the lowest part of the bottom--to verify that the keel is resting on the line of rollers in the center of the trailer. Tighten the first bolt, move to the next bolt and repeat the process.
The following instructions are written assuming your boat is on the original old trailer. If it is not, use your adjustable wrench to loosen the bolts that hold the keel roller in place. Check fender clearance. How To Adjust Boat Rollers On Your Trailer ... Drive your trailer up the road or around the car park to settle the boat down onto the trailer. Inspect the boat's keel--the lowest part of the bottom--to verify that the keel is resting on the line of rollers in the center of the trailer. After the initial tightening with the adjustable wrench, use a torque wrench to torque the bolts to the extent specified in your trailer's owners manual. Also check that the boat is not sloping downhill or is not less than 2" from the tongue plate. You need to adjust your trailer if it's really carrying the load on the keel. If the bunks are adjusted correctly, your boat will ride on the trailer roller beneath the keel, where the majority of your boat's weight is concentrated, and the boat will be cradled in a steadily on the trailer. Starting at the front of the boat, raise the keel roller until it touches the bottom of the keel. If your boat is blocked and needs to be placed on the new trailer we recommend hiring a professional rigger to do this. Like your boat, your boat trailer's bunks--the padded, adjustable skids the boat sits on while on the trailer--will require occasional adjustment to carry your boat properly. With the weight of the boat on a roller trailer, the keel should set on the keel roller; if it does not, you may have to install a keel riser kit. Look at the height and shape of the bottom of the boat.
Step 1. Starting at the front of the boat, raise the keel roller until it touches the bottom of the keel. Complete Trailer Kits | Free Metro Shipping | Discounted Regional Shipping!When it comes to choosing new boat trailer rollers for your trailer, there is a lot of confusion as to what the differences between the types of rollers actually are. If it is not, use your adjustable wrench to loosen the bolts that hold the keel roller in place. Lastly; reset the keel rollers to just take the load of the boat including the front bow roller and self centering rollers.