Carpet boat trailer bunks are generally designed for use with fiberglass hulls. Repeat until the whole bunk touches the bottom of the boat and all the bolts on the bunk have been tightened.Will Charpentier is a writer who specializes in boating and maritime subjects. 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. If you own carpet bunk guides you will no doubt notice that they constantly need replacing much faster than plastic boat trailer bunks. This should follow the shape of your boats keel and allow for an easier launch when at the boat ramp.Once you are happy that your boats keel is resting on your boat trailers keel rollers, it is time to make the adjustments to your Your boats bunks will vary by boat manufacture as to were the trailer bunk guides will be resting. It only takes a few minutes to measure and …
The rear tires of the tow vehicle should not enter the water.
In today’s tutorial we go over the simple steps on how you can adjust your boat trailer bunks to make them suit your boats hull. Our bunk style pontoon trailers are fully adjustable to fit all known brands of pontoon boats. A retired ship captain, Charpentier holds a doctorate in applied ocean science and engineering. It would be interesting to learn more about how the rollers play a role in the transportation of a boat.Overtime many boat owners in America will come to the point that they will need to either replace their existing boat trailer bunks or repair their existing bunk guides due to constant wear and tear. If this happens, adjust them accordingly back to their original resting position. If your boat is still not sitting correctly, go over your boat trailer from step 1, and see which part of your boat trailer is not sitting correctly with your boat. Plastic boat trailer bunks on the other hand for aluminium boats last much longer and have a far greater life span and performance rating.
To completely avoid plate from resting on bunks, pontoons would need to overhang the bunk boards by 1 inch. In a similar way as you did with the rollers, unscrew each bolt with the adjustable screw and reposition the trailer bunks so that they touch the boat, taking particular care not to place your finger between the bunk and the boat. Most will leave 3’-5’ of the front nose cone unsupported. 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. 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. To retrieve your pontoon onto a bunk style pontoon trailer, back the trailer down the launch ramp getting the trailer as deep into the water as possible. When you buy a new boat and trailer from a dealer, many new boat trailers from major manufacturers are made on a production line. 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. Start at the front of your trailer and work your way to the rear. If they are; Great! The boat trailer you will look to purchase will not be suited to your boat. If you own a boat trailer and looking to purchase a new boat, your boat trailer will not be suited to your new boat.If you fall in to one of the above categories, you will need to learn how to adjust your boat trailer bunks and bunk brackets to suit your setup.By correctly adjusting your boat trailer bunks to suit your boat, not only will it sit better on your trailer; it will provide a smoother ride while in transit, will help make launching and retrieving easier and if you have keel rollers on your trailer, the bunks will help to evenly distribute your boats weight on the rollers for a smoother setup and lastly, be overall safer.The first step to ensuring your boat is sitting correctly on your boat trailer is to check that your boats keel is resting on the Approximately 70% of the boats weight is in the keel, so it is important that we focus on this area of your boat and that it is well supported.With your boat on your trailer, climb or position yourself as best as possible under your trailer to visualize that your boat is resting on all the keel rollers. Most pontoon boats with 8’6” wide decks usually have 77” bunk centers. Rarely do dealers put in any work to make sure the boat trailer has been adjusted to suit the customers new boat.