Jack the entire trailer up one corner at a time and support the entire frame on jack stands to keep it stable. This bracket is compatible with the 4 foot and 5 foot Dutton Lainson Roller Bunks DL21741 and DL21740.
Mine rusted out and separated from the trailer.
Replacing trailer bunks with boat on trailer. If you are looking for an easy demonstration on how to and what to use to replace the bunks on your boat trailer then youve come to the right video source. You could use the Boat Trailer Roller Bunk Bracket DL21742. This bracket is compatible with the 4 foot and 5 foot Dutton Lainson Roller Bunks DL21741 and DL21740.
You will need a total of 8 brackets to mount a 5 foot and a 4 foot roller bunk on each side of the trailer. If you have a swing keel raise the keel completely off the trailer until youre finished replacing the bunk boards. Jack the entire trailer up one corner at a time and support the entire frame on jack stands to keep it stable.
Before you begin offload the boat into the water where you can dock it for a few hours. Install the bunk boards following manufacturer recommendations. Usually this is a simple matter of attaching the brackets to the trailer frame unless youre reusing the old ones and the boards to the brackets.
Replacing trailer bunk boards. While the boat is on the trailer very carefully use a floor jack or a couple bottle jacks and lift the boat enough to take the pressure off the bunks. Dont try and lift too high just enough to be able to remove one bunk at a time.
Since I now have the boat on the lift finally Im going to be replacing all my trailer bunks. The bolts are literally falling out of the bunks due to wood rot and the fact that theyre 14 years old. As soon as I move the trailer into the new garage Im going to pull the bunks off clean it wax it order new bunk carpet and replace the bunks.
Seasick suggested using doubled 2 x 4s but since my bunks sit wide side up I think I might have a problem with the hardware used to join them. Original bunks were 3 12 x 2 12. My thoughts were to replace with 4 x 4 which are.
3 12 x 3 12 or match original by. Take Measurements Of Your Trailer Bunks. So we can apply the correct size marine carpet to your bunks we need to get the correct sizes.
Start by measuring the length and width of the timber and take notes. Add approximately 50mm 2 Inches to the length. Multiply the width by 2 add a further 50mm or 2 inches.
It is going to flex and you will end up with the boat being supported only under the bunk brackets. I just replaced mine with pt lumber. I happened to be at Lowes when they were pulling out the culs and picked up two pieces for 50 cents each.
Yeah they were warped and twisted but they have to warp and twist to go on the trailer so it worked. Use 12 x 1 12 Bolt to Mount. Use 516 Lag Screws to Secure Bunk Boards.
For use with 2 x 4 and 2 x 6. Bunk Bracket Replacement Swivel Top Support for Trailer Bunks. 2- 6 Foot Boat Trailer Bunk Board Runner Pre-Carpeted 2 in x 4 in.
Just make sure you dont completely coverseal the wood with the carpet. You need the water to be able drain from the bunk as soon as possible. If the board is totally covered with carpet use a utility knife to cut a drain slit at the lowest part of the bunk so water will escape after you pull out of.
Im replacing the wooden bunks on my pontoon trailer. The original 2x4s are 18 foot long - cant find those. Suggestions were to rip 20 2x6s and cut them to 18.
That seems like a lot of work. I want to use an 8 2x4 and a 10 2x4. Installation of CE Smith Boat Trailer.
One approach is to first build the replacement bunks then tow the boat to the launch ramp pull the boat off the trailer and tie it up as you swap out the old bunks for new ones in the parking lot if permissible. 1 out of 5. 1 hour per bunk.
I replaced the brackets on my 2002 Ranger trailer a couple years ago. Mine rusted out and separated from the trailer. The carpet on the bunks was fine.
They were through bolted and a lot of the bolts spun around. I cut small slits in the carpet to get a socket on them. Then glued the carpet down when done.
The bolts are countersunk. Bunks can also be fitted with various slides that complement or replace the fabric. E-Z Slide Trailer Pads are molded from a slippery Teflon-infused composite to reduce friction as the boat slides on and off the trailer.
Pre-drilled pads install directly over carpeted bunks with stainless steel hardware included. But the center of the bunk DOESNT support any weight. It acts as a guide when the boat is going on and off the trailer.
From then on most of the bunk just rests against the hull and conforms to its shape. The only real load-bearing areas are where the bunk attaches to the supports from the trailer.