Demco Auto-Latching Adjustable Coupler installation
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- เผยแพร่เมื่อ 19 ก.ย. 2024
- Demco Auto Latching Coupler
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Hi JD. Worked in fasteners for many many years. They actually stretch more than you would think, and you should never reuse nuts, lock nuts, or split lock washers. They lose all their effectiveness after use.
Can;t belive you are using crescent wrenches. Use the correct wrenches and sockets.
Just a suggestion for you. If you use just a single socket, not a flip socket with an extension, you will loose a lot less torque from your impact driver. I’m sure you already knew that though. Lots of years of being a mechanic talking there. Love the channel sir. Keep up the great content!
JD, just an FYI. Just my thoughts... On the Demco hitch, you should use 4 bolts on it instead of the 2 long bolts. Here is the reasoning behind it. The hitch you took off, is solid across the top, across the bolt holes, where the Demco is not. The Demco has a "cut out" portion, thus it is more susceptible to "ball side load" when turning. That's why it came with 4 bolts. Maybe that is something you can look into and maybe cover in a video?
Agree 100%. The coupler has the words cast into it... use 4 bolts. I was betting you would change tactic to use 4 after the undoing was a hastle... and that they supplied the hardware.
The reason for it being so tight is to keep the coupler from rattling. It squeezed the channel around the coupler. If you look closely the channel is a little squeezed in from the first coupler.
Exactly! It’s suppose to hug it tightly. The coupler should not rattle whatsoever.
JD, being that there is nothing between the mounting holes of the new hitch, I would use the 4 bolts. By doing it this way it will be solid on the trailer with no slop not to mention stronger. Just a thought and suggestion.
But upgrade the bolts to at least grade 8. I’m surprised a trailer couple comes with grade 5 hardware and makes me wonder where else they choose to skimp out on things.
@@preachers4135 grade 5 in this situation is actually better. Grade 5 has better shear strength than grade 8. Grade 8 has better tensile strength.
I think maybe you should use the four nuts and bolts provided. I feel like it would make it tighter in the channel.
Might consider upgrading to a 1/2 inch milwaukee impact
Thats what i use as well.... I'm sold on Milwaukie products after years of using other less quality one. They cost more initially but not only last but do the job...
I bought a couple of those thin wall impact sockets when I first saw them on your channel. I keep a set in my truck and one in my shop. They work very well for removing lug nuts on golf carts with inset lugs.
Great video, I just ordered this same latch for my new Texas Pride Trailer. My other Texas Pride Trailer which I took delivery of on November 2021 already had the Demco EZ latch installed from factory. I like it so much that I ordered one given that my new trailer will come with that other system. The Texas Pride representative from the Perris location told me they can’t get Demco because of “ supply issues”. Who knows.
That turned out to be some project that was unexpected. I like that auto coupling hitch. I can’t use it because I don’t have the hitch that will bolt in like your trailer JD. Thanks for the video I got a chuckle from watching you and your buddy working on that project.
Try a Milwaukee high torque impact. They are unreal with power.
You really shouldn’t reuse nylon locking nuts, especially that bottom one, I’m sure it heated up pretty good when you were taking it off
If you look close, you can see that the bolts were so tight that they pinched he channel.
Lost all the impact power with the extension and the long (deep well) socket. Got that other socket on and darn near came right off after a little budge with the breaker bar.
Also i wouldnt reuse the same hardware. And if you dont tighten the bolts to where the new coupler you have doesn’t have any wiggle room you will definitely feel the wiggle in your next tow.
The uhaul trailer I recently rented had one of these. Felt much better hearing the click when it locked on.
Do you enjoy the sound of hitch rattle? Using anything but the four bolts supplied decreases the load rating of the coupler. It won't take long to shear off those bolts.
Grade 5 was specifically used for a reason. And they're 4 Fastener plan is better than your two.
Another great and informative video. Question, do you have any recommendations for a hydraulic tongue jack replacement for a 6500# travel trailer? I would like to upgrade ours for a faster, quieter one. Thanks for all the wonderful videos and keep up the great work.
Someone created a slip-critical connection instead of a bearing connection. I hope the bolt wasn't over stressed.
I sure would recommend you replacing all the hardware, I’m pretty sure that one bolt was way over stressed!
These couplers are great for the average user, for the guys that use it every single day a ball hitch is not near strong enough or convenient enough for multiple hookups and detaches, a pintle ring is the best way to go a pintle ring with the hook style not the ball style is nice and tight and is extremely durable
how can it not be convenient enough? It is just as easy to hook up a trailer regardless of the type of hitch it has.
I agree a good pintle hitch is very durable, can handle abuse better than most couplers and is a great option in off-road conditions but man-o-man the banging and clanging is enough to drive a man to other options.
@@preachers4135 agreed, a pintle ring paired with the combination ball and pintle Hook is the recipe for madness there's too much slop. But if you use the dedicated pintle hook that was designed for it, the connection is slop free
@@Alex.AL_26 I have owned all 3 couplers I have a stack of the 2 and 5/8 couplers sitting under my workbench when I buy a new trailer I order it with a pencil ring, and if I buy a used trailer I bring a pencil ring with me and switch it out immediately before leaving the property , I've had actually had the ball couplers snap and break. I've never seen a pintle ring break
@@treadlightlyservicesllc.1930 I agree they are more durable, but I don’t understand how they are more convenient
The reason they send 4 bolts & nuts with the coupler is so you can squeeze the sides of the female channel to the sides of the coupler and not have the coupler rattle in the mounting channel. The squeeze between the channel sides and the coupler is part of the design strength of the 21,000 lbs. rating, One other thing to watch for is adjustable channel on trailers are not all the same width inside. There are 2 standard width female channels in the industry one is approx. 2.9" ID and the other is approx. 3" ID. It is important to make sure you are using the correct coupler in the correct mounting channel so when the bolts are torqued the coupler is tight. That is why the kit came with a mounting channel to ensure the proper fit. It you mount a narrow coupler into a wider channel a thin flat washer along one side to take up the gap will help to reduce rattle of a loose coupler. About 150 ft. lbs. torque on the 5/8" mounting
bolts for Grade 5 bolts.
I wish you had my number. A 3-4 foot cheater pipe over the Breaker Bar would have been easier!
Seafoam Deep Creep works about ten times better than PB Blaster.
Those bolts need the proper torque. If they are grade 8 I would torque them down to a minimum of 140 ft. Lb. Probably 180. As someone else mentioned don’t reuse lock washers or lock nuts. I never use lock washers myself. I have seen way to many break and then you loose your clamp load.
I’m not sure if you read all the reviews but I love your channel. In this particular video I would’ve liked to have seen you at least hook it up once after all that. thank you
We have a trailer here at work and we had to adjust a couple on it and trying to get the bolts loose it was crazy I think we torqued ours at 120 ft lb but I was going to warn you keep an eye on your bolts whenever you haul in the trailer and stuff we have had them where they break the bolt heads off and you got to replace the bolts
Fyi, demco recommends 225 ft-lbs on those 5/8 grade 8 bolts. I have the same coupler on my trailer, super easy to hook up
And that's just from the load of hauling on the trailer we never exceed over 12,000 lb in the trailers are 16,000 but every now and then we'll have a bolt head break off guess it just must be from the weight and bouncing on the trailer and I know 12,000 lb is pretty well maxing out of trailer that is 16,000 so it is kind of at the max but not all the weights up on the hitch it's on the middle of the trailer in the axles we haul water on them and spray gravel with them
That was painful to watch. I love those Demco Hitches.
My trailer's factory coupler is welded to the frame. I wish that it is as easily removable as this or I would have installed the auto latching hitch a long time ago.
That was epic haha 🤘
You forgot your Irish spanner. ("lb hammer!)
The four individual bolts would be better than the two longer bolts. Also, Grade 8 will give you zero warning before they fail. If you have an impact or something, the Grade 8 might snap while the Grade 5's would just bend or stretch.
Short socket will help
Gezzzzz. Just one more gadget to have with older ones on the shelf. Go, go, gadget go! Interesting no safety pin to secure it with. ????
Why did you use a Cresent wrench instead of the breaker bar with the impact?
Grade 5 bolts are the correct choice. Grade 8 bolts are too brittle for that application
Have a case 1130 3 cylinder diesel with a ball on the 3 point hitch very convenient. Don't think a fifth wheel hitch will work on the tractor. Would be nice but I think the tractor would not be stable enough to work.
it looks like more manufacturers are going to 12 v fridges. What are your thoughts on this.
I need that exact one …..because my latch is wore out
Hi I was wondering if you can tell me what is the best airbag system and brand for a tri axle toy hauler 5th wheel rv do you recommend
Thanks Mario
If not airbag then what is the best suspension upgrade do you recommend
Thanks
Glad you will never work on my trailer.
Show it going on the ball maybe?
Adjustable wrenches were never ever made to turn a nut/bolt torqued anywhere near as tight as that bolt is and as tight as those bolts should be tightened to. And grade eight bolts can really be tightened to high torques. And for a trailer that size, designed to haul as much weight a trailer like that is made for should be really really tight if you do not want enough slack to allow movement in the hitch assembly. Movement causes wear which causes it to become even looser and cause even more wear.
THAT was painful to watch. You need the high torque 1/2" impact. And you did not get the new hitch tight enough!
How to make a 4 minute video into 12 minutes.
You need a bigger impact
Also
should've bought milwaukee......lol jk