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Old 08-05-2012, 12:46 PM   #1
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New Guy WD hitch ????

Yesterday, I took my TT to an empty, level parking lot and took some measurements. Coupler (I think that's what it's called) on the trailer is 21" from the ground. Top of receiver height is 17.5" (not the top of the hitch ball). Then I hooked back up as I usually do. Notice I didn't say normally, because nothing I do is normal!
Oh yeah question.
When I hook up my Draw-Tite WD hitch the measurement to truck body over my rear wheel drops 1.25" but the measurement over the front wheel is unchanged. Something ain't right, right?
Like the ball on the truck needs to come up about 4" I think.
My WD set up is one with chain to make the connection. How long should the chain be? I mean how many links up from the bar? Or is it trial and error?
Looking for some advice, please and thanks.
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Old 08-05-2012, 01:24 PM   #2
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We are glad you joined us. I am sorry I can't help you with your question as I have never owned a TT. I am sure will will receive some answers to your questions. Post often and share your RV adventures with us.

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Old 08-05-2012, 10:36 PM   #3
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Hi Tom, welcome to the forum.
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Old 08-08-2012, 10:06 AM   #4
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Tom - welcome to the board.

I am no expert in this. But, typically you hook up onto the 3rd or 4th link.

The question i have is - is the trailer and TV near level when hooked up? If your level heights are 18 and 21 inches, then you probably need to raise the ball height up a few inches.
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Old 08-08-2012, 10:45 AM   #5
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With trailer level (measure bottom of frame front and rear of trailer if you don't have a level) take note of height of coupler where the ball would be. Adjust ball height about 1 or 1.5 inches higher while disconnected. Take note of tow vehicles height front and rear - center of wheel on fender is good place to measure.
Raise trailer to connect TV, lower trailer on ball but DO NOT put weight on TV yet.
Put WD bars on and pull them up by hand, the snap up piece on the frame of trailer should be halfway down, pull up the chain and the link that matches there or the next one should be the correct one to start out with. Snap it up on both sides, raise trailer jack to travel position and check - trailer for level, drop in TV height front and rear. TV squat should be close to same front and rear. Snap up chains by 1 more or 1 less for slight adjustment if necessary. For more adjustment, adjust the angle of the hitch head back to increase the amount of torsion applied to front of TV.
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Old 08-09-2012, 07:11 AM   #6
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For more adjustment, adjust the angle of the hitch head back to increase the amount of torsion applied to front of TV.
I have the opposite problem. When hooked up I have 35% of the hitch weight on the front axle of the TV but only 21 percent on the trailer axles. So to move some of the weight from the front axle to the trailer axles I need to adjust angle of the hitch head up/forward?
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Old 08-09-2012, 12:14 PM   #7
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I have the opposite problem. When hooked up I have 35% of the hitch weight on the front axle of the TV but only 21 percent on the trailer axles. So to move some of the weight from the front axle to the trailer axles I need to adjust angle of the hitch head up/forward?
Try one link longer on the chain first. If that moves too much off the front axle of the TV, then try one notch angle adjustment on hitch head.
All the different adjustments - angle, height, and lenght of chains work together. My directions for my Reese say this is a starting point and fine tuning by trial will get you where you need it. I say get close - because each time you load a TT the weight will be slightly different. Also, as you drive, fuel weight decreases and weights change.
There is no perfect set up.
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Old 08-27-2012, 12:00 PM   #8
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For those who are in need of hitch, you can dig in this site:
Largo, FL Trailer Hitch - 5th Wheel Hitch - Trailer Parts
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Old 08-27-2012, 12:34 PM   #9
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The WD bars shopuld be nearly paralle to the ground when hitched. This is usually 5 or 6 links under tension. Go by links under tension and not hanging free.

Set the trailer level and measure to the top of the coupler.

With the truck setting on level ground, set the top of the hitch ball to be about 1/2" to 1" higher than the trailer coupler. Connect the trailer and set the chains starting at 5 or 6 links and the WD bars parallel to the ground.

Measure the truck fender wells with it unloaded. Now hitch and set the chains. The truck should squat about the same amount front and rear. If it is all rear squat, pull up one link on the chains. If the front squats morem, one less link on the chain.

For a finer tuning and getting the bars parallel to the bround tilt the hitch head back to drop the bars and have longer chains. Tilt back toward the truck for short chains.

This takes some time, especially the first time you go through the procedure. Have the trailer and truck loaded as for a normal type trip.

That is the basics. The manual on the hitch should have some nice photos and diagrams and a full explaination.

Ken
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