Treg Hitch

Submitted: Monday, Aug 20, 2007 at 16:50
ThreadID: 48880 Views:3311 Replies:7 FollowUps:8
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Is there a better way to unhitch a caravan coupled with a Treg Hitch than the following:

Lower the jockey wheel and raise the draw bar until pressure has been reduced so that the pin comes out fairly easily. Leave in that position and drive vehicle forward very slowly until the coupling is uncoupled.

When I first tried doing that, the whole van came with me! So I raised the draw bar and drove forward - no good. Then I lowered the draw bar and drove forward until it released. Not the best method that's for sure.

Thanks for any advice.
Peter
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Reply By: pwill - Monday, Aug 20, 2007 at 17:06

Monday, Aug 20, 2007 at 17:06
Hi Peter,
I did three months around Aust. and had no trouble. Depending on your van and set up you should be able to take the weight off the hitch by raiseing the jockey wheel to such a point that you can virtually slide the coupling out. Sounds to me that you do not have the right height set up for this to occurr.
AnswerID: 258112

Follow Up By: pprass - Monday, Aug 20, 2007 at 18:33

Monday, Aug 20, 2007 at 18:33
Thanks - If the way I described the process is the right way then I just didn't have the right height as you say. I'll work on it.
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FollowupID: 519411

Reply By: Olcoolone (SA) - Monday, Aug 20, 2007 at 17:27

Monday, Aug 20, 2007 at 17:27
What sort of jockey wheel, sold rubber or Pneumatic (like a car tyre).

Regards Richard
AnswerID: 258115

Follow Up By: pprass - Monday, Aug 20, 2007 at 18:33

Monday, Aug 20, 2007 at 18:33
It's the new solid type.
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FollowupID: 519413

Reply By: Member - Andrew (QLD) - Monday, Aug 20, 2007 at 17:31

Monday, Aug 20, 2007 at 17:31
Hi Peter,

You sure the problem isn't with the Patrol? LOL

I find that i can move the rubber mount with my fingers when adjusted perfectly....with the added wait of getting back into the vehicle not affecting the process. Have you placed the brakes on the caravan on? I would have thought it wouldn't move then....

Andrew
AnswerID: 258117

Follow Up By: pprass - Monday, Aug 20, 2007 at 18:38

Monday, Aug 20, 2007 at 18:38
Yes the brakes were on full - operating tandem wheels. I couldn't move the rubber mount with my fingers as you say you can - so I must not have the height adjusted properly. Thanks
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FollowupID: 519415

Reply By: Olcoolone (SA) - Monday, Aug 20, 2007 at 19:40

Monday, Aug 20, 2007 at 19:40
Try a pneumatic jockey wheel, they make moving a caravan a lot easier then with a solid wheel.

Regards Richard
AnswerID: 258156

Follow Up By: pprass - Tuesday, Aug 21, 2007 at 13:15

Tuesday, Aug 21, 2007 at 13:15
I have one of those power jocky wheels with a larger diameter pneumatic wheel which I was thinking of using - think I will now. Thanks.
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FollowupID: 519548

Reply By: Member - Kingsley N (SA) - Monday, Aug 20, 2007 at 19:56

Monday, Aug 20, 2007 at 19:56
You should be able to find the sweet spot after winding the jockey wheel down, taking the weight off the hitch. The pin can then be moved up and down by pressing from the top. Remove the safety pin then the main pin. Drive away no more to pay!
The big trap is having the vehicle parked in such a way that the van is pushing or pulling on the pin. The only way to get the pin into the sweet spot then is to apply the brakes on the van and move the vehicle slightly back or forward and hold it with the brakes while your assistant pulls the pin. It would be nearly impossible to do by yourself on sloping ground.

Kingo
AnswerID: 258160

Follow Up By: pprass - Tuesday, Aug 21, 2007 at 13:33

Tuesday, Aug 21, 2007 at 13:33
Good explanation - thanks. I also think that I started to become a bit concerned when I heard a lot of creaking and groaning coming from the van as I was raising the draw bar. I think I stopped winding down prematurely.
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FollowupID: 519553

Reply By: Member - Duncs - Monday, Aug 20, 2007 at 23:22

Monday, Aug 20, 2007 at 23:22
If you watch closely as you wind up the jockey wheel you should be able to see when it comes loose.

I have never had a problem. On a slope I chock the trailer wheels wind up the jockey and rock the car by hand until the pin is loose pull it out and drive away. If the slope is too steep for that I park the car on the hand brake, chock the trailer wheels and raise the jockey as above. Then I get in the car put my foot on the brake to hold it still, release the hand brake, then re-apply the hand brake. This has the affect of walking the car down the hill a fraction taking the weight off the pin. Pull the pin and drive away.

Duncs
AnswerID: 258206

Follow Up By: pprass - Tuesday, Aug 21, 2007 at 13:41

Tuesday, Aug 21, 2007 at 13:41
Another good tip - thanks.
I know what you mean about unhitching on a slope. When I unhitched in our driveway which is quite steep and slopes slightly across to the fence, the draw bar appeared to suddenly move 2 inches to the right of the vehicle hitch when I pulled the pin - as though it was spring loaded!
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FollowupID: 519557

Reply By: Member - Terry G (NSW) - Tuesday, Aug 21, 2007 at 08:18

Tuesday, Aug 21, 2007 at 08:18
Dual wheels? must be quite a heavy rig to be attached by a Treg coupling. Try putting your jockey wheel on a jacking plate before you try to take the strain off the Treg. The ball weight might be such that the jockey wheel is sinking as you jack it up. As stated above it is imperative that the wheels be chocked to prevent any movement in the van while you are unhooking.

tessa
AnswerID: 258227

Follow Up By: pprass - Tuesday, Aug 21, 2007 at 13:29

Tuesday, Aug 21, 2007 at 13:29
Yes - I have noted I need to chock the wheels. The handbreak is not enough.

The van fully loaded is just under 2 tonne. It's a Coromal Pioneer Corvair Offroad. Treg hitch is standard. I think I have seen Treg on Bushtrackers and Trackmasters as well - or maybe a similar looking system.
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FollowupID: 519552

Follow Up By: Member - Terry G (NSW) - Tuesday, Aug 21, 2007 at 21:44

Tuesday, Aug 21, 2007 at 21:44
I'm not being critical of the Treg - they are a very good hitch. But you have to bear in mind that if your van weight is properly distributed you have between 200 and 300kg on the Treg Pin. You don't have a lot of clearance to play with around the Treg block and you have to get the balance just right. I had a Treg on my camper and found that it always helped to keep the pin well lubricated with silicon.
tessa
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FollowupID: 519665

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