Coupling Issues

Submitted: Thursday, Jan 23, 2014 at 19:16
ThreadID: 105926 Views:1595 Replies:4 FollowUps:2
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Hi i have been having problems with unhitching my caravan off my truck.
The tow ball on the truck is a 70mm ball which matches the coupling on the caravan,the ball is bigger than normal as the van is 26ft long and weighs 4 ton.
The coupling has an adjusting bolt through the side,which doesn't seem to do much as i have opened and closed it in all positions,when i try to wind it off it lifts the back of the truck up off the ground then it drops.Any feedback would be greatly appreciated.
Cheers
Humpback
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Reply By: Member - Rosco from way back - Thursday, Jan 23, 2014 at 20:11

Thursday, Jan 23, 2014 at 20:11
Mate

I can't help with your particular problem ......... but your choice of thread topic certainly caught my eye.
AnswerID: 525008

Reply By: Ross M - Thursday, Jan 23, 2014 at 21:12

Thursday, Jan 23, 2014 at 21:12
humpback
What do you have to operate to normally get it in or off the ball?

If the slide release isn't withdrawing sufficiently then it will hold the ball in the forward position and it will be hard to uncouple or impossible to get off.
AnswerID: 525012

Reply By: Member - Bruce C (NSW) - Thursday, Jan 23, 2014 at 21:21

Thursday, Jan 23, 2014 at 21:21
Humpback could it be that you have some tension between the truck and van when disconnecting ?.

I sometimes have this and it lifts the car but not off the ground.

Do you have a similar problem hooking up or does it just slip on without much trouble ?.

If it goes on without much trouble you would think it would be the same coming off unless the van is pulling or pushing the truck.

Not familiar with a 70mm ball setup anyway but that is the best I can think of.

Cheers, Bruce.
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restless and lost on a track that I know. HL.

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AnswerID: 525013

Reply By: John E - Friday, Jan 24, 2014 at 00:28

Friday, Jan 24, 2014 at 00:28
Hi ,I have the same set up . Most times it comes off easy . If on sloped or uneven ground ,it sometimes catches. I have found that if I wind down the jack and take some weight off the ball then go and put truck in neutral with handbrake off ,it moves enough to release the ball .
Cheers,
John
AnswerID: 525023

Follow Up By: humpback - Friday, Jan 24, 2014 at 07:45

Friday, Jan 24, 2014 at 07:45
Thankyou everybody that replied it was great feedback,also John E i think we have met you and your wife at Port Wakefield.
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FollowupID: 806896

Follow Up By: Member - Noldi (WA) - Friday, Jan 24, 2014 at 16:10

Friday, Jan 24, 2014 at 16:10
Dare I say it, yep,

maybe a little lubrication might help ;-)
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FollowupID: 806925

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