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Guide to Camper Trailer Windup-Systems

Article by Peter Smith - Caravans Plus
Read Time: 2 mins

The following photos and descriptions are provided here to assist you to understand how the most common windup system works. This is used in Jayco's, Coromal, Windsor and Goldstream.

Corner 1 - front left hand side

The winch is normally located in the front corner on the door side. The winch height is around 270mm and width at the base, allow 170mm.

Camper Trailer Windup-Systems

Corner 2 - front right hand side

Below: Looking toward the front of the camper, the cables slope down to the offside - max 100mm height required at the corner.

The thick main cable comes from the winch and joins the four smaller corner cables at the harness plate. The two front floor tracks hold the push rods and an end of each cable.

Camper Trailer Windup-Systems
Below: At the same corner, but looking from above. Notice there are also two cables (together) going around the corner pulley to the rear of the camper.

Camper Trailer Windup-Systems

Below: Same corner again, showing how the cables to rear need to avoid the wheel well.

Camper Trailer Windup-Systems

Corner 3 - Rear, right hand side

Below: View from outside, showing inside the wall. The push rod cannot be seen, but it is curving up thru the corner bend (These are now enclosed, tubular bends) into the base of the telescopic arm which is inside the wall.

Camper Trailer Windup-Systems

Below: Same corner from the inside. The twin cables coming from over the wheel well, down to the next corner pulley.

Camper Trailer Windup-Systems

Corner 4 - Rear Left Side

Below: Shows the rear of camper with the floor track ending in the last corner.

The Winch could also be located in this corner, with everything reversed.

Camper Trailer Windup-Systems

Caravans Plus sources the popular repair parts from CAMPER CARE in Melbourne. Trevor Eastman, in Melbourne, operates Camper Care and is happy to assist with Camper Conversion kits to the public, but does not sell single spare parts to the public. As the campers trailers can vary in style and size these kits are put together differently for each camper after the order is placed. Trevor has been working with Camper Trailers for many decades and knows every windup camper trailer model that has ever been sold in Australia.

Please Note: Trevor Eastman's Camper Care has been officially wound up, and Trevor has since retired.

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  • comment-avatar


    Very good visuals here, my 2016 swan had a left front problem outer square tube slid too far entire Spring popped. Does this piece have a plastic insert to stop over extension? Thank you

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    I have the same problem, how do you fix it please

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    How can I get into the cable area from inside the Penguin?

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    Hi I have a Jayco Penguin & was wondering how I maintain the winding system as I was planning a long trip & would hate it if something goes wrong Cheers Di

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    Evan Bult

    Hi I'm having trouble with a 1984 Jayco jayflight pop top the roof has been up for a couple of years and I've tried to lower it the winch works and releases cables but roof is not moving at all I've only just taking pressure off cables about it 2 turn of winch hand I've sprayed wd40 down support arms and tryed pushing them down by hand and still nothing any help would be very appreciated Just bought it a now can't move it

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    Damien Mason

    Hi. I was luck enough to encounter Trevor Eastman in approx 2012. He and I spent several afternoons resolving my camper issues. He drove to Ocean Grove from Melbourne to hand deliver parts and returned again to see my installation as we reinvented/converted an old Sturrey system to something more like a current Jayco. He provided me with so much information. My advise is thus. cut 4 x timber props each as long as the overall extended height of your camper. cut at least another 3 sets of 4 each approx 150 -200 mm shorter. Anything longer than 200 mm will cause the arms to bind under friction...less is best. As the camper roof lowers, use these to safely move the top down to the closed position. Peices of 70x35 timber should allow you to chock it open. My camper was located in a state similar to yours. Using the longest props first, the push rods were removed from the guides to allow the roof to lower. loose cables do not mean that the push rods have retracted. dkm3226@gmail.com if you have other questions about this. regards

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    Doug Vohs

    I have an early 80’s Windsor Sunwagon. The winch handle is on the rear right hand. Any idea how I can access the pulley system in-order to repair it? It’s on the same side as the Pantry.

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    Any info how to wind down a Coromal 423 Wonder will tension up but no down. How do I find winder unit

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    Trying to find the double floor pulley as shown in picture 6 left rear corner. Any one know where to get them?

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    Looking for a roof lifting gear box for a 1976 Chesney pop top

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    Having trouble winding down my roof on a Coromal Silhouette, how do axcess the pulley system.

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    How do I lubricate my 2010 off-road Goldstream Crown Camper Trailer Windup-System. It still works very well.

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