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Old 11-24-2013, 07:58 AM   #1
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1973 27' Overlander
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Jack Broken, can't get on the road!

Does anybody know if this jack has a "manual mode"? I know some of the more modern electric jacks will allow you to insert a handle some place in case of failure, but this is the one that came with camper--in 1973.

Couple pictures.

Thanks gang!

Jim
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Old 11-24-2013, 08:02 AM   #2
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Use your vehicle's jack to get the trailer on the hitch.

Without the weight of the trailer on it, one might be able to retract it by hand to travel.

Or simply unbolt the entire thing from the tongue and remove it.


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JD
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Old 11-24-2013, 08:10 AM   #3
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Jack problems

Try to turn the nut on the top, that should work. My jack needs a 9/16 socket to do this.
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Old 11-24-2013, 08:36 AM   #4
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You might be able to use an electric drill with a socket to drive it up and down till you can get it replaced or repaired properly.

Perry
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Old 11-24-2013, 08:38 AM   #5
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Jim,

Take the motor head off, the shaft underneath should turn.
Look for a wench like this.

A large screwdriver would also work.

Bob
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Old 11-24-2013, 09:03 AM   #6
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Hi Jim,
Bummer. I had this happen in the middle of a summer trip. Luckily it was in Denver, CO and I wasn't far from a Camping World to get a manually operated jack. I tried to get the old electric jack to operate manually,but I wasn't successful. I think you'd be best off to jack it up with a bottle jack, remove the old electric jack, make a trip to Tractor Supply for a new manual jack, install it and be on your way. Good luck!
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Old 11-24-2013, 09:19 AM   #7
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Quote:
Originally Posted by ROBERT CROSS View Post
Jim,

Take the motor head off, the shaft underneath should turn.
Look for a wench like this.

A large screwdriver would also work.

Bob
Motor head off, used crowbar to turn the shaft. Guess how I figured it out? I looked in the shop manual. DOH! if all else fails, RTFM.

Thanks everybody, once again, for all the great tips.

Jim
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Old 11-24-2013, 10:24 AM   #8
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You might want to try powering that jack directly from a 12v battery.


I had problems with mine (looked very much like yours and had no provision for manual operation).

At first I measured voltage coming from the trailer and it seemed ok. I checked the switch as well and it seemed fine. Then I notices that when I would try to switch the jack on, it would not work and also the small light on the jack would go out.

I then tried wiring a battery directly to the jack and found that it worked fine.

Turned out that the problem was a very poor ground to the jack. The ground connection was good enough to show voltage at the jack, but not good enough to pass enough current to run the jack motor.

New ground connection and problem solved!

If that isn't the problem, I would just raise the trailer tongue with a bottle jack and remove the trailer jack so you can replace it.


Brian
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Old 11-24-2013, 10:29 AM   #9
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That jack probably has a seized motor. It looks like there has been a lot of water and no maintenance for 40yrs. I am sure it can be fixed with a little TLC. Even if there is a wiring problem that jack needs some R&R.

Perry
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Old 11-24-2013, 11:38 AM   #10
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This is why everything leaving my shop has a sidewinder….
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Old 11-24-2013, 12:04 PM   #11
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This is why everything leaving my shop has a sidewinder….
Any particular one, Frank? Thinking about changing mine with the top crank that is always in the way.

Sorry for the semi hijack.

-steve
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Old 11-24-2013, 12:52 PM   #12
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I use the BAL sidewinder usually. #1000 or #2000 depending on the trailer.
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Old 11-24-2013, 02:14 PM   #13
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Thanks, Frank.
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Old 11-25-2013, 02:43 PM   #14
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Just wanted to say thanks again for all of the suggestions. The problem with the jack is that one of the gears is stripped. The gear that sits between the electric motor and the main shaft is toast. Unbelievably, it's not made of metal. It's made out of a composite material (that I can't remember the name of) ;that I've seen in other places on the camper.....the electrical wall outlet boxes for example. Equally unbelievable to me is that it lasted 40 plus years. I'm going to poke around a little and see if I can find that gear anywhere, but bet it's a lost cause. The part numbers are actually in the shop manual.

Frank, what sidewinder would you recommend for this camper? It's a '73 Overlander that has a dry weight of about 4500 lbs. Max loaded about 6000 lbs.

I priced both new electric and simple mechanical today at a local RV place. Hand crank runs around $50. New electric models start around $200 and go up from there. Simple sounds good right now.

Jim
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