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Old 05-28-2012, 08:54 PM   #15
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Originally Posted by memgrove2000 View Post
On our 72 when the batteries are dead all we do is get the truck close enough to plug the cord into the truck. Instantly we can run the jack. We do this at least three times a year, and yes the kids will leave the lights on(most often in the bathroom).
Same here. It's very simple and it took me seconds to figure it out....
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Old 05-28-2012, 08:56 PM   #16
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Sounds like the best solution is a mechanical jack, but in the meantime I need to make sure I can power it off my truck. Like I mentioned, this didn't work for me the first time I tried, but sounds like I was a little hasty. Thanks for the help. Kris
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Old 05-29-2012, 12:01 AM   #17
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Quote:
Originally Posted by Splitrock View Post
I removed electric jack. I have enough problems without planning for them.

I installed a Front-Facing Sidewind Crank jack.



Bulldog A-Frame Trailer Jack HB-155010

Works every time . . . in the dark, in the rain, with no battery.

`
I did the same. Less is more.
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Old 05-29-2012, 12:18 AM   #18
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Pros & cons with either electric or manual jacks. As an emergency backup, try out the jack you have in your tow vehicle and make sure you can lift the trailer to couple up. Most of us have wood or plastic blocks for various chores around the trailer that could be used if you needed more lift, but I suspect you'll find it works ok. Or, carry a spare jack (like a bottle jack, etc) - will come in handy if you ever have a flat tire.

Just an option to consider
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Old 05-29-2012, 05:37 AM   #19
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Look up online the wiring diagram of a 7-pin trailer connector. Use a voltmeter between the + and - terminals of the connector (about at 10 and 4 going around the connector, respectively). If you get 12 volts there with the truck running, then your charge line is connected and working.
Update: Actual pin location depends (of course) on the orientation of the connector - mine is actually rotated 90 degrees left so that the tab that secures the plug is on the left side. Check a diagram to confirm for your application.

Tom
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Old 05-29-2012, 12:15 PM   #20
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Originally Posted by AWCHIEF View Post
Most (if not all) electric jacks can be operated manualy. It should have come with either a special crank or a socket to use with a ratchet handle.
I'm surprised that everyone seemed to ignore this very sound advice in lieu of finding an electrical alternative. Yes, it does require a lot of cranking - but it works!!!
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Old 05-29-2012, 12:40 PM   #21
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He may not know how to take the motor head off the jack to get to the socket where you plug the handle into.
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Old 05-29-2012, 12:44 PM   #22
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Originally Posted by dwightdi View Post
He may not know how to take the motor head off the jack to get to the socket where you plug the handle into.
That's true. I looked all around and couldn't see where I could manually jack; i figured it may require some dissection.

On the upside, however, I do have an off-road jack I can take along until I get a more definitive solution.
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Old 05-29-2012, 01:27 PM   #23
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He may not know how to take the motor head off the jack to get to the socket where you plug the handle into.
Additionally, my trailer didn't come with the handle for manual cranking. I ordered one "just in case," but have yet to need it.

Personally I feel that if you're batteries are so dead that you can't use the electric jack, you've run the batteries down too far anyway - what's going to happen on the way home if you need that emergency breakaway cable before the batteries get recharged from the TV?

(When I bought my trailer, the PO turned off the master switch before we hit the road, and I was like, "Uh, let's leave that on..." I doubt the emergency trailer brakes are wired through it but I'd rather not find out the hard way that they are.)
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Old 05-29-2012, 02:58 PM   #24
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Additionally, my trailer didn't come with the handle for manual cranking. I ordered one "just in case," but have yet to need it.

Personally I feel that if you're batteries are so dead that you can't use the electric jack, you've run the batteries down too far anyway - what's going to happen on the way home if you need that emergency breakaway cable before the batteries get recharged from the TV?

(When I bought my trailer, the PO turned off the master switch before we hit the road, and I was like, "Uh, let's leave that on..." I doubt the emergency trailer brakes are wired through it but I'd rather not find out the hard way that they are.)
The emergency handle for my jack is built into the head unit. You do need the correct size allen key though to pull off the jack head.

My thought is that activating the brakes via the breakaway cable takes less power than running the jack to lift the trailer. Hopefully not-100%-dead-batteries could do that. But I don't want to test that theory out.

The master switch in my trailer doesn't turn off the power jack. Of course, different strokes for different trailers.

I'm getting a manual jack installed on the trailer this week. Always did fine on the Argosy with it, so it will be fine on the 2007 Safari.

Tom
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Old 05-29-2012, 03:13 PM   #25
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I've never tried to remove the cover and operate my jack manually. I, however, do keep a small hydraulic bottle jack handy and have used that a couple of times when my batteries failed me. Quick and easy. You should always have a few wood blocks around for leveling so use them and the jack and up you go.
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Old 05-29-2012, 03:38 PM   #26
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on most of the newer electric jacks a small circular section of the top [right where the bubble-level is] will 'twist-off' revealing a socket for the manual crank.

you should not have to remove the entire 'head' or do any other major work.

hope this helps.

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Old 05-29-2012, 03:53 PM   #27
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Originally Posted by az-streamer View Post
on most of the newer electric jacks a small circular section of the top [right where the bubble-level is] will 'twist-off' revealing a socket for the manual crank.

you should not have to remove the entire 'head' or do any other major work.

hope this helps.

Attachment 159608
Sort of like the Newbie has clearance problem thread where there were lots of posts telling the OP (with a single axle trailer) that there was no need to jack it to change a flat. Good info, but not sure it applies here.

Since the OP has a 1985 Excella, my guess is that he has one of the H & H jacks that requires removal of the powerhead. That's what I have on my 1983 Excella. I don't have an emergency handle either, but haven't needed it so far. (Have another jack, just in case.) I've attached a pdf of the H & H manual. Hope it helps make things clear.

I wish I had one of the new style jacks myself, but not enough to replace the old one while it is working fine.
Attached Files
File Type: pdf H & H Superjack.pdf (395.1 KB, 44 views)
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Old 05-30-2012, 12:59 AM   #28
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Quote:
Originally Posted by RDM16CCD View Post
Pros & cons with either electric or manual jacks. As an emergency backup, try out the jack you have in your tow vehicle and make sure you can lift the trailer to couple up. Most of us have wood or plastic blocks for various chores around the trailer that could be used if you needed more lift, but I suspect you'll find it works ok. Or, carry a spare jack (like a bottle jack, etc) - will come in handy if you ever have a flat tire.

Just an option to consider
Just out of curiosity, what are the cons of a manual jack?
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