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Old 01-30-2018, 12:40 PM   #1
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Hensley spring bar jack

I can't find an old old thread concerning the disassembly of the Hensley jacks. JC must have over-loosened the jacks and one spun off the retaining nut. I cannot remember how they are assembled. Who can refresh me?
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Old 01-30-2018, 09:30 PM   #2
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I don't know - I couldn't find a video either - does this help?

https://hensleymfg.com/wp-content/up...row-Manual.pdf
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Old 01-30-2018, 09:36 PM   #3
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I don't know - I couldn't find a video either - does this help?

https://hensleymfg.com/wp-content/up...row-Manual.pdf
Thanks, but not really. I'm looking for an exploded view of Jack disassembly. Guess I'll just have to dig into it. I think the nut is lost.
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Old 01-31-2018, 05:09 AM   #4
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Thanks, but not really. I'm looking for an exploded view of Jack disassembly. Guess I'll just have to dig into it. I think the nut is lost.
Of course now you will have to post pictures so that when we unscrew ours we know where to look...
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Old 01-31-2018, 05:36 AM   #5
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I believe there is a collar with a set screw toward the top of the jack. The set screw is accessible through the small hole near the top. Allen wrench needed.
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Old 01-31-2018, 07:59 AM   #6
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I believe there is a collar with a set screw toward the top of the jack. The set screw is accessible through the small hole near the top. Allen wrench needed.
I do recall that part. But where is the nut which limits extension travel? I can't remember if it is at the top of the screw shaft or the bottom. I guess I will just disassemble both, clean, inspect and document for posterity.
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Old 01-31-2018, 08:13 AM   #7
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I do recall that part. But where is the nut which limits extension travel? I can't remember if it is at the top of the screw shaft or the bottom. I guess I will just disassemble both, clean, inspect and document for posterity.
Maybe a call to Terry Powell at Hensley could resolve - either through discussion, or maybe he could email you some info?

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Old 01-31-2018, 08:49 AM   #8
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Maybe a call to Terry Powell at Hensley could resolve - either through discussion, or maybe he could email you some info?

Brian.
Sure, but where's the challenge and fun in that?
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Old 01-31-2018, 11:56 AM   #9
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Uggg, didn't have to disassemble very far. Threads are stripped on the bottom of the screw shaft for the stop nut. Appears to have been cross threaded from the factory. No, I don't have a warranty. Bought used and the serial number sticker was long gone. They wouldn't sell me a warranty back in 2011. Jack still works, just falls apart if I lower them too far.

Does anyone have used Jacks they want to sell? PM me. I'll put in classifieds as well.
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Old 01-31-2018, 12:47 PM   #10
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You probably will just need to purchase a new jack. To make the new jack last longer you could pump grease into the small adjustment screw hole to lubricate the threads as I do. Beware if you do this that some small tabs should be welded to the stationary shaft and spinning top so the jack can be pinned in one place otherwise they will unwind as you go down the road. The jacks on my hitch can easily be turned by hand for adjustment.
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Old 01-31-2018, 12:54 PM   #11
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Thanks, crispy. It's not the threads which raise and lower the spring bar tip. On the bottom of that shaft is a smaller diameter threaded tip. On the tip is a washer and a nut. It is there to provide a stop at full extension. I considered chasing the threads and getting a new nut, but the threads are too far gone. The other idea I had was a lock collar, which would set with an allen screw...but there isn't enough room to get to a set screw from the side, as the stop nut is recessed inside the lower tube. Has anyone seen a lock collar which tightens from the bottom.....or parallel to a shaft, rather than perpendicular to a shaft?
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Old 01-31-2018, 01:07 PM   #12
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I have an entire pallet of Arrow parts laying there taking up space.

I'm sure I can find you what you need.


EDIT: PM me your address and I'll send you a jack.


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Old 01-31-2018, 01:12 PM   #13
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I have an entire pallet of Arrow parts laying there taking up space.

I'm sure I can find you what you need.




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Sweet! I'll email you. Thanks!
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Old 01-31-2018, 01:31 PM   #14
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So Sean is sending me the pieces I need off his used parts bench bins! What a guy! That's unusual support and good will from a company that is WAY above and beyond!

I'll be buying a Propride when my HAHA can't be patched together anymore. No question....
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Old 01-31-2018, 01:47 PM   #15
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Originally Posted by dznf0g View Post
So Sean is sending me the pieces I need off his used parts bench bins! What a guy! That's unusual support and good will from a company that is WAY above and beyond!

I'll be buying a Propride when my HAHA can't be patched together anymore. No question....


WAIT!

You mean if I don't send the parts you will buy a new ProPride?

Maybe I should reconsider my business strategy...



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Old 01-31-2018, 01:54 PM   #16
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WAIT!

You mean if I don't send the parts you will buy a new ProPride?

Maybe I should reconsider my business strategy...



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HA! Not when they are just bolt on parts...I'll be buying when I see the somewhat typical head cracks...around the ball mount and especially the spring bar bushing pockets. Worry not, it'll happen. As best Hensley could tell, my unit is a pretty early one. It didn't have a lot of wear when I got it in 2011, but it'll be getting a lot of mile with my upcoming retirement next year. I've put about 30K on it (I run a hubometer) and stuff is wearing...but so far, all maintenance bolt on pieces.
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Old 01-31-2018, 02:01 PM   #17
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HA! Not when they are just bolt on parts...I'll be buying when I see the somewhat typical head cracks...around the ball mount and especially the spring bar bushing pockets. Worry not, it'll happen. As best Hensley could tell, my unit is a pretty early one. It didn't have a lot of wear when I got it in 2011, but it'll be getting a lot of mile with my upcoming retirement next year. I've put about 30K on it (I run a hubometer) and stuff is wearing...but so far, all maintenance bolt on pieces.

Just had to yank your chain...

I sent the older style jacks with the wedge cut bushing so you won't have any frame bracket pin bending. That may be what you already had anyway. The newer jacks have a straight cut on the mounting bushing which applies more bending load and bends the jack pins over time.



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Old 01-31-2018, 02:07 PM   #18
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Just had to yank your chain...

I sent the older style jacks with the wedge cut bushing so you won't have any frame bracket pin bending. That may be what you already had anyway. The newer jacks have a straight cut on the mounting bushing which applies more load and bends the jack pins over time.



-
GREAT! We had an online chat about that issue a long time ago. Mine were the straight cut mounts and you had me cut mine in a wedge. My bracket pin was slightly bent when I got it. The mod worked really well for these past 7 years. No further bending...although I do see some bushing wear on the outside edges. It's hard to keep that lubed properly. The pins must be a hardened material....no wear there.
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Old 01-31-2018, 08:12 PM   #19
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Just had to yank your chain...

I sent the older style jacks with the wedge cut bushing so you won't have any frame bracket pin bending. That may be what you already had anyway. The newer jacks have a straight cut on the mounting bushing which applies more bending load and bends the jack pins over time.

-
Do you have a photo or diagram to illustrate this? I'm not sure what you mean.
I have one of the older Hensleys (we bought it used in '99) so maybe it's already got a wedge cut bushing.

Thanks!
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Old 01-31-2018, 08:25 PM   #20
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Do you have a photo or diagram to illustrate this? I'm not sure what you mean.
I have one of the older Hensleys (we bought it used in '99) so maybe it's already got a wedge cut bushing.

Thanks!

I'm sure yours has the wedge bushing if you purchased it in 99.


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