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Old 01-28-2016, 06:20 PM   #1
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1997 30' Excella
Corpus Christi , Texas
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Hensley hitch arm fell out

After we arrived home from a trip, the left arm fell out of the Hensley hitch. My hubby puts the bolt back in and tightens it, but when he moves the hitch, the arm falls out. Help! Any advice?
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Old 01-28-2016, 07:04 PM   #2
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1994 30' Excella
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I assume you mean one of the weight distributing bars. There is a zerk(grease fitting with a projecting pin that holds the bar in. If it has worn down the bar will fall out. Just order a new set of those.
Al
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Old 01-28-2016, 07:41 PM   #3
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Yep what bigal said!
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Old 01-28-2016, 07:47 PM   #4
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Read the manual! They talk about this...
Both of mine fell out first time. 1/2 of a turn of the grease fitting (after loosening the lock nut) resolved the issue...
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Old 01-29-2016, 06:21 AM   #5
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Zanadude Nebula , WNY
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Wink From the haha manual......

"If the bar falls out, you may need to adjust the retainer pin in increments of 1/2 turn at a time and retry. Do not screw the threaded bushing too far into the hole as damage can occur to the retainer pin when towing. Finally connect the lower jack pin to the spring bar U- Bracket to secure. Repeat these steps for the 2nd bar
"

  
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Old 01-29-2016, 06:32 AM   #6
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Thank you!

We did not buy/install hitch. It came with our rig. So no manual. An Internet search turned up a pdf manual. It sounds like a grease fitting. Will diagnose and get back to you!!
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Old 01-29-2016, 07:04 AM   #7
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I will admit it is an odd little setup...
It works well once you understand it though!
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Old 01-29-2016, 07:42 AM   #8
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Quote:
Originally Posted by Knudsvig View Post
We did not buy/install hitch. It came with our rig. So no manual. An Internet search turned up a pdf manual. It sounds like a grease fitting. Will diagnose and get back to you!!
You may notice also that Hensley recommend applying grease to the spring bar grease fittings every 500 miles or so (I think from memory it is 500.)

I usually try to follow that recommendation fairly closely, although it seems a bit much.

It is a bit of a messy job, and I found the best thing to do is to carry the grease gun along with spare cartridges and clean up rags in a dedicated plastic tool box so that grease and oil doesn't get all over everything in the truck! Oil will leak from the grease gun on a hot day!

You continue greasing until you see the grease squeezing out of the spring bar bushing under the hitch - it is well to clean up the grease that squeezes out, or eventually it gets all over the safety chains, and generally makes a mess!

A minor disadvantage of using a Hensley hitch - but much outweighed by the benefits I think!


Brian.
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Old 01-29-2016, 08:06 AM   #9
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I had the same problem and now carry a spare grease zerk and set screws.
As regular maintenance check the set screws, I once had one fall out.of the screw arms.
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Old 01-29-2016, 08:18 AM   #10
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I actually poured through the MaMaster Carr catalog and found some inexpensive fittings from which I removed the "nipple" so I could reuse the HAHA housing. IIRC, it was about $3 each for the modified nipples as apposed to $12 or $16 for the HAHA assemblies. I wish Hensley would sell the nipples separately, as that is all that wears. The McMaster work-around nipples are a bit shorter than the Hensley ones, but work fine. I made and carry a half dozen or so,.

Here is the page I got them from :

http://www.mcmaster.com/#standard-sp...ngers/=10w56ct

But I don't remember which spec I used....I would have to really dig to see if I still have the receipt.

It is necessary to cut a groove in the base of the nipple to allow grease to get to the pin and groove in the WD spring. Just a little dremmel wheel cut gets that done.
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Old 01-29-2016, 08:21 AM   #11
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Thumbs up Another reason....

Quote:
Originally Posted by Wingeezer View Post
You may notice also that Hensley recommend applying grease to the spring bar grease fittings every 500 miles or so (I think from memory it is 500.)

I usually try to follow that recommendation fairly closely, although it seems a bit much.

It is a bit of a messy job, and I found the best thing to do is to carry the grease gun along with spare cartridges and clean up rags in a dedicated plastic tool box so that grease and oil doesn't get all over everything in the truck! Oil will leak from the grease gun on a hot day!

You continue greasing until you see the grease squeezing out of the spring bar bushing under the hitch - it is well to clean up the grease that squeezes out, or eventually it gets all over the safety chains, and generally makes a mess!

A minor disadvantage of using a Hensley hitch - but much outweighed by the benefits I think!


Brian.
Quote:
Originally Posted by dougandlori View Post
I had the same problem and now carry a spare grease zerk and set screws.
As regular maintenance check the set screws, I once had one fall out.of the screw arms.
......for a complete service at your Spring Get-Ready.


Bob
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Old 01-29-2016, 08:37 AM   #12
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Quote:
Originally Posted by dznf0g View Post
I actually poured through the MaMaster Carr catalog and found some inexpensive fittings from which I removed the "nipple" so I could reuse the HAHA housing. IIRC, it was about $3 each for the modified nipples as apposed to $12 or $16 for the HAHA assemblies. I wish Hensley would sell the nipples separately, as that is all that wears. The McMaster work-around nipples are a bit shorter than the Hensley ones, but work fine. I made and carry a half dozen or so,.

Here is the page I got them from :

http://www.mcmaster.com/#standard-sp...ngers/=10w56ct

But I don't remember which spec I used....I would have to really dig to see if I still have the receipt.

It is necessary to cut a groove in the base of the nipple to allow grease to get to the pin and groove in the WD spring. Just a little dremmel wheel cut gets that done.

I did the same thing - carry spare McMaster Carr modified editions. I think Hensley could have engineered this aspect of the hitch better.
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1994 Classic 30'11" Excella - rear twin
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Old 01-29-2016, 02:27 PM   #13
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You can also ask these types of questions at Hensley's 800# & do download & print the manual for keeping in the trailer.

Also, they're Lifetime warrantied - so be careful about not adding parts not from them, which could void the warranty. Not sure if you're the original or subsequent owner.

If this was on the trailer from a prior owner, Hensley also has a process to transfer the lifetime warranty to you for a modest fee &/or to send the hitch in for them to refurb it & add the lifetime warranty for you as new owners (a member on here recently did this on buying a used one) - at their recco & your choice.

Talk to Terry Powell at Hensley & he can guide you on which is best.

Also, do the recco'd maintenance items in their manual - including grease as noted above, but also to re-torque the 4 bolts at each rear bracket on both sides jack/spring bar mounting brackets.

You can try adjusting the grease Zereks as noted in prior posts & in their manual to see if it resolves the problem.

Good Luck!
Tom
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Old 01-29-2016, 03:08 PM   #14
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Yeah, I have no warranty. Bought used and the serial # sticker was long gone.
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