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Archive 2012 · Tripod ball head dislodged from legs
  
 
zquaratella
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p.1 #1 · p.1 #1 · Tripod ball head dislodged from legs


I just was shooting a film in the backyard with some friends and the tripod head of my Manfrotto 494RC2 popped off of the legs! I cannot figure out how to reattach it. If anyone has any advice, that would be greatly appreciated!

-Zack



Oct 06, 2012 at 11:00 PM
vsg28
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p.1 #2 · p.1 #2 · Tripod ball head dislodged from legs


Pictures would help figure out what happened.


Oct 07, 2012 at 12:46 AM
EB-1
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p.1 #3 · p.1 #3 · Tripod ball head dislodged from legs


3/8" stud sheared off?

EBH



Oct 07, 2012 at 12:52 AM
zquaratella
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p.1 #4 · p.1 #4 · Tripod ball head dislodged from legs


I'm not quite sure if the stud was sheared off, but here's some pictures of the results. From what it looks like online, the mount that is generally attached to the legs is now dislodged and with the ball head.












Oct 07, 2012 at 03:35 AM
dcains
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p.1 #5 · p.1 #5 · Tripod ball head dislodged from legs


I've heard of that happening before with that tripod. Best repair option is to clean the mating surfaces well, rough them up slightly with some coarse emery cloth (or sand paper) and re-attach with JB Weld adhesive. http://www.jbweld.com/product/j-b-weld/ - available at Lowe's, Home Depot, etc.

If you want to do an extra neat job, wrap the column with masking tape, and after the glue has had a short while (15 or 20 minutes) to begin setting up, pull off the tape to remove the extra glue which oozed from the joint.



Oct 07, 2012 at 05:05 AM
sjms
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p.1 #6 · p.1 #6 · Tripod ball head dislodged from legs


before i would do anything i'd CALL manfrotto. as it is a recent model check your warranty

what model tripod is it?

possibly this one?
http://mediacdn.shopatron.com/media/mfg/2747/media_document/live_2/MT293A3_20100909.pdf?1300743323

that is the top of the centerpost (the platform) and your head is still attached to it.

looking up from the bottom (silver) you should see 3 screw ports 120 deg apart on the base outer portion. there should be probably slotted screws in these ports. loosen them and you should be able to take the actual head (black) off of the platform (silver). that will make it easier to work with.

if you are good with tools and have some (metric sockets with extension) it maybe a relatively easy fix. if not see my first line.



Oct 07, 2012 at 12:06 PM
dcains
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p.1 #7 · p.1 #7 · Tripod ball head dislodged from legs


The platform on my 055ProB is assembled the same way, which is to say the platform is a press-fit into the top of the column. I recall seeing a YouTube video of this failure a few years back. I agree that if the tripod is under warranty, let Manfrotto pay, but if not, the JB Weld will do the trick.


Oct 07, 2012 at 02:19 PM
EB-1
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p.1 #8 · p.1 #8 · Tripod ball head dislodged from legs


If the tripod is not under warranty and you don't want to repair it, perhaps the center post is replaceable. The Manfrotto posts are usually too long anyway, and as I recall short posts were available for most column types.

OTOH, perhaps it is time to buy a better tripod.

EBH



Oct 07, 2012 at 03:09 PM
zquaratella
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p.1 #9 · p.1 #9 · Tripod ball head dislodged from legs


The whole issue that I take with repairing the tripod is that I'm afraid this may happen again. If I'm simply reapplying the same epoxy that didn't hold (for whatever reason) yesterday, I don't know if I'll feel confident using it.

I'm going to call Manfrotto to see what their warranty policy is (perhaps this is a known issue with this model) and then if they say I'm out of luck, I may just try to find a new one.

Thanks for your help!



Oct 07, 2012 at 03:21 PM
 

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howardm4
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p.1 #10 · p.1 #10 · Tripod ball head dislodged from legs


did you use JB Weld? correctly? clean surfaces that have been roughed? NOT the 5minute version of JB Weld! correct proportions and mixing?


Oct 07, 2012 at 03:40 PM
zquaratella
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p.1 #11 · p.1 #11 · Tripod ball head dislodged from legs


Does anyone know how this assembly was held in before it became dislodged? Was it JB Weld? If it wasn't, I'd be willing to give this a try to see if it will hold better than whatever the manufacturer offered.


Oct 07, 2012 at 05:13 PM
rchb
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p.1 #12 · p.1 #12 · Tripod ball head dislodged from legs


Hi Zack,

I agree with dcains that itís a press fit from what I can see. It looks like a conical nut/screw inside edge that presses the trifurcated mount against the column walls when the nut/screw is torqued down. If this is the case I believe an extended socket wrench from the bottom of the column will remedy the situation.

Rick



Oct 07, 2012 at 05:20 PM
sjms
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p.1 #13 · p.1 #13 · Tripod ball head dislodged from legs


I do believe you are correct. Strictly mechanical joint.


Oct 07, 2012 at 08:19 PM
dcains
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p.1 #14 · p.1 #14 · Tripod ball head dislodged from legs


sjms wrote:
I do believe you are correct. Strictly mechanical joint.


Agreed, but there's a problem re-assembling as original. The bottom end of the column will be sealed with another press-fit part, so accessing the nut through the column will not be possible without doing some additional damage. And, the thin aluminum at the top of the column is very likely stretched, which is why the two pieces separated. I'd bet that nut isn't loose at all. It's a silly design, not meant to be serviced.

Here's a pic of the short top column section from my 055ProB to illustrate the lack of access to the nut:







So, see what Manfrotto has to say, but if they're not agreeable to a free replacement/repair, I'd go with the JB Weld fix. Properly applied, that adhesive is damn tough to break loose.





Oct 07, 2012 at 11:59 PM
sjms
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p.1 #15 · p.1 #15 · Tripod ball head dislodged from legs


slightly different design. but as you said as an "out of warranty" option it should work as long as all surfaces are prepped properly.


Oct 08, 2012 at 10:35 AM
zquaratella
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p.1 #16 · p.1 #16 · Tripod ball head dislodged from legs


I actually did both - tightened the bolt back down and applied JB weld. A few hours later and it already appears to be good as new. Thanks for the help, everyone!

-Zack



Oct 09, 2012 at 01:50 AM
zquaratella
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p.1 #17 · p.1 #17 · Tripod ball head dislodged from legs


(For what it's worth, the nut was loose)


Oct 09, 2012 at 01:51 AM
sjms
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p.1 #18 · p.1 #18 · Tripod ball head dislodged from legs


yeah, kinda thought so.


Oct 09, 2012 at 01:41 PM





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