Take the camera gear off first (just in case !). See if you can get some very fine lubricant (WD40 or similar) onto the thread of the adjuster, then using a wrench VERY CAREFULLY try to free it. If this doesn't work, then it may need a trip to a repair centre.
SOURCE: Manfrotto Tripod Ball-grip Head 322RC2
If you look on the ring that goes around the ball, on the side by the red tension gauge, you'll see an indentation. It is just barely visible on the product shot above.
In the hole, you'll find what looks like an odd shaped bolt. It is actually a threaded post inside a nut.
Use an Allen wrench (hex key) to tighten this post.
Be careful though, a little tension here goes a long way. You should probably turn it no more than 1/8 to 1/4 turn and then test it. If it still isn't tight enough, repeat until you are satisfied.
You should probably also talk to a trained technician at somepoint to see if the loosening is indicative of a larger problem. I really wouldn't know one way or the other. I just discovered the calibration post by taking mine apart.
SOURCE: bogen head slips
I"ve owned four pistol grip heads, and eventually they all do this. They simple wear out.
You can send it to Bogen, and for about $35, they'll ship you a reconditioned replacement.
Check the Bogen website for details
SOURCE: I have a Gitzo Series
There is no way to fix this without replace this part; I suggest visit the next links to look tha correct part replacement or ask about this...
- markins.com/2.0/eng/products/ballheads/m10
- markinsamerica.com/MA5/category.php?req=1
- markinseurope.com/en/product
Hope helps.
SOURCE: My 322RC2 Grip Action Ball Quick Release has lost
I had the same problem and found the solution after much looking online. Use rubbing alcohol to clean the ball! This works even with the ball in place as long as you rotate the head around to reach all surfaces of the ball. Note that many suggestions to tighten the Allen screw at the base of grip clamp or to roll the wheel to its tightest position do not work because they affect the amount of effort you need to squeeze the clamp, and not specifically the amount of friction between the ball itself and the head. Over time the ball loses it's grip but rubbing alcohol removes finger oils, dust, airborne pollution, etc. After wiping with rubbing alcohol, my ten year old head is now as tight as the day I bought it! Hope this works for you.
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