CGE leg clamp screw anyone seen this before?
Posted 24 August 2009 - 12:42 PM
Posted 24 August 2009 - 01:50 PM
If it is a thread insert issue, then it might be repaired pretty easily, maybe even reusing the coil that's now on the screw. If you know a machinist/mechanic they could probably fix it for you.
Posted 24 August 2009 - 02:25 PM
Posted 25 August 2009 - 07:58 AM
Posted 25 August 2009 - 08:43 AM
Yes, it is a helical insert. At some point the leg was probably repaired. I checked my own CGE and inserts were not present in any of the legs, so this is something to do with your particular sample.
My guess is that whoever did the repair did not put a drop of locking compound on the insert when they put it into the leg.
You can probably get a replacement at a local hardware store.
The replacement will have a little tab on the end that is used to drive it into the hole, and that tab will have to be broken off after insertion becuase it will obstruct the hole keeping the knob from going in. This can be done usually with a long nose pliers after the coil is inserted to the proper dept. Use a needle nose pliers to turn the coil in, then snap it off. It will be pretty self evident when you find the proper coil size.
Have the RIO leave the light on for you!
Posted 25 August 2009 - 09:02 AM
Clearly either the original hole/thread was done wrong or they couldn't get T handle knobs with the larger diameter thread so after the legs were manufactured they were modified with a Helicoil like insert (likely much cheaper than throwing out a whole run of legs).
Posted 25 August 2009 - 09:44 AM
If your equipment is still under warranty you'll have to think through that stuff. However, if left on your own, I think it would be a relatively easy fix for a machinist familiar with inserts (and who might already have the insertion tools). Inserts are occasionally used in auto engine repairs and you might even find an auto parts place that has inserts & tools available. I'd think the size (internal thread is 3/8-16) would be pretty common.
Posted 25 August 2009 - 02:57 PM
Posted 25 August 2009 - 09:56 PM
At any rate, it doesn't sound hard to fix.