Loose thread adapter

Jim White

New Member
Hi All, as I took my new LS out in the field for the first time on friday, I noticed that the thread adapter kept coming loose, allowing the unit to wobble on the pole. I don't want to lock-tite it, and am debating using a brass star washer or lock washer to secure it. Are there other solutions to this? Thanks!
 

Nate The Surveyor

Well-Known Member
Mine did the same thing.
I took a plastic motor oil bottle, cut out a little flat washer, with a 1/4" hole in it. This goes between the adapter, and the LS. Works fine. It may get old and less flexible, but it's served well so far.
Nate
 

Javad

Administrator
Staff member
5PLS
Please send me a photo. Or explain more details for me to understand the problem. Thanks.
 

Jim White

New Member
I am using the thread adapter to connect the LS to my usual survey pole and bipod. The adapter was hand tightened only. The thread adapter is threaded onto a leica style bayonet mount. When I carry the unit over my shoulder between points, the LS spun and loosened itself from thread adapter, so became loose and "wobbly". It did several times over 4 hours. I took Nates suggestion and made a little 1" square out of thin, tough plastic (from a retail blister package), punched a hole in it, and used it as a lock washer. At this time, it seems to be a solution, but the real test will come next week when I am back in the field.
20190407_103609.jpg
20190407_103609.jpg
 

Jim White

New Member
Mine did the same thing.
I took a plastic motor oil bottle, cut out a little flat washer, with a 1/4" hole in it. This goes between the adapter, and the LS. Works fine. It may get old and less flexible, but it's served well so far.
Nate
Thanks Nate, it looks like that makes a good solution!
 

Nate The Surveyor

Well-Known Member
For it to work properly, it should compress just a little.
Perhaps for a long-term solution, machine a groove, into the top of the adapter, and install an O ring. This would allow the O ring to compress, and yet dimensions would be retained.
Our little plastic washers work, but add 1/2 mm or such to the height.
Whatever you use to make plastic washer, should perhaps flex just a little, (when tightened), as this is it's locking mechanism.
N
 
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