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Quarton Beamshot 400 Disassembly Help

mboessen

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Jun 25, 2025
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Hi, All: New guy. I'm a retired electronics technician. I do a lot of repair work for the USDA wildlife management people. One of the things they do is deal with nuisance wildlife around airports, public buildings, etc. They use lasers in this business, and bring me dead ones for repair. This one won't light. When I turn on the safety key switch, the green power light illuminates. When I push the laser on button nothing happens. When I release it I get a very brief flash of the red indicator next to the green power indicator. New batteries and applying DeOxit to all the contacts didn't help.
Usually I do pretty good on my own, but this BR400 has me a little stumped regarding disassembly. In the bottom of the battery compartment I see a couple of holes that look like they are for a spanner tool, but I worry about twisting the wire to the battery contact if I turn that. The lens has a couple as well. 2 screw holes in the side, but not sure if they are just for fixed mounting? They bottom out in a smooth surface with no fastener drive type of any kind. I'll try to attach some pictures and literature.
Can anyone be of assistance?
 

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Laser bird deterrent, especially for pigeons.🐦‍⬛
400mW green light, nice laser, there are also automatic ones that move depending on where the pigeon lands,
Fire the beam at it and the pigeon flies away. :LOL:
 
mboessen:
Since you are new to LPF you should know that Shadow Lasers aka 3D is an Italian attention whore troll in Italy that has been banned dozens of times using different nicknames and fake personas. He has no real world direct laser experience, knowledge ,or skills beyond pushing the on button on a couple of low cost low quality Chinese pointers.
All he does is copy other peoples information like in the post he just trolled you with which is a completely meaningless nonsense gibberish post with regard to your question. Shadow Laser proves again and again he has nothing to say or do and nobody to say or do it with. He also always proves he has the mentality, emotional maturity, and impulse control of a not too bright 5 to 8 year old.

His troll post on your thread is like asking a question about how to dissemble a car's transmission and the idiot troll posts that "cars have transmissions" as if that is anything other than a demented meaningless troll post. lol

Ron White's observation. "You Can't Fix Stupid"/"Non puoi rimed stupid"which applies 100% to 3D aka Shadow Laser and all of his pretend playtime fake personas and psychotic level attention whore brainless and clueless uneducated moron troll posts. It is worth posting the Ron White clip again.
 
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In Italy the green laser are used for the pigeons for to make them run away and not fill up with guano where they perch and nest!
Get informed before you write you old fool
 
The pigeons and seagulls and all birds that I tried to deter will get up and fly away when I pointed a laser at them but ALLWAYS went back to the spot they were on.

They see the laser coming before its even close to them as I move it up from below as to not hurt their eyes. Wouldn't matter much because i'm aiming from about a 1/2 of a football field away "American Football" and the spot would be 20 feet wide buy the time it reached them.
 
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mboessen:
The quote below is the real face ofpsychotic completely self-absorbed delusional 3D aka Shadow laser who wrote in post #31 of the "Lasers Collection" thread:
"Just for people like you, Alaskan, Unown, and those pieces of shit that were there before and that always and only made fun of me, I had set myself the goal of making you pay one day, that day has come, I made sure that LPF became what it is now.. DEAD, with no one participating anymore, I brought LPF to destruction.. and the blame for all this is only yours and your insults and false ways of doing things..
I am smarter than YOU can think, far from being sick and shit.. I am in excellent health, I made fun of YOU again because that is what you deserve ... you are pieces of shit ...
LPF IS DEAD FOREVER, AND BY MY HAND!
My job is done forever! Now I can enjoy life in your face ...
You are left with a forum torn to pieces.. ahahahahahah"


Shadow Laser is pretending he is not who and what he really is. He proves again and again and again he has nothing to say or do and nobody to say or do it with. He also always proves he has the mentality, emotional maturity, and impulse control of a not too bright 5 to 7 year old + is "insignificant , angry and alone" like all trolls are.
His opinions are meaningless garbage posts as they are just 3D playing pretend. 3D aka Shadow laser's posts are 100% meaningless nonsense troll posts, playing pretend, and devoid of any knowledge , skills or experience. Simply 🤌🍕:poop:
 
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