Film on E1e reflector (how do I unscrew bezel?)

Bryan

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I have really enjoyed my LF EO-E1R lamp but I noticed it is adding a hazy film to the reflector after a few minutes of continued use. Is it possible to gain access to the reflector? I tried unscrewing the top part of the bezel but it wasn't happening. Any suggestions would be great, thanks!
 

MarNav1

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I have always had to heat mine first. Then I let it cool off and used pliers and leather
strips and they usually come loose. How to get the film off, I don't know how.
 

kooter

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I boiled mine in water for a few minutes, Then clamped it and used a spanner to undo it. :grin2:
 

65535

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I actually am planning on taking my U2 and cracking the head open (hopefully not literally) I hope it'll come off with either a strap wrench or leather strips, wish me luck.
 

leukos

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I'm interested in picking up a few of those lamps eventually for my E2e. Please keep us posted on the developement of film on the window. Hopefully this is just a malfunctioning lamp....
 

dw51

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I don't think it's a fault with the LF lamps themselves. Some have said here that it may be condensation caused by the amount of heat generated in such a small area. I don't know first hand, I'm just saying what others have. It makes sense.
 

Bryan

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Thanks for the help guys. I'll probably pick up a strap wrench and see if that works (might boil it too).

I did a little searching, and some people developed a haze with the fivemega scorpion socket as well. I never got a haze with the MN01 though. As long as it cleans off (and I can get the top part of the bezel off) I will be happy. The EO-E1R really puts out a lot more light than the MN01!
 

Bryan

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One other thing, the light gets quite warm after a couple minutes of constant use. I'm not sure if I would feel safe running this lamp for the full duration of the cell capacity (and I think it might be too hot for the reflector).

I am curious to see how the higher lumen lamps work with the E2 lights (they use the same reflector, correct?).
 

Mark@LF

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Bryan,

It seems the film (or condensation) is quite a common phenomenon for E1e or E2e reflectors. We bought two E1e and two E2e for testing purposes. Three of the reflectors formed the film on the reflectors even though we used the original Surefire MN01 and MN03 lamp assemblies.

We could not separate the reflector from the bezel even though we have a machine shop in the factory. As a result, we could not clean the reflector surface anyway.

The heat is normal, the MN03 is actually 100 to 110 bulb Lumens output when we measured it under our integrated photosphere and it builds up a lot of heat too. Be careful when you take out the lamp assembly, turn off your flashlight and wait several minutes before you take out the lamp assembly. Otherwise you would burn your hand.

Please refer to the thread of dw51 provided, you may ask Surefire to replace a good bezel as others. I think this may be caused by the bad quality of the orange peel coating and is nothing to do with the size of the reflector. The EO-E1R only produces 90 bulb lumens which is lower output than the MN03. Furthermore, I just don't know why the reflector is so difficult to be taken out.

Mark
 
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David_Web

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IIRC the reflector is a solid peace with the head and thus can not be removed.

I do remember a few threads that talked about a thin film forming on a few e2e but that was a few years ago. Not all had it tho and it should have been fixed by now. Are you sure they are new heads?
I have a vague memory that the film will go away if you vent it out after use while the head is still warm. Worth a try if you don't want to risk scratching the reflector.

BTW now that they are out I have to pick up a few bulbs for my E1W
 

Bryan

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Thanks for the help. I don't want to remove the reflector I just want to gain access to it by unscrewing the head off the bezel. I think the film will wipe right off. I haven't really tried the mentioned methods above as of yet, because I recently acquired the flu and just don't have the energy. I'll try later in the week.
 

Robocop

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My E1E does look like the reflector is a solid part of the actual bezel however I would also like to access the inside of the reflector simply to clean the bottom of my lens. There is a little dust on the underside of the clear lens that just irritates me......I have tried a strap wrench however can not get it to grip very well on the smaller end of the bezel.... It is only a small section that looks to be about 1/4th of an inch.

Does this section come off at all?....It looks to be in 2 parts. I see no way to replace the lens should I break it in the future. I know many who have spoken of how well the loktite or whatever SF uses works so I may not tempt my luck and risk damaging this light.
 

jay33t

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Robocop said:
My E1E does look like the reflector is a solid part of the actual bezel however I would also like to access the inside of the reflector simply to clean the bottom of my lens. There is a little dust on the underside of the clear lens that just irritates me......I have tried a strap wrench however can not get it to grip very well on the smaller end of the bezel.... It is only a small section that looks to be about 1/4th of an inch.

Does this section come off at all?....It looks to be in 2 parts. I see no way to replace the lens should I break it in the future. I know many who have spoken of how well the loktite or whatever SF uses works so I may not tempt my luck and risk damaging this light.


Robocop,
It comes off, I damaged mine doing it, I also cracked the window/clear lens. It has some type of thread locking compound. I was told by Surefire that the reflector is not detachable it is also glued or something to the bezel. I got a replacement from CPF member cbdudley. You might be able to clean the lens by going through the bottom of the bezel after the bulb is taken out and using something like a Q-tip or the like. Good luck
 

Well-Lit

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About a year ago there was a thread, can't remember by who, about opening up Surefire bezels by using fingernail polish and a Q-Tip. I opened two older model KL1 bezels (with fins) applying the polish from a Q-Tip at the seam. I waited approximately one minute and was able to open the bezel with very little effort using a rubber jar opener. I then used the same procedure to open an older L1 model bezel.

I don't know if this will work on an e-series bezel, but I don't see why it wouldn't work. I remember that the OP stated NOT to flood the area with polish, a little goes along way. I have no idea if this procedure would work on newer model bezels.

Bob
 

Well-Lit

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dw51 said:
Is that fingernail polish, or polish remover?

dw51: Sorry, I'm very tired, but yes fingernail polish remover. Thanks for catching that. It's been a while since I opened up the bezels I mentioned. Just remember to use a tooth pick or something similar to get the "sludge" out of the threads. The polish remover seems to melt the sealant used.

I have a few spare e-series bezels, if I have time tomorrow, I'll try to open one up and report back..

Bob
 

Bryan

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I'll give the nail polish remover trick a try. I tried using a Q tip tonight on the sides of the reflector and the film does come off, but I was not able to get a good enough angle (and pressure) to get the job done. Once I crack open the head I'll probably use a cloth for sunglasses or a microfiber cloth that I use for detailing cars.
 

highorder

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acetone, MEK, or 1,1,1,TCE will all soften the threadlocker in the E series bezel. I usually use acetone.
 
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