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Noob ICS upper and lower question


notaclue
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Okay so teeth shot on upper piston. (ICS M4)

 

Happy to assemble new upper gearbox etc.

 

My noob question is what position do / does the lower gearbox teeth need to be in when reassembling?

 

I know these can rotate / function while the gun is in two parts (so to speak) and I don't want to put the upper and lower back together with lower gearbox in wrong place / rotation. Any ideas or suggestions or doesn't it matter?

 

Please note the world of internals are new to me - have managed a hope change and assembly then the upper gearbox - just want to get it returned in right position!

 

Thanks

 

(ps any pics of the correct position would be a massive help!)

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I "think" it has to park in semi - no gears showing on sector gear when reassembling 2 parts

 

BUT best google it coz my manual/gun is packed away and can't be ar$ed to dig it out

(the manual & dvd & god knows what else)

 

http://www.icsbb.com/web_e/html/05_multimedia/download.aspx

 

best see if you can grab manual for ya model - better safe than sorry

according to the pdf of my M4A1 - no gears showing on sector gear as I thought

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No teeth pointing up :) Just put it in semi and pull the trigger until they spin into that position. If the teeth are pointing up, you can't close the receiver unless you force it - so if it doesn't close easily check where the teeth are.

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