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KM4A1Gearbox Removal- Help please :(

Disassembly takedown gearbox removal

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#1 terryberry96

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Posted 12 November 2012 - 12:59 PM

So im trying to disassemble and reach my gearbox to do a couple mods and clean it, but i dont know if the pins above the trigger are tight, or if sumems wrong.

I looked up disassembly videos but idont think it applies cause the pin wont move at all...

Please tell me which pins i nee to hit, and if i should hit it harder

#2 terryberry96

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Posted 12 November 2012 - 01:00 PM

Pic of current condition

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#3 o6inferno

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Posted 12 November 2012 - 01:16 PM

the pin you need to remove is the one directly above the trigger, on side is serrated to grip into the body, if its the first time removing it it will be tight but a 1/8 in puck will know it right out

#4 terryberry96

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Posted 12 November 2012 - 01:22 PM

Thank you!
Um... Whats a 1/8 in puck? Sorry im a newb hahahha
Ive been hammering it with a pin

Also ive been haig trouble witht the gun - (the other topic i posted). Any idea on what the problem is..?

#5 o6inferno

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Posted 12 November 2012 - 01:26 PM

sorry typo i meant punch

#6 o6inferno

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Posted 12 November 2012 - 01:28 PM

i looked at your other posts your talking about the gun not shooting?

#7 niko_gpsy

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Posted 12 November 2012 - 02:28 PM

Make sure you are punching it out from the side with the KWA markings.  One end of the pin is serrated and thicker than the other so if you try to punch it out from the wrong side the pin will not come out completely.  And if it's never been disassembled before you will need to give it a good tap to knock the pin loose.

#8 terryberry96

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Posted 13 November 2012 - 06:28 AM

Thank you i was afraid i might break something.the pins are out, buttstock off with buffer tube but the back end seems to be stuck.

And yes. I pull the trigger there is no sound- checked basics such as motor contacts etc. recharged batt but the wire seems warm, but no response when i pull the trigger

#9 o6inferno

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Posted 13 November 2012 - 06:31 PM

i asume the pistol grip if off also the only other thing is to make sure your selector is on semi

#10 terryberry96

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Posted 14 November 2012 - 07:43 AM

What type of screws do i use and mm to take apart the box?

#11 niko_gpsy

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Posted 14 November 2012 - 07:48 AM

Torx driver #10

#12 terryberry96

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Posted 14 November 2012 - 05:41 PM

Thank you





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