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Mp5 Disassembly Guide...


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35 replies to this topic

#1 Willby24

Willby24
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Posted 27 February 2007 - 09:48 PM

MP5 DISASSEMBLY GUIDE BY WILLBY24.

Gun used- MP5 A5 by Tokyo Marui

Hello. Well, today I got a few parts of mine that I was going to install into my gun so decided to make a guide, since there is not one yet on ASF. Here we go...


THE GUN-

The MP5 is a somewhat complex gun to take apart, but its certainly not impossible. There are many steps to taking it apart, and I am going to guide you through them.



STEP 1- ACCESSORIES REMOVAL

A good thing to start off with is taking off any scopes, optics, supressors, mags, etc. from the gun. Also, Shoot the gun in semi a few times and unplug the battery. This will make it easier for when you take apart the gearbox.




STEP 2- STOCK REMOVAL


In order to take apart the body of the gun you must take off the stock. First, start with unscrewing the pin and pulling it out-



Next, if you have a the A5 stock, move it to about this position, but not locked in, and pull it backwards-



It can be a bit tough if you have not taken it off before. Also pay close attention to the orientation of the two small pieces that keep the stock from sliding off-



STEP 3- REAR SIGHT REMOVAL

Next, I like to remove the rear sight. First, loosen the screw on the side a bit, but do not take it all the way out, as it is not necessary-



Next, take out the screw in the top completely and the sight should come right off-



STEP 4- COCKING TUBE REMOVAL

The next step is removing the front cocking tube. Start with taking the hop-up lever out. The little rubber ring can be a pain to get out, so I use a knife, it is much easier then using a screw driver-



Now turn the gun over, and take out this screw-



Now, nothing is holding the cocking tube in place. You should be able to simply slide it forward-


Edited by Willby24, 27 February 2007 - 10:13 PM.

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#2 Willby24

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Posted 27 February 2007 - 10:00 PM

STEP 5- BODY PINS REMOVAL

Now your gun should look like this-



Your first step is going to be to unscrew the screw in the selector switch, shown here-



Now pull off that half of the switch, and push the other side down and through the gun with a skinny screwdriver-



Next, Take out the pin in the front of the body. Take after you take out this screw it should slide right out of the other side-



Now you have to take out the mag catch. Unscrew this screw and it should also slide right out-



Here are what the pin and mag catch look like for future reference-



STEP 6- MOTOR REMOVAL

Taking out the motor is a pretty easy step. First, you have to unscrew the two screws in the bottom of the grip. Be careful, these are easy to strip, and if you do you will a hard time getting them back in-



Keep the baseplate and motor height plate together, if you lose these you are pretty much screwed-



Here is the motor inside the gun for future reference and re-assembly-



Unplug the motor clips and take out the motor-


Edited by Willby24, 27 February 2007 - 10:01 PM.

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#3 Willby24

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Posted 27 February 2007 - 10:13 PM

STEP 7- TAKING OFF THE GRIP

Now you have to take off the grip of the gun. Start by taking out the screws at the bottom of the motor housing, shown here-



Now it is unattached from the rest of the gun now, and you can carefully pull it off. Watch for the little black piece that falls out, this is a key component in your selector switch. Do not lose it-



Here it is taken off completely, with the wires still in though-



STEP 8- TAKING APART THE UPPER RECIEVER

On Tokyo Marui's there are 3 screws that must be taken out. Two are in the same place as the hex keys in this picture, and there is another one in the front of the gun. The reason I do not have a third screw is that I have a Classic Army metal body, which does not have the third screw-



Now, simply split the two halves and your gearbox/hop-up are shown and easy to get at-



Before taking out the gearbox be sure to disconnect the wire in the back. This makes it easier to move around-



And Eureka!!! You can now get to your gearbox and do what you wish-



Heres the reason I had to take apart my gearbox-






I hope you enjoyed my review, and if you have any questions feel free to ask!!!
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#4 AlexT

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Posted 27 February 2007 - 10:16 PM

How the heck did that happen to your gearbox a-confused.gif ?
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#5 Willby24

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Posted 27 February 2007 - 10:17 PM

QUOTE (AlexT @ Feb 27 2007, 09:16 PM) <{POST_SNAPBACK}>
How the heck did that happen to your gearbox a-confused.gif ?


Cold weather and an upgraded spring haha... I also had to fix my semi auto function, I forgot to put in the little spring that goes on the selector plate last time I took the gun apart...

Edited by Willby24, 27 February 2007 - 10:20 PM.

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#6 Noobie

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Posted 27 February 2007 - 11:26 PM

Wow, what a pain...

Sorry about your gearbox cracking.. that sucks.

I thought ICS's took down like TM's (I guess not exact clones)

But the upper on mine, slides forward after removing the two main pins..
Then, 2 motor screws & fire mode switch removal free's the gearbox from
the lower...

No need to split the upper body in half like that.

Good pics, nice and clear.

a-thumbsup.gif
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#7 kingsniper123

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Posted 28 February 2007 - 12:37 AM

Nice guide, good pics, short and to the point.
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#8 airsofthawaii

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Posted 03 March 2007 - 12:18 PM

Nice review! I would recommed that you shoot the gun atleast 2 times befor you take it apart. The reason for this is because when the spring has tention on it it could be very dangerouse opening up the gearbox, it is even worse if its a upgraded spring! Also, the spring will were out the inturnals if you don't do that. a-thumbsup.gif
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#9 Nailz

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Posted 15 March 2007 - 05:22 PM

Can someone post the difference between this takedown and that needed for an ICS/AE MP5A4?

PS, Beutiful original post btw. Thank you much.

Edited by Nailz, 15 March 2007 - 05:23 PM.

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#10 Noobie

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Posted 15 March 2007 - 11:58 PM

QUOTE (Nailz @ Mar 15 2007, 02:22 PM) <{POST_SNAPBACK}>
Can someone post the difference between this takedown and that needed for an ICS/AE MP5A4?

PS, Beutiful original post btw. Thank you much.


The lower receiver slides back from the upper.
That means you don't have to split the upper to remove the gearbox.

But if you want to do barrel/hopup work, then you do.
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#11 Blackpig

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Posted 19 March 2007 - 05:07 PM

Just wondering. will this screw up your gun in away way, shape, or form? I want to know before I try. a-grin.gif
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#12 Willby24

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Posted 19 March 2007 - 05:11 PM

QUOTE (Blackpig @ Mar 19 2007, 04:07 PM) <{POST_SNAPBACK}>
Just wondering. will this screw up your gun in away way, shape, or form? I want to know before I try. a-grin.gif


If you follow the guide, and remember where everything goes, then you should be fine. Re-assembly is basically this guide but backwards. If you do happen to harm your gun don't come and tell me that its my fault though...
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#13 nicolie92

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Posted 24 March 2007 - 10:04 PM

QUOTE (Blackpig @ Mar 19 2007, 05:22 PM) <{POST_SNAPBACK}>
O.K. Thank you.


oh, and so if I wanted to pur in a PDI 150% spring upgrade, could I just take out the spring and spring guide, and pop in the new spring and put the old spring guide back in and then just put the gear box lid back on...or is there more to it.
I don't want to hurt my gun (its a ICS mp5)
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#14 savagemic

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Posted 05 June 2007 - 03:46 PM

QUOTE (Willby24 @ Apr 1 2007, 07:27 PM) <{POST_SNAPBACK}>
yup, its as easy as that...

I watched the video for this and It was great help guys if you haven't taken about your aeg before I'd try it but not if it's not broken I'm glad I worked on mine personally that way I atleast learned how to do it...
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#15 a man named lurch

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Posted 03 July 2007 - 05:55 AM

If anyone has trouble reading this guide backwards for putting their mp5 back together, just check out the vids at

www.mechbox.com

That website has gotten me through most all of my gearbox woes...

Edited by a man named lurch, 03 July 2007 - 05:55 AM.

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#16 sstimpsonbase

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Posted 10 July 2007 - 12:48 PM

great guide does this work for JG mp5 clones?
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#17 fastbaltek

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Posted 12 July 2007 - 05:02 AM

I am currently doing that atm and yes it works but splitting youll have a really hard time. I almost broke the body twice ill post pics if I can find my camera.
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#18 fastbaltek

fastbaltek

Posted 12 July 2007 - 04:03 PM



there are 4 pins that make it tough to separate the body. my method when I found that out was to wedge a screw driver as close to the pin as possible and slow work it apart, the one in the mag chamber is really hard to separate in my case. all in all the pins are there for sturdiness which is pretty kool JG is good quality.

btw I worked on the MP5SD6/5 since I swapped the stocks so I could put the battery in the full buttstock. The MP5SD6/5 are identical in a lot of ways except the grip obviously. a-thumbsup.gif
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#19 airsofter27

airsofter27

Posted 18 July 2007 - 04:34 PM

please help me I just took that bottem plate where the moter is just to look at it now when I shoot it somtimes it loud and somtimes I just like whines
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im looking also for mp5 standerd mags or midcaps plus a full mp5 stock
edit:im now looking for aeg under 120 or trade for jg mp5sd6






so u want to buy a WE GBB read this

#20 sstimpsonbase

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Posted 18 July 2007 - 05:50 PM

QUOTE (airsofter27 @ Jul 18 2007, 05:34 PM) <{POST_SNAPBACK}>
please help me I just took that bottem plate where the moter is just to look at it now when I shoot it somtimes it loud and somtimes I just like whines



you might need to take it out again make sure the screws in the pistol grip are tight then put the motor back in making sure everything connects right then when you put the end on make sure both screws are tight.
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#21 fastbaltek

fastbaltek

Posted 19 July 2007 - 12:05 AM

don't forget the motor spacer you NEED that part. its a round disc that allows you to set the spacing with the allen wrench. it might have slid off.
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#22 ftw

ftw

Posted 24 November 2007 - 01:16 PM

sorry for necro posting a-surrender.gif but does the echo/jg mp5j dissassemble like the tm in the topic
looking everywhere for a dissassembly but only found tm guides
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#23 Skully44420

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Posted 02 December 2007 - 11:42 PM

can anybody help me?...I'm taking an echo 1 MP5 apart and I got the 2 screws out for the body but it doesn't want to come apart on the top by the rear site...
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#24 thecrimina1

thecrimina1

Posted 15 December 2007 - 12:41 PM

Alright so like a couple guys I'm wondering how to take apart an Echo 1 mp5 (I'm personally using the vector arms mp5-a4). I've found that unlike the TM model the hop up isn't a rubber circle like in the picture but a lever further back. there's a screw there too and I don't know how to remove the plastic guard sitting there. It seems that if you follow these instructions you may get to the point that this is the only screw left. I'm still looking for visible screws but if anyone with some experience in this comes on please help us.
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#25 thecrimina1

thecrimina1

Posted 17 December 2007 - 07:01 AM

alright I found out how to disassemble an E1 mp5. It's ridiculously tedious. Unlike the ICS body which allows for you to slide the gearbox out from the rear after removing the stock (full or collapsing, doesn't matter), E1 built the body to block that. Take some sort of buffer (I use a screwdriver because the handle is soft on the parts but hard enough to get the job done) and use a hammer (preferably a rubber mallet) to lightly hammer the middle plastic piece between the barrel and the top part. The top will dislodge (the friction on mine was particularly difficult so I didn't notice it before when I tried by hand) and then you can also remove the bottom. Be sure to remove the false cocking lever though. To do that unscrew the screw holding the lever and pull said lever out from the side. Now you can remove the two parts I mentioned. Be careful of the two plastic tubes that will fall out; they encase the fake lever you just removed and must be replaced in the same facing you had before or they won't fit. Now you can get that Darn screw next to the hop up (easily reached on the TM, it seems) and remove the body. The rest of this guide is the same, other than a screw placement (or lack thereof, as I noticed on my own E1).

Edit: on a side note I didn't know at the time of writing this whether or not double posting is not allowed. I just didn't see an edit button on my old post and figured in the interest of improving this thread I could double post.

Edited by thecrimina1, 17 December 2007 - 07:03 AM.

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#26 Team Ghillie

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Posted 10 May 2008 - 04:43 PM

theres something wrong with mine, I took the motor out and put it back in but now whenever I shoot my Mp5 it whine like crazy, I have the little metal circle thing, and the wires are all connected but it still makes a loud whining sound?

any help?
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#27 disinfectant

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Posted 11 May 2008 - 09:34 PM

I also have the vector arms mp5 ras I have been searching this forum for help and I think I may have found it here :]. Okay so could anyone tell me what I need to remove and carefully how to install a tightbore on my mp5? im deathly afraid of killing my hopup or anything else while doing it. And since there are so many topics on the echo1 mp5 maybe someone could post a thread or link on how to disassemble it?
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#28 cocolala

cocolala

Posted 24 May 2008 - 01:16 PM

hey youmight need to adjust the motor so it stops wining, take a hex screw and put it in the little slot on the pistol grip and turn it left and right while firing till the whining stops, hope this helps

cheers!
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This user doesn't get it. You can't advertise items for sale on ASF, without it being in the Buy/Sell/Trade Section. If you have multiple items of the same origin, that would make you a re-seller. And applicable to ASF's seller/sponsor program rules.

Also, Pyrotechnic based airsoft items are NOT allowed on ASF.

This user now has a 100% warning, and is BANNED from ASF.

#29 vietnamesesniper

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Posted 24 June 2008 - 08:19 PM

can one of you guys post a couple pics of where the two pieces in the collapsible stock is supposed to go? When I pulled it off, I pulled way to hard and the pieces just flew out. Thanks people.
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A hardcore airsofter is not always someone who has TMs, camouflage, and all that stuff. A hardcore airsofter can be someone who buys from Big 5, plays in normal clothes, and even has all springers. It all depends on their heart. If you believe this too, put this in your sig.

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#30 purplehazenils

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Posted 21 July 2009 - 11:41 AM

This is a great thread, its really going to help me to upgrade my gun for the first time, thanks. But when you put the upgraded spring into your gun did the new spring fit right into the piston head did you need to do any modefications to make it fit? Or do all springs fit into all guns without any problems? Thanks.
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#31 ktoney83

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Posted 26 November 2009 - 04:55 PM

CAn u tell me what this is and where it goes please? From JG MP5

Attached Files


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#32 Willby24

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Posted 25 January 2010 - 06:12 PM

QUOTE (ktoney83 @ Nov 26 2009, 03:55 PM) <{POST_SNAPBACK}>
CAn u tell me what this is and where it goes please? From JG MP5



That is part of the locking mechanism that keeps the A5 stock from sliding completely off the gun. It's not entirely necessary, but with the small metal spring its pretty simple to figure out how it goes on the gun.

And I'm glad my thread is still helping people, I've since quit and now am re-entering the sport (:
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#33 Dacop

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Posted 17 July 2011 - 09:13 AM

I have an TM MP5A4 that I'm trying to disassemble but there seems to be a problem.

I've done everything up to the part when I'm supposed to slip the cocking mechanism and sights off but I can't, it's stuck somewhere around the front of the gun, around the barrel. What do I do now?

*Edit: There's something that looks like a flash suppressor on the gun, could that be what's causing my problems?

Edited by Dacop, 17 July 2011 - 10:02 AM.

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#34 AHP

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Posted 05 August 2011 - 11:44 AM

QUOTE (Dacop @ Jul 17 2011, 09:13 AM) <{POST_SNAPBACK}>
I have an TM MP5A4 that I'm trying to disassemble but there seems to be a problem.

I've done everything up to the part when I'm supposed to slip the cocking mechanism and sights off but I can't, it's stuck somewhere around the front of the gun, around the barrel. What do I do now?

*Edit: There's something that looks like a flash suppressor on the gun, could that be what's causing my problems?


Can you post a picture? I am going to take a guess but it could be the screws holding the front site on.
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#35 jeremy97

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Posted 09 April 2012 - 07:41 PM

Hi, I'm reassembling my JG MP5 and am wondering where exactly that "key selector piece" that falls out goes? Thanks in advance.
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#36 alberty

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Posted 10 April 2012 - 01:26 AM

QUOTE (jeremy97 @ Apr 9 2012, 08:41 PM) <{POST_SNAPBACK}>
Hi, I'm reassembling my JG MP5 and am wondering where exactly that "key selector piece" that falls out goes? Thanks in advance.


Please check the date before posting, this thread is about a year old. You should first try messaging the OP when the thread is that old or older.

To answer your question, that piece goes into the left-side selector switch hole in the lower receiver.
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