Added: 3 years ago
From: Mechbox6mm
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  • What would happen if i just used white lith grease for everything piston head piston cyclnder and the x rings?

  • @GazIsARM You definitely don't want to do that! The white lithium grease will cause you to lose air seal on the piston head... Stick to the silicone gel for best results. Some people use a heavy-weight silicone oil, but we prefer the gel.

  • what tune up kit was this?

  • My V3 gearbox makes problems....when i want to reassemble it, the cylinder will pop out as soon as i put tension on the spring...

    And i cant really hold it down, while also trying to hold down the Anti Reversal latch and the Trigger (i cant put it in later woithout popping out the ARL again -.-)

  • where do you get the silicon gel?

  • will doing this have any effect on the rate of fire?

  • i remember opening up my friends JLS SCAR. it was the ugliest, lowest quality gearbox i had ever seen. that was tokyo marui compatable that is(LPEGs are worse). there is clear plastic where there should be metal, excessive amounts of grease, etc did you know the spring is attached to the piston with a screw!? so to replace the spring you need a new piston, or vise versa

    btw bushings are different from bearings, thought they serve the same purpose

    and those gears look sexy in all black

  • mmm. bearing sandwitch.

    Also, when shimming you don't really need the anti-reversal latch or the trigger installed - they only complicate closing-opening the box (but don't forget to install them afterwards) when shimming takes a few times. Other than that, good guide!

  • worst gearbox ive ever seen!

  • Any place where something is making contact and generating force, needs lubricating.

  • Thanks, helped alot man

  • It's not as easy as it seems haha. Great guide though, saved me an embarrassing trip.

  • very very gooooooooddd  description

  • lol. apply lubricant gel to the inside of the cylender! Thats what she said!

  • what brand was the tune up kit you installed in this tutorial?

  • My tappet plate keeps on bending and not being pulled back. Does anyone have any ideas. I bought an new SRC M4A1 but i fired 20 rounds then it stoped. I opend it up to see what is going on and i think that the tappet plate is too weak, or the spring on the tappet plate is too strong, does anyone have any ideas?

  • @ben7321 Check the fuse.

  • which way does the spring go in

  • very good vid man......

  • why the piston and the other gears dun need grease?

  • because the piston comes back to turn the gears so u would need to lube it u want it to shoot buttery smooth

  • i dun think u understand my question

  • lol redneck

  • what does he mean by lubricant gel. I know he uses white lithium and silicon gel but which one is it.

  • Lube gel in this case is the silicon gel. I usually refer to any of the gear lube as "grease" vs. gel. -6mm

  • whats the size of bushings of version 2 gearbox? the black gearbox?

  • In this example, they're standard 6mm

  • can we put 7mm bushings instead 6mm in this kind of gearbox? coz i have a jg gearbox, black and the bushings are loose..

  • no usually they are 6mm bushings but just measure it out and see ...but there can be 7mm and also 8mm and sometimes 9mm bushing/bearing in the mechbox's mine has 6mm...but it is better to get bigger mechbox with bigger bushing because of the wear and tear of the gear that will have on the bushings/bearings!

  • Can I use silicone oil instead of lithium grease or other lubricants?

  • Hey i have ordered a M14, i was wondering just so i dont fuck up the inside of it, do i ugrade it exactly the same way as this???

  • Comment removed

  • could someone point me in the direction of a site to turn my semi mechbox v2 back to auto, it came semi and i dont know and carnt find how to do it

  • please make a vid: installing a full tune up kit for a v. 7 gearbox(m14) ! please please thx

  • WOW! This video is Awesome! I wish I knew About this Video before I opened my JG AEG and lost the AntiReversal latch Spring o.0

    Oh, well I have a G&G don't think I need to do anything to it I don't use it much.

    Where can I get a book on AEG upgrades and manteince?

  • Is it okay if we use silicon lubricant on all these parts?

  • uploand on Hd dude

  • will this work the same if i get the Hurricane Tune-Up Kit for MP5

    i have the crossman pulse r72

  • its not worth it on a lpeg and would rather get a new gun

  • good vid, i followed instruction to upgrade my first classic army m15a4, i just lubed gears, and spring, reshimmed, and added 8mm bearings. i was lost and you helped! now i do it as a side job :)

  • woah great video thanks from a german airsoft player =)

  • Great Vid Man!

  • Thankyou v much! Great walkthrough, all I need to do is upgrade my spring and maybe clean up and lube the cylinder!

    Good video

  • Please make one like this about the v.7 gearbox!!!!!!!

    Thanks in advance

  • awesome video first comment yeh!!!!!

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