Post by Roger Monk on Feb 2, 2015 20:01:16 GMT -5
I'm not new to teching my own airsoft guns but I have run into a major problem on one of my VFC gearboxes and need some input. Here is the story, I have a VFC 416 and M4, so the gearbox shell in my 416 broke and I replaced it with the shell in my M4 because I stripped the piston in my M4 and was going to have to do tech work on it anyway. I bought a slightly used shell off someone else (this could be the problem) and decided that I was going to put some new gears and a Super shooter pistion in the gear box whitch is what I use in my 416. Well even before I could put in the new gears and piston I wanted to use my M4 at a local game, so I used some JG gears and an extra piston I had laying around. I shimmed the gears very well, lubed it up and tested the gearbox but it kept stoping half way or all the way back. I was using a JG blue motor so I know it has plently of torque to pull the spring. Then I decided to hold off on the project and waited for my new gears and piston. Now the gearbox has a corrected AOE and I had already cut the second tooth out in my new piston. After droping it in I noticed the gearbox would close so I took a look and saw the piston was rubbing on the sector gear and the teeth on the sector gear weren't "meshing" properly, there was a lot of friction. I decided to close the gearbox up with just the gears in it and slid the old piston in and it moved fine. I then used the older piston I had and put everything back together, but this time the gearbox still locked up at halfway.
So the cause CAN'T be:
-The motor
-The piston
-Missed shimmed gears
-The kind of gears
What I still think it CAN be:
-The tappet plate
-The gearbox shell it's self
-Maybe the trigger hitting the sector gear?
-What ever you guys come up with
Let me know what you think!
EDIT: I would also like to mention that everytime the gearbox lockes up is when the tappet plate is all the way back. I am thinking that it could be the new gears and the original tappet plate may not be working well together.
So the cause CAN'T be:
-The motor
-The piston
-Missed shimmed gears
-The kind of gears
What I still think it CAN be:
-The tappet plate
-The gearbox shell it's self
-Maybe the trigger hitting the sector gear?
-What ever you guys come up with
Let me know what you think!
EDIT: I would also like to mention that everytime the gearbox lockes up is when the tappet plate is all the way back. I am thinking that it could be the new gears and the original tappet plate may not be working well together.