MP7 Problem, Gear Timing

Ronan · July 18th, 2007, 13:30

GO GO THREAD NECROING!

nic_s · January 23rd, 2008, 19:40

I haven't checked this thread in over a year (oops), but the piston spacing thing makes a lot of sense. I have also heard that these guns came from the factory with improper head spacing, resulting in chewed pistons. I'll probably buy an aftermarket piston/head combo, and try that, since I'm kinda getting into airsoft again.

CDN_Stalker · January 23rd, 2008, 22:57

For shits & giggles, doubt it's been mentioned before, but new guns are shipped with the hop up completely off. I only post this because I read "BBs roll out the barrel", classic example of zero hop up.

As far as 'gear timing', when mechbox is open, set the sector gear (the one that pull the piston back) with it's teeth away from the piston. All you need to do. None of this 'one O'clock' stuff, just make sure the teeth are away from the piston and you are good to go.

mcguyver · January 23rd, 2008, 23:33

Stalker, did you ever try to assemble a mechbox with the sector gear engaged with the piston? Just curious to see how long it took to find all the parts on the floor, hehehe!!!

CDN_Stalker · January 24th, 2008, 09:10

Nope, can't say that I have.

Am sure someone out there did though.

(Had to say an oops last night, saw the thread and responses, posted my reply, saw it was an OLD thread. Say oops?)

nic_s · January 25th, 2008, 03:49

Old thread, but still relevant and helpful to me. The hop up was adjusted, and all components, including the magazine, were well lubed.

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January 23rd, 2008, 19:40	#17
nic_s Trader rating Join Date: Oct 2004 Location: BC	I haven't checked this thread in over a year (oops), but the piston spacing thing makes a lot of sense. I have also heard that these guns came from the factory with improper head spacing, resulting in chewed pistons. I'll probably buy an aftermarket piston/head combo, and try that, since I'm kinda getting into airsoft again. __________________ ...and she's terribly partial to the periwinkle blue.

January 23rd, 2008, 22:57	#18
CDN_Stalker Official ASC Bladesmith Trader rating Join Date: Jul 2003 Location: Ottawa, Ont.	For shits & giggles, doubt it's been mentioned before, but new guns are shipped with the hop up completely off. I only post this because I read "BBs roll out the barrel", classic example of zero hop up. As far as 'gear timing', when mechbox is open, set the sector gear (the one that pull the piston back) with it's teeth away from the piston. All you need to do. None of this 'one O'clock' stuff, just make sure the teeth are away from the piston and you are good to go. __________________ STKR Knives http://www.facebook.com/#!/pages/STK...17036668380871

January 23rd, 2008, 23:33	#19
mcguyver Trader rating Join Date: Aug 2005 Location: Northern Alberta	Stalker, did you ever try to assemble a mechbox with the sector gear engaged with the piston? Just curious to see how long it took to find all the parts on the floor, hehehe!!! __________________ Age verifier Northern Alberta Democracy is two wolves and a sheep discussing what's for dinner. Freedom is the wolves limping away while the sheep reloads. Never confuse freedom with democracy.

January 24th, 2008, 09:10	#20
CDN_Stalker Official ASC Bladesmith Trader rating Join Date: Jul 2003 Location: Ottawa, Ont.	Nope, can't say that I have. Am sure someone out there did though. (Had to say an oops last night, saw the thread and responses, posted my reply, saw it was an OLD thread. Say oops?) __________________ STKR Knives http://www.facebook.com/#!/pages/STK...17036668380871

January 25th, 2008, 03:49	#21
nic_s Trader rating Join Date: Oct 2004 Location: BC	Old thread, but still relevant and helpful to me. The hop up was adjusted, and all components, including the magazine, were well lubed. __________________ ...and she's terribly partial to the periwinkle blue.

MP7 Problem, Gear Timing

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