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PostPosted: Mon Jul 08, 2013 10:14 pm 
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Joined: Fri Dec 30, 2011 8:43 pm
Posts: 545
Location: British Columbia
went out today target shooting and out of the blue i hear a release of Co2 which at this point was nearly spent. Inserted a new powerlet and as soon as i pierced the damn thing, the entire Co2 shoots out the barrel?? what the...............???????????????????

so, what exactly went wrong here and how can i fit it.....or can it be fixed?

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Blackhawk w/6x32 bugbuster
PRO77 ~ Rebuilt
M4177 TAC (4x32 scope, Laser sight, Flashlight)
Steel storm SMG
MP5 k-PDW SMG TAC (Shoulder strap & 1x30 RDS)
357-Six with custom wood grips
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PostPosted: Tue Jul 09, 2013 1:06 am 
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Location: British Columbia
no help? :rolleyes:

why would all of a sudden the powerlet discharge itself through the barrel of this pistol?
and can it be rebuilt/repaired?


thanks in advance, id love to fix this one...only Crosman i truelt love! :rolleyes: :drinkers:

_________________

Blackhawk w/6x32 bugbuster
PRO77 ~ Rebuilt
M4177 TAC (4x32 scope, Laser sight, Flashlight)
Steel storm SMG
MP5 k-PDW SMG TAC (Shoulder strap & 1x30 RDS)
357-Six with custom wood grips
C31
GSG92 - Stripped & Polished


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PostPosted: Tue Jul 09, 2013 9:19 am 
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Joined: Sat Nov 06, 2010 8:53 am
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Location: Montreal
Do you oil every powerlet before piercing them? The seals seem to be shot.

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You can’t buy a single airgun for everything. Golfers use many different clubs, airgunners need more than one gun


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PostPosted: Tue Jul 09, 2013 9:49 am 
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Joined: Fri Dec 30, 2011 8:43 pm
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Location: British Columbia
yes, i use pelgunoil on each powerlet but its not coming from the chamber the cylinder rests within....its blasting out the barrel end of the pistol.

frickin wiered ll i know! :|

_________________

Blackhawk w/6x32 bugbuster
PRO77 ~ Rebuilt
M4177 TAC (4x32 scope, Laser sight, Flashlight)
Steel storm SMG
MP5 k-PDW SMG TAC (Shoulder strap & 1x30 RDS)
357-Six with custom wood grips
C31
GSG92 - Stripped & Polished


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PostPosted: Tue Jul 09, 2013 10:16 am 
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Joined: Mon Feb 11, 2013 12:46 am
Posts: 4114
sounds like your inlet seals or o-rings are shot

A fast leak is always a bad seal for a Crosman Pro77.
You can return the gun for a replacement or a refund. Unless your good at dismantling and working on them If your not comfortable doing so then dont bother try and return it.

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PostPosted: Tue Jul 09, 2013 10:23 am 
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Location: British Columbia
damn...not what i wanted to hear but ill have to buy a new one, cuz this one is modded at the slide. although i hate crosman i do like this pro77 for its weight and blowback action!

any other blowback id like rather than this pistol is a gsg92 but nobody sells it here?

_________________

Blackhawk w/6x32 bugbuster
PRO77 ~ Rebuilt
M4177 TAC (4x32 scope, Laser sight, Flashlight)
Steel storm SMG
MP5 k-PDW SMG TAC (Shoulder strap & 1x30 RDS)
357-Six with custom wood grips
C31
GSG92 - Stripped & Polished


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 Profile  
 
PostPosted: Tue Jul 09, 2013 10:33 am 
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Joined: Mon Feb 11, 2013 12:46 am
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Sorry bud, if you where close I'd have a look at it for you for free but I dont think its worth the shipping back n forth. :wink

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PostPosted: Tue Jul 09, 2013 11:25 am 
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Joined: Fri Dec 30, 2011 8:43 pm
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Location: British Columbia
thanks anyhow!
decided to go for a gsg92 on the forums instead.

id love to get my grubby hands on one. :mrgreen:

_________________

Blackhawk w/6x32 bugbuster
PRO77 ~ Rebuilt
M4177 TAC (4x32 scope, Laser sight, Flashlight)
Steel storm SMG
MP5 k-PDW SMG TAC (Shoulder strap & 1x30 RDS)
357-Six with custom wood grips
C31
GSG92 - Stripped & Polished


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PostPosted: Fri Jul 12, 2013 6:56 pm 
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Joined: Fri Dec 30, 2011 8:43 pm
Posts: 545
Location: British Columbia
got lookin at this pistol again....
as soon as you pierce the Co2 powerlet, the slide slams back and the Co2 shoots out the barrel as i stated but....is this rebuildable and can a noob do it?

even better would be a tutorial if one is available.

_________________

Blackhawk w/6x32 bugbuster
PRO77 ~ Rebuilt
M4177 TAC (4x32 scope, Laser sight, Flashlight)
Steel storm SMG
MP5 k-PDW SMG TAC (Shoulder strap & 1x30 RDS)
357-Six with custom wood grips
C31
GSG92 - Stripped & Polished


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 Profile  
 
PostPosted: Tue Jul 16, 2013 1:32 am 
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Joined: Fri Dec 30, 2011 8:43 pm
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Location: British Columbia
so....

went out and got myself a new PRO77 days ago, and this one is a POS?
thing jams up....when it does manage to shoot after kicking the slide back, it fires all over the map. And testing it with a chrony shows it is well below what it claims for velocity @ 256fps average?

i have lost ALL faith in Crosman and will not purchase another!!

:butthead: CROSMAN

_________________

Blackhawk w/6x32 bugbuster
PRO77 ~ Rebuilt
M4177 TAC (4x32 scope, Laser sight, Flashlight)
Steel storm SMG
MP5 k-PDW SMG TAC (Shoulder strap & 1x30 RDS)
357-Six with custom wood grips
C31
GSG92 - Stripped & Polished


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 Profile  
 
PostPosted: Tue Jul 16, 2013 6:10 am 
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Joined: Sat Nov 06, 2010 8:53 am
Posts: 6466
Location: Montreal
:roll:

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Facebook is like ancient Egypt, people write on walls and worship cats

You can’t buy a single airgun for everything. Golfers use many different clubs, airgunners need more than one gun


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PostPosted: Wed Jul 17, 2013 3:18 pm 
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Joined: Wed Oct 05, 2011 12:24 pm
Posts: 155
Any chance it's just grit on a sealing face? Like valvestem or something?

http://www.google.ca/url?sa=t&rct=j&q=&esrc=s&frm=1&source=web&cd=1&cad=rja&ved=0CCwQFjAA&url=http%3A%2F%2Fwww.crosman.com%2Fpdf%2Fmanuals%2FPRO77-EVP.pdf&ei=BvzmUcCVIqzviQKdtIGABw&usg=AFQjCNFOS-gQfwMRelI4VZbFp-u84D4QxA&sig2=7JTl1ffXDNgIjHh-WXhFpw&bvm=bv.49478099,d.cGE


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PostPosted: Wed Jul 17, 2013 9:56 pm 
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Joined: Fri Dec 30, 2011 8:43 pm
Posts: 545
Location: British Columbia
well....giving the PRO77 a chance here, seeing as its the only blowback i currently own that i like the feel/look of. This is pistol#1 (tht started this thread, whereas the slide slammed back and co2 is released out of the barrel). So far ive rebuilt the majority of this thing, but the trigger spring hs me stumped?

the valve seems to work now i think, and i cleaned all parts of oils/debris so i need to figure this one damn spring out to reassemble it?

Image

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Image

Image

_________________

Blackhawk w/6x32 bugbuster
PRO77 ~ Rebuilt
M4177 TAC (4x32 scope, Laser sight, Flashlight)
Steel storm SMG
MP5 k-PDW SMG TAC (Shoulder strap & 1x30 RDS)
357-Six with custom wood grips
C31
GSG92 - Stripped & Polished


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 Profile  
 
PostPosted: Wed Jul 17, 2013 11:46 pm 
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Joined: Fri Dec 30, 2011 8:43 pm
Posts: 545
Location: British Columbia
Sweet!

managed to figure this out and reassemble....
Pierced my 1st co2 powerlet and it works again!

dont know if ill atempt PRO77 #2 nytime soon...what a PITA!

_________________

Blackhawk w/6x32 bugbuster
PRO77 ~ Rebuilt
M4177 TAC (4x32 scope, Laser sight, Flashlight)
Steel storm SMG
MP5 k-PDW SMG TAC (Shoulder strap & 1x30 RDS)
357-Six with custom wood grips
C31
GSG92 - Stripped & Polished


Top
 Profile  
 
PostPosted: Sat Jul 20, 2013 2:41 pm 
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Joined: Fri Dec 30, 2011 8:43 pm
Posts: 545
Location: British Columbia
even sweeter!
on PRO77 #2 i only had to pull the slide of and rebuild the valve which was getting stuck.

so, now both are rebuilt and working :D

while i was on PRO77 #2 i cleaned up the rough edges on the open breach i cut sometime ago and repolished the slide.

Image

_________________

Blackhawk w/6x32 bugbuster
PRO77 ~ Rebuilt
M4177 TAC (4x32 scope, Laser sight, Flashlight)
Steel storm SMG
MP5 k-PDW SMG TAC (Shoulder strap & 1x30 RDS)
357-Six with custom wood grips
C31
GSG92 - Stripped & Polished


Top
 Profile  
 
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