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Marauder Fustrations
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Topic: Marauder Fustrations (Read 3255 times))
vrotsos991
Plinker
Posts: 257
Real Name: Andy
Marauder Fustrations
«
on:
July 29, 2012, 07:43:33 PM »
So as you guys know i been having this annoying slow leak of about 50 psi every hour since I got my gun. I sent the gun to crosman and came back with the same leak with the same leak rate. So i took my gauge block out and saw a nick on one oring. Replaced the oring and filled the gun up. Still the same leak rate. Rewrapped the gauge, and qc fitting. I also replaced the gage block to gauge adapter oring. SAME LEAK RATE.
What is going on here? If I cut the new oring when putting the block back in, i think it would be pretty hard to get about the same leak rate again. What should I do?
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North Eastern Ohio
2012 Stats:
18 Munk 3 Pest Birds 15 Pigeons
4 Tree Rats O Large Game 2 g-hog
MustangMike
GTA Senior Contributor
Posts: 6655
Real Name: Mike
Re: Marauder Fustrations
«
Reply #1 on:
July 29, 2012, 07:55:19 PM »
then its the valve orings
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atx
.25 hatsan at44s-10 (down the road)
.22 disco, bnm breech & shroud, katana stock, 7" tube extension, leapers 3-12x40AO
.22 ccs 2400kt, extensively modified using the sikes touch.
www.airgunlab.com
www.discosrus.net
Cera Kote services: ddgrego---Designsbydink
vrotsos991
Plinker
Posts: 257
Real Name: Andy
Re: Marauder Fustrations
«
Reply #2 on:
July 29, 2012, 07:56:23 PM »
How rough is that to get to?
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North Eastern Ohio
2012 Stats:
18 Munk 3 Pest Birds 15 Pigeons
4 Tree Rats O Large Game 2 g-hog
vrotsos991
Plinker
Posts: 257
Real Name: Andy
Re: Marauder Fustrations
«
Reply #3 on:
July 29, 2012, 07:56:44 PM »
Any tutorial out there?
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North Eastern Ohio
2012 Stats:
18 Munk 3 Pest Birds 15 Pigeons
4 Tree Rats O Large Game 2 g-hog
MustangMike
GTA Senior Contributor
Posts: 6655
Real Name: Mike
Re: Marauder Fustrations
«
Reply #4 on:
July 29, 2012, 08:00:55 PM »
idk i dont own a mrod. surely it cant be that hard.. degas, remove rear breech screw, 2 on each side of the breech, remove the shroud etc
your stripping it down to a completely bare tube
Logged
atx
.25 hatsan at44s-10 (down the road)
.22 disco, bnm breech & shroud, katana stock, 7" tube extension, leapers 3-12x40AO
.22 ccs 2400kt, extensively modified using the sikes touch.
www.airgunlab.com
www.discosrus.net
Cera Kote services: ddgrego---Designsbydink
aack73
Nitrogen is the way to go :)
GTA Senior Contributor
Posts: 4586
Real Name: Chad
Re: Marauder Fustrations
«
Reply #5 on:
July 29, 2012, 09:02:35 PM »
it's not very difficult. pay attention to detail.
Logged
"come over to the darkside you knob"
Dead nuts dog
Expert
Posts: 1044
make the shot count
Real Name: Kevan
Re: Marauder Fustrations
«
Reply #6 on:
July 29, 2012, 09:15:45 PM »
Hers the explode manual hope the link takes you there
Doesn't look to different from the disco in the air tube, you might want to check my post titled " disco detention " where I was given a lot of help, that you may find helpful
http://www.crosman.com/pdf/manuals/1763%20and%202263%20EVP%20and%20PL%20update.pdf
Logged
Avon, CO, USA
If time tic's ... The past must talk...
1972 760 auto-cocker
Marauder .25 w/Hawke 3-9-50, scope mounted laser/flashlight and bipod
SSP-250
2240
As2250
Daisy 880
vrotsos991
Plinker
Posts: 257
Real Name: Andy
Re: Marauder Fustrations
«
Reply #7 on:
July 29, 2012, 09:18:41 PM »
Hahaha I do. Just not familar with air rifles so I am not sure exactly where to start, and what I need to make sure needs to be done when re assembling.
Logged
North Eastern Ohio
2012 Stats:
18 Munk 3 Pest Birds 15 Pigeons
4 Tree Rats O Large Game 2 g-hog
MustangMike
GTA Senior Contributor
Posts: 6655
Real Name: Mike
Re: Marauder Fustrations
«
Reply #8 on:
July 29, 2012, 09:26:49 PM »
make sure its degass and when sliding the valve and gauge block back into the tube make sure their lined up properly
Logged
atx
.25 hatsan at44s-10 (down the road)
.22 disco, bnm breech & shroud, katana stock, 7" tube extension, leapers 3-12x40AO
.22 ccs 2400kt, extensively modified using the sikes touch.
www.airgunlab.com
www.discosrus.net
Cera Kote services: ddgrego---Designsbydink
PakProtector
GTA Senior Contributor
Posts: 2890
yes
Real Name: Douglas
Re: Marauder Fustrations
«
Reply #9 on:
July 29, 2012, 09:34:26 PM »
There are all sorts of silly details involved here. Google will find several, say for example, if you take the filling plug out( the whole thing ) you unthread and then pull straight out, and of course reverse for instal; push all the way to the threads and then screw it in. You'll evidently cut the o-ring if you thead it out. You'll also need un-flamable divers grease to ease assembly. Use it sparingly needs said. That's just one...there are undoubtedly many. Read for a while, talk to somebody who'se done it if possible...better yet, have them over to guide you.
cheers,
Douglas
Logged
Ann Arbor, MI, USA
My most valuable friends are the ones who will tell me I am wrong.
More valuable still are the ones who go to the trouble of making me see it.
bnowlin
Plain ole Country Boy and too dang gullible
GTA Senior Contributor
Posts: 2864
Ofcourse I talk to myself I need the expert advice
Real Name: Bob Nowlin
Re: Marauder Fustrations
«
Reply #10 on:
July 29, 2012, 09:45:31 PM »
Did you call Crosman back? I would and ask Lil Sis for help on the chat line tomorrow. My leak turned out to be the fill check valve. I degassed it completely and refillled and shot a wole magazine and the leak went away.
Bob
Logged
Leggett, Tx
Air Vetnuri Compressor
Mrod 22 PCP Air ext and shroud ext modded valve
Mrod 25 PCP Modded valve, air ext, and shroud ext. Am I broke yet? What a gun and those Polygon LW barrels Wow.
AIN"T THIS A GREAT PLACE TO BE?
My Papa was a Mrod, I'm a Son of a Gun, but He was not as crazy as I!
jpsgunworks
Shooter
Posts: 52
Re: Marauder Fustrations
«
Reply #11 on:
July 29, 2012, 11:03:33 PM »
There's an excellent takedown guide on youtube
Hope
this helps.
Logged
GecoGuy
Plinker
Posts: 211
yes
Re: Marauder Fustrations
«
Reply #12 on:
July 31, 2012, 02:03:16 AM »
I had a leak in my disco. An easy way to check for it is put a drop or two of dish soap in a shot glass then fill it up with water and use a straw to apply to where the fill adapter is and the gauge. If there is a leak the soapy solution will lite up with foam! I think those are the only two external areas that could possibly be a leak. Another troublshoot is to put a balloon on the end of the barrel so its air tight and leave it over nite. If it fills up then you have narrowed the problem to something internal (i forget what exactly, someone else on here can fill in that blank for me).
These are just a couple checks you can do without having to guess where it is coming from and replacing things that don't need to be replaced.
My leak came from the gauge and it turned out there was NO teflon tape to seal the threads, so a quick 5 min repair fixed my problem, but it was the soapy solution that helped narrow down the problem.
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TimmyMac1
Expert
Posts: 1793
"You've Come A Long Way BB"
Dunk Tank Material
«
Reply #13 on:
July 31, 2012, 11:06:05 AM »
I've had gauges leak thru the guage face. Sometimes you need to strip the entire gun down except valve and tube and charge it and dunk it under the water to see where the thing bubbles. If you overtorque the M-Rod gauges it can crack the internal tube and cause an annoying leak that is not oring reelated and very difficuklt to diagnose without a bathtub. Gauges are cheap. Buy one and replace it and your problem will probabaly diasaapear. The other issue we see is corrosion in the oring grooves of the valve body or gage block.
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"No Guns Would be a Riot"
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