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 Post subject: MP-153/SP-453 Details
PostPosted: Mon Jul 16, 2007 1:46 am 
Presentation Grade
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Joined: Sun Aug 07, 2005 1:15 pm
Posts: 692
Location: Ontario, Canada
I gathered some details, schematics, diagrams for our use in future threads.

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 Post subject: re: MP-153/SP-453 Details
PostPosted: Mon Jul 16, 2007 1:54 am 
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Joined: Sun Aug 07, 2005 1:15 pm
Posts: 692
Location: Ontario, Canada
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Trigger group

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Gas adjustment valve

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Main spring

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Walnut Stock

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Receiver

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Screw-in Choke (this one is a lead-shot only tube)


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 Post subject: re: MP-153/SP-453 Details
PostPosted: Mon Jul 16, 2007 1:59 am 
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Joined: Sun Aug 07, 2005 1:15 pm
Posts: 692
Location: Ontario, Canada
Assembly / Dis-assembly

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 Post subject: re: MP-153/SP-453 Details
PostPosted: Mon Jul 16, 2007 10:36 am 
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Joined: Thu Nov 13, 2003 1:52 am
Posts: 3159
Location: Evans City, PA.
Toz, you are the man..!
Thanks very much for posting this very useful pictorial information for everyone here.

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- Tom Knapp -


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 Post subject: re: MP-153/SP-453 Details
PostPosted: Mon Jul 16, 2007 12:38 pm 
Presentation Grade

Joined: Wed Feb 28, 2007 2:48 pm
Posts: 655
Location: Temple, TX
Too bad it's all in Sputnik.


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 Post subject: re: MP-153/SP-453 Details
PostPosted: Mon Jul 16, 2007 10:21 pm 
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Joined: Sun Jun 26, 2005 4:43 pm
Posts: 2559
Location: PA Dutch Country
Thanks Tozman.

Notice the second photograph, Gas Adjustment Valve. Light Loads (CW) Heavy Loads (CCW), then there is a line above the cut-out. In my opinion, the line painted in that picture is incorrect. I take it that the line is supposed to mean the factory setting; however, it is not painted the same place on all guns! On my 453, the front of the adjustment nut was lined up with the rear of that cut-out, and the painted line on mine is also lined-up with the rear of the cut-out. That is why I suggest to people to use the rear of the cut-out as the factory position, when in doubt. Two rotations in and two rotations out from the rear of the cut-out is the adjustment range that I use.
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Gas Valve Adjustment

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 Post subject: re: MP-153/SP-453 Details
PostPosted: Tue Jul 17, 2007 8:16 am 
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Joined: Thu Nov 13, 2003 1:52 am
Posts: 3159
Location: Evans City, PA.
This is really good stuff here... I just checked my gun and it has the painted line. I wonder if they quit painting the line mark on the newer MP153's & SPR453's...? My gun is set exactly between the painted line and the notch. I've never touched my gas adjustment knob since I purchased the gun new 4 years ago. I figured since it ejects everything after the initial break in, I'm not fooling around with the gas adjustment unless I run into cycling problems. FullandandFuller, didn't you have your entire barrel replaced because of a split barrel flange that houses the gas adjustment valve...? Maybe they didn't paint the line on the replacement barrel/part from the factory...?

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- Tom Knapp -


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 Post subject: re: MP-153/SP-453 Details
PostPosted: Tue Jul 17, 2007 4:49 pm 
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Joined: Sun Jun 26, 2005 4:43 pm
Posts: 2559
Location: PA Dutch Country
I still don't know what happened with that barrel. It was replaced at the factory but the same receiver came back - same serial. So I guess a different barrel was fitted to this receiver. It arrived with a lot of bluing loss already from the fitting, I believe.

The line on my current barrels is actually about 1/32" back from the cutout. So not EXACTly on the cutout, but very close. From pics, the one that was sent back had the line just about even with the rear of the cutout; so original barrel was about 1/32" forward replacement barrel. Not really much of a difference. Some pics I have seen of other guns show the line well forward of the cutout, though, 1/4" or more forward of mine.

Maybe that line is not meant to be the factory (medium) setting...not sure what else it would be, though.

Jeremiah

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 Post subject: re: MP-153/SP-453 Details
PostPosted: Sat Aug 18, 2007 4:14 pm 
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Joined: Sun Oct 31, 2004 10:04 am
Posts: 10
TOZMAN,

Thanks for posting "how-to" in Russian language.
Getting my SPR-453 in about a month, saved your pictures with instructions in Russian, they will be helpfull.
Have Izh-27, it use to "double fire", had to use file to make relief in sear (upper barrel) and no more "double fire", mine is single selective trigger.

Ohotnik.


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 Post subject: re: MP-153/SP-453 Details
PostPosted: Wed Aug 22, 2007 4:45 pm 
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Joined: Wed Sep 29, 2004 9:46 pm
Posts: 70
Location: Maine
Very nice, thanks for posting.


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 Post subject: re: MP-153/SP-453 Details
PostPosted: Wed Aug 22, 2007 5:14 pm 
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Joined: Mon Jun 11, 2007 7:47 pm
Posts: 58
+1 vote for sticky


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 Post subject: re: MP-153/SP-453 Details
PostPosted: Fri Sep 28, 2007 4:48 pm 
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Joined: Sun Aug 07, 2005 1:15 pm
Posts: 692
Location: Ontario, Canada
More details

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 Post subject: re: MP-153/SP-453 Details
PostPosted: Fri Dec 28, 2007 3:43 pm 
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Joined: Sun Aug 07, 2005 1:15 pm
Posts: 692
Location: Ontario, Canada
Just bumped this thread as many newcomers here may find it usefull.


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 Post subject: re: MP-153/SP-453 Details
PostPosted: Sat Jan 12, 2008 11:01 pm 
Utility Grade

Joined: Mon Apr 16, 2007 6:15 pm
Posts: 19
Thanks. Good stuff.


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 Post subject: re: MP-153/SP-453 Details
PostPosted: Sat Jan 12, 2008 11:40 pm 
Tournament Grade

Joined: Sun Jan 07, 2007 11:10 am
Posts: 140
Location: Jupiter, FL
Same diagram as above, but with a price list:

http://www.eaacorp.com/diagrams-mp153lg.html

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 Post subject: re: MP-153/SP-453 Details
PostPosted: Sun Apr 06, 2008 12:05 pm 
Presentation Grade
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Joined: Sun Aug 07, 2005 1:15 pm
Posts: 692
Location: Ontario, Canada
I just wanted to bump this thread for our newcommers.




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