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unknown air gun need to repair!

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srkhan
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unknown air gun need to repair!

Postby srkhan » Sat Mar 18, 2017 2:04 pm

i cant identify this old arigun. i found it in my old house!.

as far i remember this is a Chinese air gun i got from my uncle when i was 4 standard!

piston washer is missing and no sing of screw hole or nut to tie a seal.

any advice?
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Basu
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Re: unknown air gun need to repair!

Postby Basu » Sat Mar 18, 2017 2:52 pm

Piston washer mush have been stuck inside the chamber....i guess....

Basu


Not all those wander , are lost...............

Eldroidism
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Re: unknown air gun need to repair!

Postby Eldroidism » Sat Mar 18, 2017 2:53 pm

I don't think it would be safe to repair that. Imagine the potential energy the spring stores. Now imagine what would happen to a person's face/eye if the backstop of the spring were to break off when loaded! But I'm no expert, anyone else can advice?

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srkhan
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Re: unknown air gun need to repair!

Postby srkhan » Sat Mar 18, 2017 3:48 pm

Basu wrote:Piston washer mush have been stuck inside the chamber....i guess....

Basu


piston chamber well clean sir. and found some damage pcs . so need to drill 5mm scrw hol


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B25
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Re: unknown air gun need to repair!

Postby B25 » Sat Mar 18, 2017 5:20 pm

Since you are new to airguns ,Best course will be to go to a local gunsmith in your city & get it repaired . If it is only washer replacement, it is an easy & inexpensive job



sam 47
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Re: unknown air gun need to repair!

Postby sam 47 » Sat Mar 18, 2017 5:24 pm

I am really curious to know about what happened to the old piston washer. I think as it was made of leather, it must have dried and then crumbled into pieces. The screw hole for inserting leather piston is usually located on the center of the top face of the piston . A new aftermarket piston seal of correct size should do the job.
Eldroidism wrote:I don't think it would be safe to repair that. Imagine the potential energy the spring stores. Now imagine what would happen to a person's face/eye if the backstop of the spring were to break off when loaded! But I'm no expert, anyone else can advice?


Every spring/gas piston AR holds back sufficient amount of pressure even when the gun is not cocked. The pin passing through the trigger (in this case) and the entire length of the spring tube holds back the spring force, not the end cap. There is a very rare chance that solid piece of metal should break, although in some guns with more tolerance the pin tries to move out through the sides after a few shot cycles.


"Aim small, miss small."

You may not like guns, and choose not to own one. That is your right. You might not believe in God. That is your choice. However, if someone breaks into your home the first two things you're going to do are: 1) Call someone with a gun. 2) Pray they get there in time.

Eldroidism
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Joined: Tue Dec 27, 2016 11:57 pm

Re: unknown air gun need to repair!

Postby Eldroidism » Sat Mar 18, 2017 5:34 pm

That's good to know, Sam. I was afraid that old and/or rusted guns may tend to break under the spring tension. I guess it's always been my fear as when I was a teen, a spring from a cheaply made toy airsoft gun broke loose through the back and hit me just above the eye. I was hurt, but luckily no stitches and I still have my sight!

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srkhan
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Re: unknown air gun need to repair!

Postby srkhan » Sat Mar 18, 2017 6:38 pm

no srw hole found end of the piston. how can i attach rubber seal?

old piston seal gone dead during long resting time 20 years left in my old house!!


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sam 47
Posts: 279
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Location: kolkata

Re: unknown air gun need to repair!

Postby sam 47 » Sat Mar 18, 2017 7:00 pm

You can drill a hole. Or better if you buy an entire after market piston of correct size along with matching piston seal.


"Aim small, miss small."

You may not like guns, and choose not to own one. That is your right. You might not believe in God. That is your choice. However, if someone breaks into your home the first two things you're going to do are: 1) Call someone with a gun. 2) Pray they get there in time.

srkhan
Posts: 73
Joined: Thu Oct 22, 2009 10:40 am
Location: Dhaka
Contact:

Re: unknown air gun need to repair!

Postby srkhan » Sat Mar 18, 2017 7:16 pm

i found something like this inside
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sam 47
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Location: kolkata

Re: unknown air gun need to repair!

Postby sam 47 » Sat Mar 18, 2017 8:00 pm

There is the old piston seal , no wonder it has crumbled into bits. If you remove the old piston seal, hopefully you will be able to see a screw hole for attaching new leather piston seal.


"Aim small, miss small."

You may not like guns, and choose not to own one. That is your right. You might not believe in God. That is your choice. However, if someone breaks into your home the first two things you're going to do are: 1) Call someone with a gun. 2) Pray they get there in time.

B25
Posts: 11
Joined: Tue Dec 13, 2016 3:45 pm

Re: unknown air gun need to repair!

Postby B25 » Sun Mar 19, 2017 12:19 am

Looking at the pictures, it seems that only a proper size leather seal and perhaps a breech washer is all that is required to make it work again.



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Basu
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Re: unknown air gun need to repair!

Postby Basu » Sun Mar 19, 2017 8:13 am

Correct.

Basu


Not all those wander , are lost...............

Joe4guns
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Re: unknown air gun need to repair!

Postby Joe4guns » Sun Mar 19, 2017 12:26 pm

much worried about the barrel even if you could fix the wahser... :(



srkhan
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Re: unknown air gun need to repair!

Postby srkhan » Sun Mar 19, 2017 4:56 pm

Joe4guns wrote:much worried about the barrel even if you could fix the wahser... :(

barrel fixed . 3 days to over-hole. will post pic tonight


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