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Old 10-22-2011, 01:17 PM
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CAJUNLAWYER CAJUNLAWYER is offline
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Default Coiled mainspring question

I want to swap out a mainspring on an SP101. It seems like the spring currently on the strut is under a good bit of pressure and before I get to the point where I have to ask for help I want to know if there is a special tool one needs to have to put the spring back in place or is is just brute force??
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Old 10-24-2011, 04:42 AM
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I have not worked on that particular model and so I do not feel qualified to answer that, but I am sure you can quickly find a Ruger website (similar to this one) that would be able to assist you. I have never been drawn to Rugers as I have always felt that they are not in the same class as the Smiths, Colts & Browning firearms. I am not bad - mouthing Rugers, they are fine for the money and usually perform adequately, they are just not my cup of tea.

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Old 10-24-2011, 06:09 AM
Hondo44 Hondo44 is offline
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Yes, it's a fork. You probably know to put a pin in the strut hole to remove the assembly from the gun. Then clamp the top end of strut in a vise, cover with a rag and pull the pin with pliers. Put the new spring with the old spring seat on and compress with a fork allowing the strut to protrude thru two of the tines. When the hole appears thru the tines, slip the pin back in and remove the fork. And of course, wear safety glasses (sorry, I know you knew that).
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Last edited by Hondo44; 10-24-2011 at 03:32 PM. Reason: Clarification
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Old 10-24-2011, 11:10 AM
tomcatt51 tomcatt51 is offline
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I put the assembly in my drill press to compress/replace the spring. It's all too easy to launch the parts into never-never land.
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Old 10-29-2011, 06:48 AM
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I took a wooden bench block drilled a hole right near the edge to compress the spring onto the strut, then another hole along the side to intersect the first hole so I could insert the keeper pin.

I like tomcat's drill press idea, sounds like the best way to maintain the most control of what you're doing.
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Old 11-07-2011, 02:58 PM
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When you change the spring take a few minutes to smooth the rough edges on the hammer strut. A light dressing with crocus cloth will do it.
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Old 11-07-2011, 03:16 PM
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Quote:
Originally Posted by Ga Johnny View Post
I took a wooden bench block drilled a hole right near the edge to compress the spring onto the strut, then another hole along the side to intersect the first hole so I could insert the keeper pin.

I like tomcat's drill press idea, sounds like the best way to maintain the most control of what you're doing.

Great idea, so easy to make, it's worth it even if you only do one spring change!
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