Monday, April 4, 2011

Crosman 105 Disassembly, Part 2

On I go…


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The grip frame is held by two screws, just like on every other Crosman pistol of this type.


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Grip frame.


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The pivot pin for the sear was missing. I’ll find a suitable replacement.


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There’s a nice slotted guide for the sear spring.


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The safety spring was missing. The detent ball was still at the bottom of the hole.


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The trigger pivot pin. Knurled at one end for retention.


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The safety. A complex little part.


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The trigger.


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The rear sight. I removed the two setscrews.


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Drifted it out of the dovetail.


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The end cap is retained by two small setscrews.


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It comes out a little under hammer spring pressure.


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Then the spring comes out and the hammer…Can’t remove it yet as the cocking knob is in the way.


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A screw retains the knob.


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That’s a small spring washer for slight tension on the knob.


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The hammer.


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The bolt is held in by the cocking pin. It has to be unscrewed through the slot.


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The cross hole had a spring in it that shot across the room. Live and learn. Maybe I’ll find it but more likely I’ll have to make a replacement.


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Valve nut needs a special tool to remove it.


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Valve nut.


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I pushed against the inlet valve with a 3/16” brass rod.


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The valve components.


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Here’s how it looks assembled.


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Inlet valve.


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Exhaust valve. I’ll make replacement seals for both.


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The whole gun apart. Now to reseal, replace parts and get some grips.

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