Picked up a nice Winchester 62-A with Lyman tang sight. Not familiar at all with this Lyman sight. Really stiff, so I have it soaking in Kroil. Anyone know how to operate? What does lever on side do? How to properly raise and lower? Fortunately it is zeroed at 50yds, so no adjustment needed. Thanks

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PTLAPTA!

Neat sights but vulnerable to rough use. The little lever on the side is a lock to keep the sight from being accidentally bumped out of position. There is no windage adjustment but elevation is adjustable by the knurled nut under the aperture.

They don't swivel back and forth real easy anyway, or shouldn't.
With the staff upright as in the pic,,the small lever/knob rotates forward/counterclockwise to about the 11:00 position to lock the staff in that upright position,,as in the pic.

To unlock the staff and rotate in back down out of the way and lay it flat on the tang to use the bbl rear sight,,
rotate the small lever/knob clockwise over to about the 1:00 position. That unlocks the staff and it can then be rotated back and down. The small lever and knob will follow the staff back down flat as it goes backwards.

The full forward upright position limit can be adjusted so that it is a permanent set position for that rifle. It takes a small simple wrench on one side of the pivot and a very small 2-pin spanner on the other side to loosen and then tighten the pivot when the position is established.
Most people just leave it when they find it and use them as that.
As these sights are often slated for use on more than one rifle, the adjustment allows for slight differences of tang to frame angle.

Also,,it looks like yours has the smaller aperture pivoted inside the larger one.
That tiny tab sticking out the front of the aperture is the arm of the smaller one in place at the present time.
If you want the larger aperture to look thru (sometimes called the 'hunting aperture',,push that small tab downward and it;ll pivot the smaller target aperture out of the way.
They can be tough sometimes to move as they are closely fitted and dried grease and oil and dirt can freeze them in place. A gentle push from the back side w/a flat faced punch by hand helps to open it up.

If you decide to remove the tang sight and use the bbl sight only,,you will need a standard length rear tang screw to replace the one in there now. The one used w/the sight is a special extra length tang screw to allow for the thickness of the tang sight base.

Nice sight! A valuable bonus for a very nice looking 62A. Congrats!!

Thanks for the very helpful post! It does have the two aperture feature. I've shot peep sights a lot in competition, but the Tang sight is a first for me. Now to see how it likes squirrels!

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PTLAPTA!

i think you will quite enjoy popping squirrels with that 62. My father has been using one for as long as I can remember. Congrats on an excellent rifle.