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I have a nice Savage 99 in 250-3000, but the rotary magazine seems to have weakened from age/use (all the rounds in the magazine won't chamber). I heard there is an adjustment (screw?) that does not require removal of the magazine, which is risky. Does anyone know that procedure?
Rotor (carrier spindel) spring adjustment. If you have problems with the magazine not accepting enough rounds (or not feeding all of the rounds) you might have a rotor that is wound too tight (or not enough).
"If you look just above the cartdidge counter window, you'll see a small screw. If you remove the forend and look at the end of the receiver you'll see a ring that is slotted. You'll need a flat bladed screwdriver with a slot cut through it so it fits well into the slots on the ring. Now being careful. loosen that screw above the window. It only has about 6 or 8 threads on it IIRC and then it's a straight shank beyond that. DO NOT FULLY REMOVE THIS SCREW YET!!! While you are loosining that screw, you want to have the slotted screwdriver in place holding the rotor from turning. On the rotor, there are a series of slots around the diameter for that screw above the window to engage. If you rotate the rotor ever so slightly you can feel the slot on that screw. Holding the rotor in place, gently remove the screw. Once that screw is fully removed you should feel resistance on the slotted screwdriver. This is where you have to be careful. 2 people really help, although I did it alone. Rotate the rotor only slightly (clockwise if too tight and counter-clockwise if too loose)and place the screw you removed back into the hole you took it out of. You'll feel it contact the rotor. Carefully rotate the rotor until the screw engages the next slot in the rotor. Replace the screw once it's in a slot and thread it in. You want to go no more than one slots adjustment and I think you should be OK.
Excellent! Thank you.
How might I know if the rotor is too tight (or too loose)? Symptom: When I load the magazine full (it will accept all the rounds), the last one or even two rounds will not feed properly and chamber. Does that indicate too loose? Again, many thanks for the procedure; it is quite clear.
Excellent description of adjustment. Thank you
So how DO you know if you need to tighten or loosen? (as per post #3)