It was only a minor chore: drill new screw holes in the tube; enlarge the hole for the drawtube; cross-thread a nut on one of the stainless steel screws, and then break the screw trying to remove it; discover that Lowe's doesn't have 10-32 stainless steel screws, but they do have 10-24.
The "coarse" focus is quite a bit finer than the old focuser, and the "fine" focus barely feels like it is moving: 0.0725" per revolution of the knob. High clouds came in after I finished recollimating it, so this will have to wait for better weather.
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