I bought a new Mach1GTO in October 2017. SN 10971. It has 2 screws in each motor box. See the third photo in this set on IMGUR. Also see my comment on IMGUR about needing a lot of torque to loosen tho

Here is a video for the 1200GTO. But this gives you a good idea of what to do. I greased the RA gears on my Mach1GTO last weekend. It was very easy to do. The grease kit that AP sells has two differen

I can't read any text on your pic. You can post the pic on IMGUR and link to it here. I have a similar problem - not an exactly repeating lurch, but often enough to be annoying. I got my grease kit th

I would not start AstroPhotography with a 3048mm FL scope. But buy a mount that can support it later, and an 80-100mm triplet refractor for now. Camera? A ZWO cooled one-shot color camera is a good ch

What a coincidence. I am designing a top for my Eagle Pier so I can mount a tracker on it. Now that my Mach1GTO is on a permanent pier, I want to put my Eagle to good use. I based my design on the dra

When new (November 2017) my Mach1GTO was very smooth. I could shoot 5 minute subs unguided at 480mm all night long. Now the RA has regular "lurches" (as I call them). See the PHD2 Guiding assistant pi