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large wavy or curved Belleville type round spring washers are under the rear clutch knobs of both RA and DEC. it would be a quality lapse to leave those out of a new mount. I am surprised to read of

Glenn if you need to loosen the RA to balance just loosen the clutch a little bit. B

@tensor74, What spring washer are you referring to, Greg? The RA axis on my relatively new G-11G is also a little tight when balancing. I have been looking for a way to loosen it up to make balance

I got my new G-11 in July. works great. Only thing is when I balanced it it was tight in RA. Come to find out they never put the spring washer in. so they sent one and has been working fine since.

Yes, it is very possible. I purchased my G11 last November, pulled it straight out of the box, set it up, and had only one problem which Losmandy remedied in 3 days. It worked but one of the gear

Wow, this is scary. I still haven't bought a mount, and haven't taken an astrophoto yet. My understanding is that Losmandy mounts are some of the better ones, though not at the pinnacle--but jeez,

Hi, Nice to read of your observations and maintenance work. I suggest that you try to separate what PHD2 is telling you, from how the mount is actually performing. It would be easy to misinterpret

Thanks Chip I took apart the Ovision worm and it does have a spring washer installed cleaned and lubed the assembly. I used an eye loop to look at the worm. There are a few pits in the brass on

Ah, you're right, Derek! I just did a closer inspection and the play is at the worm gear, NOT at the point where the shaft is screwed in as I erroneously thought at first. I played with it a bit by

Wes - thank you, although I'm able to thread the shaft all the way in - my situation is the opposite: I'm noticing play between the shaft and the tube which it's screwed into.

Normal.. The end of the counterweight shaft is a long way from the center of the RA Axis.. The little movement you feel is play in the RA Worm.. Nothing to worry about.. "Ever so slight" is

Alex I found the threads coarse on my CW shaft/ interface. I applied a light coating of lubricant and that helped screw the shaft in all the way. To date it has not seized/stuck making removal

Hi all - I'm new to the forum and to astronomy as well, so pardon the ignorance! I just received and assembled a new G11 + Gemini 2 system. Can't really play with it yet as I didn't realize that

Greg...excellent site indeed! You're a champ. Brendan

Hi Greg, I think that your Ovision's worm gear endplay is not getting set correctly and there is no preload on the worm bearings. I don't have an Ovision worm because the original 2-piece worm

I recently found that with my G11 if the RA worm is too loose or has too much backlash that I get motor errors lag ....with new Gemini II conroller...So it needs goldy locks adjustment not too loose

Hello In October of this year I bought a used Losmandy G11 with an ovision worm gear. I am unable to get the performance out of the gear at the RA axis. I'm getting phd rms numbers of .9

Thanks everyone for your input. I have my mount apart inside and I've found a few things. I probably did have the gearbox mounted off-axis when I replaced it the other day. Inside, comparing the

From your description, I'm pretty sure you have not got your worm axis lined up with your gearbox output shaft axis. So when the gearbox shaft turns, it is moving the Oldham pieces, and the gearbox

Hi Joe Maybe can turn the worm by hand (with maybe an adapter) to see if the worm has a tight spot? You can remove the Ra/DEC motors from the mount and run them connected to the Gemini ....just like