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After adding several large two-inch eyepieces and an Explore Scientific illuminated finder scope, my dob was quite top heavy. To remedy this, I added two 18” bar magnets to the bottom portion of the scope. Balance now seems nearly perfect! Got this idea from another post I read a while back on SGL!
Recently I opened my AZ-EQ5 mount for adjusting and greasing.
I did not find any complete tutorial for this nor worm or bearings dimensions. I plan to replace some of those if I have the chance.
Meanwhile, I will add some pics of the disassembly process.
Open the plastic top case. Please excuse the USB hub attached, I did not remove that.
Pull out the cable connectors. Put the top case with the controller board aside.
The bolt inside the green circle can help you remembering or adjusting the belt tension. Loosen down the RA motor screws. Remove the belt. Unscrew the bolts. Remove the motor.
The bolts inside the green circles can help you remember and adjust the worm distance to the RA main gear. Remove the bolts holding the worm case.
Parts: RA main gear, worm case.
Remove the screws holding the encoder board. You get access to the nut holding the worm in place. Remove this too.
Remove the bolts inside the driving gear attached to the worm. Sorry, not the best pic.
You can now proceed to push out the worm and the bearings. No pics for this, sorry.
The bearings are 688Z, 16mm outer diameter, 8mm inner diameter, 5mm width.
Worm dimensions measured with the caliper: 69mm, 36mm.
Hope someone finds this useful.
I'd be interested if the worm is identical to the ones used in the HEQ5.
Setting up all the software on my win10 laptop and getting things to talk to one another is a nightmare.
I'm starting a new thread, so I can post all the problems I am having, one at a time, so issues don't get confused. This will also hopefully help anyone coming to similar situations later, as the problems and answers will not be interlaced.
First issue: APT does not detect ZWO camera.
I have got the camera (ZWO) drivers installed and sharpcap can see it and will connect to it properly. However, when I try to connect the camera in APT, the only CCD options it gives me are SBIG (which it isn't), QSI (which it isn't) and ASCOM. Now it shouldn't need to use an ascom driver, because the proper driver is installed, but I give it a go anyway, and this just offers me 2 simulators and 3 QHY cameras (I have one qhy driver installed for the guidecam .... I'll get to that later!). I have disconnected both the filterwheel and guide camera from the camera hub, so they cannot be interefering with the process.
I am at a total loss ... any suggestions?