ASTRO DEVICES SkyWatcher Dobsonian, Installation Manual

Page 1: ...lescopes Encoders Installation Please make sure that you have all the parts included in the kit Specifications Azimuth Encoder resolution 8192 steps per revolution Altitude Encoder resolution 8192 ste...

Page 2: ...2 Azimuth encoder installation Please remove the OTA from the base Then remove the azimuth pivot bolt You will find a plastic insert You need to remove it and replace it with the bushing supplied You...

Page 3: ...Devices All rights reserved 3 Insert the bushing provided and push it into the hole You need the washer and the pivot bolt Put the new pivot bolt into the bushing Now turn the base around or put the...

Page 4: ...Astro Devices All rights reserved 4 Now thread the mounting plate onto the pivot bolt until the plate cannot be rotated Now you need to drill a small hole using a 1 5 2mm drill bit Drill three holes...

Page 5: ...You now need a screwdriver and three screws for mounting the plate Use the screwdriver to fix the plate in place Tighten two set screws using the supplied Allen key make sure that the rocker box can s...

Page 6: ...Copyright 2022 Astro Devices All rights reserved 6 Now you need the following parts Put the tangent arm on the pivot bolt You will need to install the anchor bolt...

Page 7: ...stro Devices All rights reserved 7 Mark the position of the anchor bolt s base with a pencil Unscrew the anchor bolt from its base Drill holes for screws Use the supplied screws to install the base of...

Page 8: ...Copyright 2022 Astro Devices All rights reserved 8 And screw the anchor bolt back in place...

Page 9: ...Copyright 2022 Astro Devices All rights reserved 9 You will need the following parts for the next step most of them are in the box with the encoder Use the spacer to slide the white shaft adapter...

Page 10: ...ight 2022 Astro Devices All rights reserved 10 Install the black shaft adapter over the white adapter And push it down Put the encoder base plate and start threading the screws but do not tighten them...

Page 11: ...Copyright 2022 Astro Devices All rights reserved 11 Use the alignment tool to centre the encode base plate Tighten the screws Remove the alignment tool...

Page 12: ...Copyright 2022 Astro Devices All rights reserved 12 Now install the encoder and push it into place You will need the encoder housing now...

Page 13: ...Copyright 2022 Astro Devices All rights reserved 13 Plug the connector into the encoder Put the housing onto the encoder and fix it with the supplied screws...

Page 14: ...Copyright 2022 Astro Devices All rights reserved 14 Altitude encoder installation You will need the following parts Remove one of the handles...

Page 15: ...d replace it with the altitude encoder shaft adapter Insert the altitude encoder s shaft into the adapter Then position the tangent arm at an angle to the right or to the left but it should not be pos...

Page 16: ...Copyright 2022 Astro Devices All rights reserved 16 Use a pencil to trace the outside of the anchor bolt s base Unscrew the anchor bolt from its base Drill holes for the screws and put the screws in...

Page 17: ...Copyright 2022 Astro Devices All rights reserved 17 Put the anchor bolt back in Now install the tangent arm starting from the bottom slot...

Page 18: ...Copyright 2022 Astro Devices All rights reserved 18 Then insert the encoder shaft into the adapter and tighten the thumbscrew That completes the installation of the encoders...

Page 19: ...Copyright 2022 Astro Devices All rights reserved 19 DONE Now plug the encoder cable into the jacks of the encoders and connect it to the DSC...

Page 20: ...22 Astro Devices All rights reserved 20 Please set the azimuth encoder steps to 8192 and altitude encoder steps to 8192 and follow the instructions of your DSC on setting the signs for the encoder ste...