ASTRO DEVICES SkyWatcher Dobsonian Installation Manual

6-16” telescopes encoders installation

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SkyWatcher Dobsonian 6-16" Telescopes:

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 steps per revolution

Current consumption: 10mA – Azimuth encoder, 10mA – Altitude encoder

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Summary of Contents for ASTRO DEVICES SkyWatcher Dobsonian

Page 1 SkyWatcher Dobsonian 6-16” Telescopes: 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 steps per revolution Current consumption: 10mA – Azimuth encoder, 10mA – Altitude encoder Copyright © 2022, Astro Devices. All rights reserved.
Page 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 will need the following parts for the next step: Copyright © 2022, Astro Devices. All rights reserved.
Page 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 whole base on a side: Copyright © 2022, Astro Devices. All rights reserved.
Page 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 – for each screw. Copyright © 2022, Astro Devices. All rights reserved.
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 still rotate freely before tightening the set screws): Copyright © 2022, Astro Devices. All rights reserved.
Page 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 the anchor bolt: Copyright © 2022, Astro Devices. All rights reserved.
Page 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: Copyright © 2022, Astro Devices. All rights reserved.
Page 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 yet: Copyright © 2022, Astro Devices. All rights reserved.
Page 15 And 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 positioned vertically) insert the anchor bolt into the slot: Copyright © 2022, Astro Devices. All rights reserved.
Page 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: Copyright © 2022, Astro Devices. All rights reserved.
Page 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 steps correctly. Copyright © 2022, Astro Devices. All rights reserved.