Telescope mounting bracket
5mm machine screws
a
Altitude encoder disk
Aluminum spacer ring
b
Figure 13. (a) The altitude encoder disk is attached to the telescope mounting bracket with three 5mm machine screws. The disk fits just inside the Ebony Star bearing ring. (b) The aluminum spacer ring should be installed on the telescope mounting bracket’s shaft (altitude axis bolt) such that the flat side of the ring faces outward.
16. Attach the altitude encoder disk to the telescope |
mounting bracket with the three 5mm (~1/4") machine |
screws (Figure 13a). Place the aluminum spacer ring |
on the telescope mounting bracket shaft with the flat |
Altitude 
encoder
side of the ring facing outward (the opposite side has |
an indentation around the hole). See Figure 13b. Then |
carefully insert the shaft through the hole in the altitude |
encoder board and then the hole in the side panel. You |
may have to carefully rotate the shaft back and forth a |
little to get it through the hole, as it is a tight fit. Slide the |
inside washer and ball bearing ring (which you removed |
in step 13) onto the shaft, then “thread on” the outer |
washer followed by the altitude tensioning knob. |
17. Lastly, connect the encoder cables and install the cable |
retaining clips. Refer to Figure 14 for proper placement. |
Connect one end of the azimuth encoder cable (the |
longer of the two cables) to the encoder jack in the |
Altitude encoder 
cable
board
Cable clips
top baseplate. Connect the other end to the encoder |
connector board on the side panel. The cable should plug |
into the jack on the right side of the encoder connector |
board. |
Plug one end of the altitude encoder cable into the |
modular jack on the altitude encoder board. Connect the |
other end of the cable to the jack on the left side of the |
encoder connector board. |
Use the provided cable retaining clips to secure the |
altitude and azimuth cables neatly to the base. We |
recommend using one clip for the (shorter) altitude cable, |
and two clips for the (longer) azimuth cable (Figure 14). |
The clips have adhesive backing; simply peel the paper |
off the back of the clip and press the adhesive back to |
the base where you want the clip to be located. |
Altitude |
|
| |
cable jack |
| Azimuth | |
Cable | Encoder | cable jack | |
| |||
clip |
| ||
connector | Azimuth | ||
| |||
| board | encoder cable |
Azimuth encoder board jack
Figure 14. Connect the two encoder cables as shown.
10
