Orion STARBLAST 6/6I - Manual (Page 10)

10
Attach the altitude encoder disk to the telescope 16.
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
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.
Lastly, connect the encoder cables and install the cable
17.
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
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.
Figure 14. Connect the two encoder cables as shown.
Altitude
encoder
board
Altitude
encoder
cable
Encoder
connector
board
Azimuth
encoder cable
Azimuth encoder
board jack
Cable
clip
Cable
clips
Altitude
cable jack Azimuth
cable jack
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.
a b
5mm
machine
screws
Telescope mounting bracket
Altitude
encoder
disk
Aluminum
spacer ring