For iOptron Internal Use Only
6
16. Release two set screws on mount assembly:
two for locking assembly hinge pins and one for
hinge bearing end cap.
17. Remove the hinge pin bearing end cap. Use a
small screw driver to push the hinge pins
inward. It will drop off from the center slot.
There are small washers as well. Pull the worm
assembly
from
top
of
the
ring
gear
compartment.
18. Tap the bearing out of the housing if needed.
The following is a set of a bearing, a washer
and a hinge pin.
The following shows the relative position of the
end cap, hinge pin/bearing and a worm
assembly.
19. Release a small set screw on Worm pulley and
remove the worm pulley.
20. Check the worm by pulling-pushing the shaft.
You should see/feel the lateral movement if
there is free play.
Spring underneath
the ball bearing
