iOptron CEM70 Manual
Ra worm replacement
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Also See for CEM70:
- Instruction manual (64 pages) ,
- Manual (3 pages) ,
- Quick start manual (2 pages)
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1. Disengage the RA gear switch and lock the RA
axle locking knob.
2. Remove the larger screw and two locking screws
on counterweight (CW) shaft house, then remove
the CW mounting housing.
3. Remove three screws (two on the surface and
one on the top, which may require a different tool
to be taken off) and then take off the front cover
of the ring gear compartment.
4. Take the mount upside down and loose two
locking screws (one on left side and another on
right side), and then put the mount base on a box
or other object with an appropriate height nearby.
Internal Use Only
CEM70 RA Worm Replacement
5. Remove five screws and take off the panel and
pay more attention to the connection wire
arrangement. All of them should be put in a notch
in the other side of the panel when assembling
later.
6. Remove three larger screws on the other side
and take off another panel with scale.
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Summary of Contents for iOptron CEM70
- Page 1 Internal Use Only CEM70 RA Worm Replacement 1. Disengage the RA gear switch and lock the RA axle locking knob. 2. Remove the larger screw and two locking screws on counterweight (CW) shaft house, then remove the CW mounting housing.
- Page 2 Internal Use Only 7. Remove four screws for RA motor bracket (two in one side and two in the other side). 11. Remove the latch for RA gear switch knob. 8. Remove RA motor and its protection bar. 12. Make sure that the gear switch is in disengage position.
- Page 3 Internal Use Only 14. Remove the brown end cap and pull out the old 18. Grease the worm. Then wrap the belt to the RA worm and its two bearings. pulley and put back the whole worm assembly into the mount frame. 15.
- Page 4 Internal Use Only 22. Similarly, put the second washer back in the other side between the worm assembly and the mount frame. Insert the second axel into the bearing inside the worm assembly, and adjust the washer and worm assembly to make sure the second axle to go through the bearing, washer and the worm assembly.