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Meade LX200 Classic Service Manual page 9

Procedures for removal and installation of printed circuit board and motor assemblies
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DEC Motor Removal
1. Remove the declination lock knob (unthread)
2. Remove the plastic cover that is attached by three mounting screws
3. At this point it is a good idea to see how the motor assembly lines up with the fork
arm mounting holes.
o Loosen (don't remove) the two worm block screws holding the motor assembly to
the mount.
o Replace the Declination lock knob.
o Gently rock the optical tube assembly back and forth and see how the motor
assembly flexes. Take note as this procedure is followed on assembly to seat the
worm wheel and to find the holes for the mounting screws.
4. Remove the declination lock knob.
5. Remove the motor assembly mounting screws.
6. Unplug the motor power cable from the inside fork arm connector.
7. Remove the declination slow motion knob if your telescope doesn't have a slot in the
fork arm for the slow motion shaft.
8. Pull the motor assembly out of the fork arm. Note there is a spring located between
the two sides of the motor assembly that ensures the proper meshing of the worm gear
with the worm wheel. Keep pressure on the motor assembly hinge while pulling it
out of the fork so the spring doesn't fall out when pressure is released.

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