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View inside the RA Base with the
motor and worm assemble removed. The motor/worm bracket and spacer
is still mounted in the housing. For those of you who will attack me
for not having any grease on my drive gear, this image was taken during
the chip removal and cleaning process reassembly and the grease is the
next thing to be installed! Note the little set screw to the left of
the right hand bracket securing screw, this set screw controls the free
play in the RA Worm and Driven gear. It is supposed to be "loctited"
during the manufacturing process but there have been reports of many
coming loose and causing slop in the RA axis. Look here for
instructions to cure the RA Slop.
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The LX50 RA Motor and worm gear
assembly mounted on the bracket and spacer (removed from the RA
Housing). There are two motor assemblies in existence,
The 1K motor (newer scopes of the last 1 1/2 to 2 years) The 500K motor (Earlier scopes)
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RA Motor assembly mounting bracket
and spacer, note the RA backlash setscrew.
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RA Bearings, driven gear and
clutch hub.
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Bearing mounting on the top side
of the RA housing. This view shows the different sizes of the
bearings. Note the casting defects in the top of the bearing
mounting, this does not appear to have any effect of the strength of
the assembly, though it sure looks ugly!
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Bottom side of the empty RA housing. |