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Lock the R.A. axis and gently pull the belt to turn
the worm in both directions. You should be able
to pull rotate the R.A. gear smoothly and evenly.
If you feel it is difficult to pull the belt in one
direction, the worm/gear meshing is not evenly.
Slightly release four gear positioning screws and
adjust the worm assembly.
9. Gently push down the R.A. module with your
finger to feel if the Tension Spring is loaded.
Normally, the module can be pressed down and
sprint back right away when the finger is released.
The travel range is about 1mm. If the spring is
loaded properly, go to Step 14.
10. The spring locates under the R.A. board.
11. Remove the R.A. board by unscrewing three
screws.
Internal Use Only
12. Loose the locking nut use a pair of nose pliers
first. Use a 2mm wrench to release the treaded
post ½ turn. Press the R.A. module again to
check. Tighten the threaded post when finished. t
13. Replace the R.A. board and tighten the screws.
14. Insert the black main board base fixture under
the R.A. assembly. Secure the fixture by
tightening two screws (one on each side).
15.
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