IAI America LSA-W21SS - Manual (Page 50)

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[3] Remove the side cover.
Once the side cover is removed, you should see the linear scale at the bottom.
(3) Take a small amount of alcohol in a dry cloth and wipe the linear scale with the cloth in gentle action
to remove any soiling.
Caution:
Do not wipe the linear scale with a strong force. Also, exercise caution not to scratch the
scale surface. If the surface is scratched, you may no longer get the correct readings.
Side cover
Before removing the side cover
After removing the side cover
Linear scale