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position at which the z-index LED changes state. Again, this should be within ± 0.2 ° of β z-index
setting.
26. Remove the weight and cycle the machine to Head-Up at least 3 consecutive times (be sure the
needle in the needle bar clears the dial indicator plunger during this step).
27. Cycle the machine to its Bottom Center position and replace the weight. (Be careful not to let the
gauge pin “slam” against the indicator plunger because this may cause damage).
28. Decrease the angular position by at least 0.004” from this position.
29. Increase the angular position to the point where the needle starts to rise (= “Z Lower Dwell
Stop”).
30. Continue to increase the angular position until 0.001” rise (= “Z 0.001” Rise”) is measured. The
corresponding angular position at this point should be 182.5± 0.5°. If not, repeat the procedure
from the beginning.
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