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Hitachi 902 - Adjustment of R.probe Descent to Bottle Position

Hitachi 902
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14 - 18
(7) Adjustment of R.probe Descent to Bottle Position
(a) Details of operation
Stop operation at abnormal descent, and record height of R1.
(Produce a STOP level alarm. And display it on Maintenance screen.)
Displayed height is value (descent pulses +7) converted to mm (0.07501
mm/pulse).
Probe descent position is predetermined at No. 1 position on outer row.
Operator must pull out bottle.
(b) Extent of operation
1) Rotation angle : Reference value (pulse count) is subjected to no. of
correction pulses set on System Parameters screen, and
corrected pulse count shall be used.
2) Descent amount : Should descend to lowermost point (114.0 mm) at constant
speed.
End
Start
(rinse bath)
Descends at
constant speed.
R1
R1 disk outer row
Above cell
Conditions for stopping:
When mechanism STOP
level alarm occurs.

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