Applied Biosystems 7900HT User Manual page 276

Chapter 7 Maintaining the Instrument
Aligning the Plate
Handler to the
Instrument
7-44 Applied Biosystems 7900HT Fast Real-Time PCR System and SDS Enterprise Database User Guide
September 1, 2004 11:39 am, CH_Maintenance.fm
The next step is to align the Plate Handler arm to the instrument tray (Zymark
position 2). This alignment will ensure a smooth exchange between the Plate Handler
arm and the instrument tray during operation of the instrument.
The following procedure requires you to position the Plate Handler relative to
Note:
the 7900HT instrument, Before moving the Plate Handler, loosen the three black
thumbscrews on the platform connecting the 7900HT instrument and the Plate
Handler.
1. If not already present, place an empty plate into input stack 1 (Zymark
position 4) and pick it up with the Plate Handler arm:
a. In the Zymark Twister Software, click position 4.
b. Click
c. Click
2. Click position 2.
The Plate Handler arm moves over the instrument tray.
3. Use Vertical Positioning to lower the Plate Handler arm until it is approximately
1 cm above the instrument tray.
4. Using the Rotary Adjustment arrows, center the gripper and plate along the
Y-axis of the instrument tray.
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5. Center the gripper and plate along the X-axis of the instrument tray by sliding
the Plate Handler and base towards or away from the 7900HT instrument.
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Center the plate
6. Again, using the software to move the Plate Handler arm, center the gripper and
plate along the Y-axis of the instrument tray as explained in step 4.
DRAFT
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Click here
Center the plate