Microlab
®
STAR Service Manual
6-18
Pipetting Channel Alignment (continued)
Mechanical Adjustment procedure:
1. Carefully move the Pipetting Arm to a desired position on the deck
2. Uncover Pipetting Arm and remove both Y-Spindles.
3. Place Pipetting Channel Adjustment Tool P/N 173952 as shown onto Pipetting
Arm's upper Y-Guide shafts (approximately in the middle of Pipetting Arm).
4. Gently move Pipetting Channel Z-Guide shaft into Adjustment Tool reference
grooves.
If necessary loosen first Pipetting Channels locking set screws and then slightly
loosen fixing screws to make it fit.
5. Pipetting Channel Z-Guide shaft must slide into reference grooves without
sticking.
6. Check for absolute parallelity between Z-Guide shaft and reference grooves. No
Gap should be visible.
7. Freeze adjustment positioning by tightening all loose fixing screws.
8. Verify Adjustment and check again for absolute parallelity between Z-Guide shaft
and reference grooves.
9. Finally thighten Pipetting Channels locking set screws.
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