7-36
Removal (continued):
A disposable tip gripped with a pair of pliers may also used to open the stop disk.
The diposable Tip prevents any scratches to the stop disk. After removal of the Stop
disk throw used disposable tip away.
Nothing more than the above mentioned items may replaced or repaired. If any
drive or other function are defective replace the Pipetting Head.
Reassembly:
Instructions are basically the reverse of disassembly instructions.
• Carefully tighten the Stop Disk by hand. Do not use any Tool e.g. Pliers and do
not use excessive force, just turn it into place.
• As per Drawing above, tighten 3 screws with 30 cNm and one screw with 20
cNm (the second from above).
Attention: Check for appropriate Dip Switch setting on channels (300, or 1000
µ
l
Pipetting Heads). Refer to section 8.1.6 Node settings on page 8-5.
Adjustment:
After replacment run the necessary Adjustment procedures as described in section
6 Adjustment and Calibration on page 6-1.
7.8.4 Part Numbers for original and replacement Parts
Note: Original equipped Microlab
STAR instruments carry Pipetting Heads with the
following Part Numbers (Label on Pipetting Heads):
P/N 173303 = 300
µ
l PIPETTING Head
P/N 173304 = 1000
µ
l PIPETTING Head
Ordering:
The replacement Pipetting Heads must ordered by Part Number as follows:
P/N 182105 is a 300
µl Pipetting Head
P/N 182106 is a 1000
µl Pipetting Head
The Label on replacement Channels will show:
Part Number 173303 for 300
µl Pipetting Head
Part Number 173304 for 1000
µl Pipetting Head
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