3.4. Pipetting arms
e pipetting arms are used to suction and dispense uids. ere are three arms, two for handling reagents and one
for handling samples.
e pipetting arms are comprised of a housing (1) that covers the tip connections (6) and the electronic board (2).
e tip and board assembly, attached to a support, is the mobile part of the arm. e assembly is raised by a guide
tube (9) and the wires and tubes connected to the tip pass through this tube. e raising operation is executed with
a motor (10) that transmits the movement through a pulley (11) to a belt joined to the guide tube (9). e angular
movement is executed with the motor (4) by means of a belt (3) which makes the guide tube rotate (9).
Figure 3.13 Pipetting arm assembly
3
4
5
2
1
8
9
10
11
6
7
Figure 3.14 Reagent tip
15
12
14
13
2
16
17
6
Service Manual
26
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