Maintenance 5-5
Replacing a Syringe
To replace a syringe, follow these steps:
1 Remove the liquid from the syringe.
2 Loosen the plunger lock screw approximately three full turns.
3 Lower the plunger drive by sending the [A3000R] command. If power is not
applied, the plunger drive can be manually lowered by firmly pushing down on
the plunger holder assembly.
4 Unscrew the syringe from the valve.
5 To install the syringe, do the following, as shown in Figure 5-1:
a Screw the syringe into the valve.
b Pull the syringe plunger down to the plunger holder assembly.
c Screw the syringe plunger into place.
NOTE Make sure the plunger lock screw is securely tightened.
Figure 5-1. Syringe Replacement
6
Re-initialize the pump.
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