5 • Service
Doc. 065125-01 10/06
55
5.4
Replacing the Syringe Pump Distribution Valve
5.4.1
Removing the Existing Valve
1. Remove as much fluid as possible from the system by cycling the
syringe pump and using air as the system fluid.
2. Initialize the syringe pump in
Chromeleon to ensure that
the valve motor shaft is in the
correct position:
a.
Turn off the power, wait
10 seconds, and turn on
the power again.
b. In the Commands dialog
box, select
SyringeReset
and click
OK
.
3. Remove the syringe and
tubing. Set the syringe aside
in a safe place.
4. Remove the socket head
screws on the front of the
valve, and then remove the
valve from the pump (see
Do not remove
the spacer.
Figure 5-7. Removing the Syringe Pump Valve
Remove the plunger lock
screw
Remove the (4) screws
Содержание AS-HV
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