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1100 Series Nano Pump Service Manual
117
Repairing the Pump
3
Exchanging the EMPV Assembly
Exchanging the complete EMPV
1
Turn the pump off.
2
Remove the pump from the stack and remove the top cover and foam.
3
Using a 1/4 inch wrench disconnect the capillaries:
•
going to the flow sensor.
•
coming from the filter.
4
Disconnect the waste tube. Beware of leaking solvents due to hydrostatic
pressure.
5
Disconnect the EMPV connector (P9) on the main board see
6
Using a hex key, unscrew the complete EMPV and remove it.
7
Screw a new one in place.
8
Reconnect the capillaries:
•
going to the flow sensor.
•
coming from the filter.
9
Run the EMPV test see
Frequency
If valve internally leaking
If unstable column flow in micro mode
If column flow and system pressure drops from time to time.
Tools required
Wrench 1/4 inch
Wrench 14 mm
Wrench 7/16 inch
Parts required
EMPV assembly G1361-60000
Summary of Contents for 1100 Series
Page 1: ...s1 Agilent 1100 Series Nano Pump Service Manual ...
Page 4: ...iv 1100 Series Nano Pump Service Manual ...
Page 12: ...xii 1100 Series Nano Pump Service Manual Agilent Technologies on Internet 269 Index 271 ...
Page 32: ...20 1100 Series Nano Pump Service Manual 1 Installing the Pump ...
Page 114: ...102 1100 Series Nano Pump Service Manual 2 Troubleshooting and Test Functions ...
Page 204: ...192 1100 Series Nano Pump Service Manual 4 Parts and Materials ...
Page 242: ...230 1100 Series Nano Pump Service Manual 5 Introduction to the Nano Pump ...
Page 265: ...1100 Series Nano Pump Service Manual 253 Control Module Screens for the Nano Pump 6 ...
Page 272: ...260 1100 Series Nano Pump Service Manual 7 Specifications ...
Page 282: ...270 1100 Series Nano Pump Service Manual A Safety Information ...
Page 287: ......