Agilent Technologies 1290 Infinity II Instruction Manual

Agilent Technologies
Agilent 1290 Infinity II
Long Life Pump Head
Technical Note
This Technical Note describes installation and maintenance of Long Life Pump Heads
for Agilent 1290 Infinity and 1290 Infinity II pumps.
Contents
Introduction 2
Long Life Upgrade Kit (Binary and High Speed Pumps) 3
Long Life Upgrade Kit (Quaternary and Flexible Pumps) 3
Remove Pump Heads (Binary and High Speed Pumps) 4
Remove Pump Heads (Quaternary and Flexible Pumps) 7
Replace the Pump Drives (Binary and High Speed Pumps) 10
Replace the Pump Drive (Quaternary and Flexible Pumps) 12
Pump Head Maintenance (Tool Free) 13
Install Long Life Pump Heads (Binary and High Speed Pumps) 24
Install Long Life Pump Heads (Quaternary and Flexible Pumps) 26
Pump Head Parts 28
Seal Wash Function 33
Install the Seal Wash Function (Binary Pump) 33
Install the Seal Wash Function (Quaternary Pump) 35
Seal Wash Upgrade Kit (Binary Pump) 38
Seal Wash Upgrade Kit (G4204A) 39
Upgrade the Valve Support (G4204A only) 40

2
Introduction
Introduction
Long Life Pump Heads are available for the following pump types:
•1290 Infinity Quaternary Pump (G4204A)
•1290 Infinity Binary Pump (G4220A/B)
•1290 Infinity II Flexible Pump (G7104A)
•1290 Infinity II High Speed Pump (G7120A)
Upgrading a pump from conventional pump heads to Long Life Pump Heads requires
the exchange of the pump drive(s).

3
Long Life Upgrade Kit (Binary and High Speed Pumps)
Long Life Upgrade Kit (Binary and High Speed Pumps)
Long Life Upgrade Kit (Quaternary and Flexible Pumps)
Item p/n Description
G4220-60250 Drive Unit Channel A Pendulum
G4220-60260 Drive Unit Channel B Pendulum
G4220-60350 Long Life Pump Head Channel A
G4220-60360 Long Life Pump Head Channel B
80515-6154 Screw-Socket-HD-Cap Hex-Recess M5X0.8 40
01200-90121 Agilent 1290 Infinity II Long Life Pump Head Technical Note
5067-6197 Seal Handling Device
5043-1400 Pump Head Holder
G4220-68712 1290 Infinity Binary Pump Seal Wash Pump Kit
01200-90091 1290 Infinity Pump Quick Reference Sheet
Item p/n Description
G4220-60250 Drive Unit Channel A Pendulum
G4220-60350 Long Life Pump Head Channel A
40515-6154 Screw-Socket-HD-Cap Hex-Recess M5X0.8 40
01200-90121 Agilent 1290 Infinity II Long Life Pump Head Technical Note
5067-6197 Seal Handling Device
5043-1400 Pump Head Holder
G4204-68712 Seal Wash Upgrade Kit for 1290 Quaternary Pump
G4204-04000 Valve Support
G7104-20000 HP Filter Housing
G4204-60004 Outlet filter 1290 Infinity Quaternary Pump
5067-4656 Capillary ST, 0.25 mm x 80 mm
01200-90091 1290 Infinity Pump Quick Reference Sheet

4
Remove Pump Heads (Binary and High Speed Pumps)
Remove the Pump Head Assembly
Remove Pump Heads (Binary and High Speed Pumps)
The following procedure shows how to remove a pump head from a High Speed Pump
(G7120A). Removing pump heads from Binary Pumps (G4220A/B) can be done in the
same way.
Remove the Pump Head Assembly
Tools required p/n Description
G7120-68708 HPLC System Tool Kit-Infinity-II
NOTE
This procedure describes the replacement of the left pump head assembly (channel A). Similarly,
the right pump head assembly (channel B) can be replaced.
One pump head assembly consists of two pump heads, which are both removed at the same time.
1 In Lab Advisor go to Service & Diagnostics > Remove/Install
Pump Head and follow instructions given on the screen.
2 Open the doors.
3 Close all shut-off valves. 4 Remove the seal wash tubes.

5
Remove Pump Heads (Binary and High Speed Pumps)
Remove the Pump Head Assembly
5 Remove the capillary connection at the top of the secondary
pump head to the pump valve.
6 Remove the flow connection between the degassing unit and
the primary pump head inlet.
7 Loosen the inlet valve. Keep the inlet valve installed to the
pump head assembly.
8 Counter the lock screw of the heat exchanger capillary while
loosening the outlet valve. Keep the outlet valve installed to
the pump head assembly.
9 Loosen the high pressure filter. Keep the filter installed to the
pump head assembly.
10 Open the four screws holding the pump heads.
NOTE
Open the screws step by step, not screw by screw.

6
Remove Pump Heads (Binary and High Speed Pumps)
Remove the Pump Head Assembly
11 Remove the complete pump head assembly by holding both
heads and pulling it to the front.
12 Remove the seal wash tubing interconnecting the two pump
heads.

7
Remove Pump Heads (Quaternary and Flexible Pumps)
Remove the Pump Head Assembly
Remove Pump Heads (Quaternary and Flexible Pumps)
The following procedure shows how to remove a pump head from a Flexible Pump
(G7104A). Removing pump heads from Quaternary Pumps (G4204A) can be done in
the same way.
Remove the Pump Head Assembly
Tools required p/n Description
G7120-68708 HPLC System Tool Kit-Infinity-II
1 In Lab Advisor go to Service & Diagnostics > Remove/Install
Pump Head and follow instructions given on the screen.
2 Open the doors.
3 Remove the seal wash tubes. 4 DO NOT REMOVE the heat exchanger connection between the
pump heads marked by the red X.
;

8
Remove Pump Heads (Quaternary and Flexible Pumps)
Remove the Pump Head Assembly
5 Remove the capillary connection from the outlet adapter on the
secondary pump head to the pressure sensor.
6 Open the black plastic screw of the inlet valve at the bottom of
the primary pump head.
7 Turn the inlet valve 90 ° counterclockwise (1) and remove the
inlet weaver from the inlet valve (2).
8 Loosen the inlet valve. Keep the inlet valve installed to the
pump head assembly.
9 Counter the lock screw of the heat exchanger capillary while
loosening the outlet valve. Keep the outlet valve installed to
the pump head assembly.
10 Remove the four screws holding the pump heads.
NOTE
Open the screws step by step, not screw by screw.



9
Remove Pump Heads (Quaternary and Flexible Pumps)
Remove the Pump Head Assembly
11 Remove the complete pump head assembly by holding both
heads and pulling it to the front.
12 Remove the seal wash tubing interconnecting the two pump
heads.

10
Replace the Pump Drives (Binary and High Speed Pumps)
Remove the Pump Head Assembly
Replace the Pump Drives (Binary and High Speed Pumps)
When If the pump drive is damaged.
Parts required p/n Description
G4220-60250 Drive Unit Channel A Pendulum
G4220-60260 Drive Unit Channel B Pendulum
Preparations •Bring the pump drives to their maintenance position and remove the pump heads
•Remove the main board
•Remove the middle layer foam
CAUTION
Sensitive pump drive encoder
The pump drive encoder can be damaged easily.
➔ Do not apply tension to it during removal or installation.
NOTE
This procedure describes the removal of the pump drive assembly for channel A. One pump drive
assembly consists of two individual drives that are connected.
1 Remove the cables from the pump drive encoders. 2 Disconnect the power cables from the pump drive.