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

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).

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

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.

In Lab Advisor go to Service & Diagnostics > Remove/Install

Pump Head and follow instructions given on the screen.

Open the doors.

Close all shut-off valves.

Remove the seal wash tubes.

Remove Pump Heads (Binary and High Speed Pumps)

Remove the Pump Head Assembly

Remove the capillary connection at the top of the secondary

pump head to the pump valve.

Remove the flow connection between the degassing unit and

the primary pump head inlet.

Loosen the inlet valve. Keep the inlet valve installed to the

pump head assembly.

Counter the lock screw of the heat exchanger capillary while

loosening the outlet valve. Keep the outlet valve installed to

the pump head assembly.

Loosen the high pressure filter. Keep the filter installed to the

pump head assembly.

Open the four screws holding the pump heads.

NOTE

Open the screws step by step, not screw by screw.

Remove Pump Heads (Binary and High Speed Pumps)

Remove the Pump Head Assembly

Remove the complete pump head assembly by holding both

heads and pulling it to the front.

Remove the seal wash tubing interconnecting the two pump

heads.

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

In Lab Advisor go to Service & Diagnostics > Remove/Install

Pump Head and follow instructions given on the screen.

Open the doors.

Remove the seal wash tubes.

DO NOT REMOVE the heat exchanger connection between the

pump heads marked by the red X.

;

Remove Pump Heads (Quaternary and Flexible Pumps)

Remove the Pump Head Assembly

Remove the capillary connection from the outlet adapter on the

secondary pump head to the pressure sensor.

Open the black plastic screw of the inlet valve at the bottom of

the primary pump head.

Turn the inlet valve 90 ° counterclockwise (1) and remove the

inlet weaver from the inlet valve (2).

Loosen the inlet valve. Keep the inlet valve installed to the

pump head assembly.

Counter the lock screw of the heat exchanger capillary while

loosening the outlet valve. Keep the outlet valve installed to

the pump head assembly.

Remove the four screws holding the pump heads.

NOTE

Open the screws step by step, not screw by screw.





Remove Pump Heads (Quaternary and Flexible Pumps)

Remove the Pump Head Assembly

Remove the complete pump head assembly by holding both

heads and pulling it to the front.

Remove the seal wash tubing interconnecting the two pump

heads.

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.

Remove the cables from the pump drive encoders.

Disconnect the power cables from the pump drive.

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