Agilent Technologies 1290 infinity Manuale utente

111

1290 Infinity TCC User Manual

Agilent Technologies

Maintenance

Introduction to Maintenance and Repair 112

Cautions and Warnings 113

Overview of Maintenance 115

Cleaning the Column Compartment 116

Changing Column Identification Tags 117

Adding Heater Devices 119

Installing the capillaries 124

Correcting Leaks 131

Replacing Head Parts of Column Switching Valve 133

Replacing Valve Heads 136

Preparing the Column Compartment for Transportation 140

Replacing the Module Firmware 143

This chapter describes the maintenance tasks for the TCC. If the instrument

needs repair please contact your Agilent service representative.

112 1290 Infinity TCC User Manual

8Maintenance

Introduction to Maintenance and Repair

The module is designed for easy maintenance. The most frequent

maintenances such as maintaining valve heads (if optional valve drive is

installed) or replacing low dispersion heat exchangers can be done from the

front with module in place in the system stack.

NOTE

There are no serviceable parts inside.

Do not open the module.

1290 Infinity TCC User Manual 113

Maintenance 8

Cautions and Warnings

WARNING

Toxic, flammable and hazardous solvents, samples and reagents

The handling of solvents, samples and reagents can hold health and safety risks.

➔When working with these substances observe appropriate safety procedures (for

example by wearing goggles, safety gloves and protective clothing) as described in

the material handling and safety data sheet supplied by the vendor, and follow good

laboratory practice.

➔The volume of substances should be reduced to the minimum required for the

analysis.

➔Do not operate the instrument in an explosive atmosphere.

CAUTION

Hot heat exchangers

The column compartment has two heat exchanger assemblies that might be hot.

➔Allow them to cool down before starting repairs.

WARNING

Electrical shock

Repair work at the module can lead to personal injuries, e.g. shock hazard, when the

cover is opened.

➔Do not remove the cover of the module.

➔Only certified persons are authorized to carry out repairs inside the module.

114 1290 Infinity TCC User Manual

8Maintenance

Cautions and Warnings

WARNING

The module is partially energized when switched off, as long as the power cord is

plugged in.

Repair work at the module can lead to personal injuries, e.g. electrical shock, when

the cover is opened and the module is connected to power.

➔Always unplug the power cable before opening the cover.

➔Do not connect the power cable to the instrument while the covers are removed.

WARNING

Personal injury or damage to the product

Agilent is not responsible for any damages caused, in whole or in part, by improper

use of the products, unauthorized alterations, adjustments or modifications to the

products, failure to comply with procedures in Agilent product user guides, or use of

the products in violation of applicable laws, rules or regulations.

➔Use your Agilent products only in the manner described in the Agilent product user

guides.

CAUTION

Safety standards for external equipment

➔If you connect external equipment to the instrument, make sure that you only use

accessory units tested and approved according to the safety standards appropriate

for the type of external equipment.

CAUTION

Sample degradation and contamination of the instrument

Metal parts in the flow path can interact with the bio-molecules in the sample leading

to sample degradation and contamination.

➔For bio-inert applications, always use dedicated bio-inert parts, which can be

identified by the bio-inert symbol or other markers described in this manual.

➔Do not mix bio-inert and non-inert modules or parts in a bio-inert system.

1290 Infinity TCC User Manual 115

Maintenance 8

Overview of Maintenance

The following pages describe maintenance procedures (simple repairs) that

can be done without opening the main cover.

Table 20 Maintenance Procedures

Procedure Typical Frequency Notes

“Cleaning the Column

Compartment” on page 116

If required

“Changing Column

Identification Tags” on

page 117

When column performance or new

application requires a change

“Adding Heater Devices” on

page 119

When new application requires a

change

“Installing the capillaries” on

page 124

When new application requires a

change

“Correcting Leaks” on page 131 If a leak has occurred Check for leaks

“Replacing Valve Heads” on

page 136

If the valve performance shows

indication of leakage or wear

“Preparing the Column

Compartment for

Transportation” on page 140

If the TCC shall be transported

“Replacing the Module

Firmware” on page 143

If required

116 1290 Infinity TCC User Manual

8Maintenance

Cleaning the Column Compartment

To keep the module case clean, use a soft cloth slightly dampened with water,

or a solution of water and mild detergent.

WARNING

Liquid dripping into the electronic compartment of your module can cause shock

hazard and damage the module

➔Do not use an excessively damp cloth during cleaning.

➔Drain all solvent lines before opening any connections in the flow path.

1290 Infinity TCC User Manual 117

Maintenance 8

Changing Column Identification Tags

The column compartment is equipped with a column-identification system,

that stores column specific information. Two identification tag readers are

incorporated in the heat exchanger assemblies.

Figure 25 Column-Identification System

1The identification tag can be easily removed from the column.

2The tag needs to be placed differently, depending on whether the column is

installed at the left or right heat exchanger, see Figure 26 on page 118 and

Figure 27 on page 118. The Agilent logo should always be at front.

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IV\gZVYZgh

When If column is used on the opposite heat exchanger or a tag is added to a new column.

Parts required # p/n Description

1 5062-8588 Column identification tag (1x), re-order (3/pk)

118 1290 Infinity TCC User Manual

8Maintenance

Changing Column Identification Tags

When correctly placed on the heat exchanger, the distance between tag and

tag reader is 1 – 2 mm. This is the optimum distance for proper function.

Figure 26 Column-Identification Tag for Left Heat Exchanger

Figure 27 Column-Identification Tag for Right Heat Exchanger

3For columns with small diameter, a cable tie wrap should be used to fix the

column identification tag to the column. Assure that the tie wrap does not

block the front cover.

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1290 Infinity TCC User Manual 119

Maintenance 8

Adding Heater Devices

The additional heater devices can be arranged in the G1316C in various

locations depending on the application needs. Some examples are shown

below.

Figure 28 Arrangements of Heater and Cooling Devices

120 1290 Infinity TCC User Manual

8Maintenance

Adding Heater Devices

Figure 29 Typical positions of the low dispersion heat exchangers

The heater devices are mounted on a carrier that can be fitted to the left

and/or right heat exchangers.

NOTE

If the additional heater devices are used as shown above, the column identification system

cannot be used. If the column identification system is required, fix the heater devices in the

upper or lower locations or fix them right/left of the current location.

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