Agilent 7890 Series Gas Chromatograph Maintenance Manual

About this manual

This document provides a comprehensive guide to maintaining the Agilent 7890 Series Gas Chromatograph (GC). It covers essential daily tasks such as column maintenance, injector upkeep, detector cleaning, and valve servicing. The manual includes specific instructions for various injection port types including split/splitless, PTV, COC, MMI, VI, FID, TCD, µECD, NPD, FPD+, and FPD. This manual is written in Chinese.

What's inside

• Maintenance Overview
• Tools and Materials Required
• Removing Covers
• Capillary Column Maintenance
• Split/Splitless Injector Maintenance
• PTV Injector Maintenance
• FID Detector Maintenance
• Auxiliary EPC Maintenance
• Valve Maintenance
• Swagelok Connections

Specifications

Frequently asked questions

What tools are required for maintenance?

The manual states that basic knowledge of using tools and operating the GC is required, along with specific consumables and parts listed in each chapter.

What basic operations must a reader know before performing maintenance tasks?

The reader must know how to safely switch the instrument on and off, call up methods, and change component temperatures, flows, and pressures.

What specific tool size is required to tighten 1/8-inch Swagelok fittings?

A pair of 7/16-inch wrenches is required to tighten 1/8-inch Swagelok fittings.

How many turns should a 1/4-inch Swagelok fitting be rotated to tighten it?

A 1/4-inch Swagelok fitting should be rotated 1-1/4 turns to tighten it.