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Agilent Technologies G1531-67000, Инструкция по эксплуатации

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Agilent Technologies

Agilent FID Maintenance Kit Instructions

For 7890, 7820, 6850, and 6890 Series GCs

Overview

This document contains instructions for two different FID 
Maintenance Kits.

Please review the whole document before starting the 
procedures.

Materials Required for FID Maintenance

•

One of the two maintenance kits listed in 

Table 1

.

•

The appropriate FID Jet for your configuration and 
application. See 

“Selecting a Replacement FID Jet” 

on page 2.

•

T20 Torx screwdriver.

•

1/4-inch nut driver.

•

Tweezers.

•

1/4 x 5/16-inch wrench.

•

7/16 x 9/16-inch wrench if adaptable FID.

Table 1

Available FID Maintenance Kits

Part Number

Description

Purpose

G1531-67000

FID Maintenance Kit for “

Cleaning

”

Contains

: Instructions, ignitor glow-plug, 

2 PTFE collector insulators, FID housing gasket, 

cleaning brushes, jet cleaning wire

Key parts are replaced, most are cleaned per 

the instructions provided. Jet and column 

adapter ordered separately. More labor 

intensive – about 1 hour labor.

G1531-67001

FID Maintenance Kit for “

Rebuilding

”

Contains

: Instructions and a complete FID 

collector assembly

The entire collector assembly including the 

ignitor is replaced.
The jet and column adapter must be ordered 

separately – about 15 minutes labor.

Содержание G1531-67000

Страница 1: ... 4 x 5 16 inch wrench 7 16 x 9 16 inch wrench if adaptable FID Table 1 Available FID Maintenance Kits Part Number Description Purpose G1531 67000 FID Maintenance Kit for Cleaning Contains Instructions ignitor glow plug 2 PTFE collector insulators FID housing gasket cleaning brushes jet cleaning wire Key parts are replaced most are cleaned per the instructions provided Jet and column adapter ordere...

Страница 2: ...ature is reached set the oven to OFF 2 Set the FID flame to OFF 3 Set the FID temperature to OFF 4 Remove the column from the FID Selecting a Replacement FID Jet Determine your type of FID Your FID will be one of two types Capillary Optimized or Adaptable for capillary and packed columns Capillary Optimized Jets ID Jet type Part number Jet tip id Length 1 Capillary G1531 80560 0 29 mm 0 011 inch 4...

Страница 3: ...nch 61 5 mm 2 Capillary high temperature use with simulated distillation 19244 80620 0 47 mm 0 018 inch 61 5 mm 3 Packed 18710 20119 0 46 mm 0 018 inch 63 6 mm 4 Packed wide bore use with high bleed applications 18789 80070 0 76 mm 0 030 inch 63 6 mm WARNING During this maintenance procedure wear safety glasses and follow normal standard safety procedures ...

Страница 4: ...ove the three T20 Torx screws that secure the collector to the FID body CAUTION Components can be damaged by static electricity be sure to wear an ESD strap grounded to the GC chassis while performing this procedure CAUTION The next step exposes the interconnect spring Be careful not to touch or disfigure the spring while working on the FID Any dirt or bending will reduce the sensitivity of your d...

Страница 5: ... Maintenance Kit Instructions 5 3 Remove the collector assembly NOTE If you are using the Rebuilding Kit part number G1531 67001 proceed to Remove the Jet on page 13 to complete the appropriate procedures ...

Страница 6: ...assemble the collector assembly Figure 1 Parts included in the FID Cleaning Kit jet cleaning wire not shown 1 Remove the ignitor with a 5 16 inch wrench 2 Loosen and remove the knurled brass retaining nut and spring washer CAUTION To avoid contaminating the FID wear clean lint free gloves when handling the collector assembly ...

Страница 7: ...FID Maintenance Kit Instructions 7 3 Remove the castle assembly 4 Remove the collector and upper PTFE insulator 5 Remove the Lower PTFE Insulator ...

Страница 8: ...g gasket Cleaning the FID components Procedure cleaning the collector 1 Clean the inside of the collector with methanol using the larger brush provided in the kit 2 Rinse the inside and outside of the collector with methanol 3 Air dry the collector handle with gloves or tweezers ...

Страница 9: ...d water 5 Rinse all surfaces of the parts in methanol inside and outside surfaces To insure good rinsing use either a PTFE wash bottle or a beaker Figure 2 Castle assembly WARNING This procedure summarizes the general steps for cleaning the parts You need to follow the standard safety practices of your laboratory for handling chemicals For example wear the appropriate safety eye glasses lab coat a...

Страница 10: ...embly 1 Insert the first PTFE insulator from the kit into the collector housing 2 Insert the cleaned collector through the PTFE Insulator The long end goes down 3 Place the second insulator over the collector Long end Orientation of the collector and insulators in the FID ...

Страница 11: ... Place the castle assembly on top of the collector with the threaded hole for the ignitor oriented toward the slot for the interconnect 5 Place the spring washer over the castle and screw on the knurled nut 6 Tighten the knurled nut firmly ...

Страница 12: ...ollector assembly and install the new silicone rubber gasket 8 Make sure that the gasket lays flat against the bottom of the collector 9 Install the new ignitor with the copper washer installed as shown below 10 Tighten the ignitor with a 5 16 inch wrench ...

Страница 13: ...13 Remove the Jet Continued from page 5 if you are using the Rebuilding Kit part number G1531 67001 1 Loosen the FID jet with a 1 4 inch nut driver 2 Remove the jet using tweezers be careful not to touch or bend the interconnect spring ...

Страница 14: ...tructions 3 Examine the detector base for any particulates blow out the base with compressed air or nitrogen Clean the Detector Base Clean any built up graphite from the detector base The Capillary Optimized base is shown below ...

Страница 15: ...cleaned using the following procedure 1 Run a 010 inch cleaning wire through the tip of the jet 2 Run the wire back and forth a few times until it moves smoothly Be careful not to scratch the jet 3 Optional Immerse the jet in a beaker of aqueous detergent Place it in an ultrasonic bath for 1 5 minutes 4 Rinse the jet in methanol 5 Air dry the jet The FID jet should not be re used more than once CA...

Страница 16: ...leaned Collector Assembly 1 Carefully lower the new or cleaned and reassembled collector assembly straight down on to the FID base the interconnect spring will move into the correct position 2 Secure it firmly with the three T20 Torx screws CAUTION If you are re using the old jet be very careful not to over tighten the jet to avoid breaking it off in the FID Base ...

Страница 17: ...urrent The output should be stable and 1 0 pA 4 Enter or reload your method 5 Light the flame 6 Bakeout the detector at 350 C for 20 minutes 7 Set the FID to normal operating temperature WARNING Inlets detectors and the oven are insulated with fibrous materials which may cause irritation to skin eyes and or mucous membranes Always wear gloves when working with the insulation Additionally if the in...

Страница 18: ...rmation contained herein including but not limited to the implied warranties of merchantability and fitness for a particular purpose Agilent shall not be liable for errors or for incidental or consequential damages in connection with the furnishing use or performance of this document or of any information contained herein Should Agilent and the user have a separate written agreement with warranty ...

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