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ABL77 Service Manual Chapter 5: Dismantling

Electronics Module

Introduction

This procedure describes the process for removing the electronics module from the

analyzer. The electronics module consists of the rear panel assembly and the

electronics boards.

CAUTION: Wear suitable protection gear during this procedure.

WARNING/

CAUTION:

NOTE: The electronics module may be replaced as a whole unit or to the

component level as described in this section.

NOTE:

NOTE: When replacing the electronics module, all data files will be lost. As

appropriate, follow instructions in the Operator’s Manual for downloading data

files prior to replacing the electronics module.

NOTE: The valve board and analog board are a matched set for the Hct and SC

circuits and must be calibrated when either is replaced. This also applies when

replacing the lower module or electronics module, which contains these boards.

Calibration is not required when these boards are only removed and put back into

the same analyzer. Refer to Chapter 4, Test and Calibration Procedures, for

instructions on performing this procedure.

Continued on next page

Rev. F 5-35

RADIOMETER ABL 77 Series User Manual

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