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Bosch BEA 250 User Manual

Bosch BEA 250
103 pages
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1
Repair Instructions
Bosch Emissions Analysis
BEA 150
BEA 250
BEA 350
In conjunction with Service
software for PC

Table of Contents

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Bosch BEA 250 Specifications

General IconGeneral
BrandBosch
ModelBEA 250
CategoryMeasuring Instruments
LanguageEnglish

Summary

Important Information and Calibration Requirements

Compulsory Calibration Procedures

Details on mandatory calibration intervals and compliance with regulations.

Testing Equipment and Service Software Setup

Calibrating Gases and Certificates

Information on calibrating gas mixtures and manufacturer certificates.

Exhaust-Gas Analyzer Module Functions and Servicing

Unit Servicing Procedures

Detailed steps for half-yearly and yearly maintenance of the unit.

Checking the AMM Exhaust-Gas Analyzer Module

Writing and Adjusting Parameters

Setting country-specific parameters, lambda coefficients, and O2 sensor status.

NO-Sensor Operations

Monitoring, installing, and testing the NO measuring sensor.

Checking Control Module PCB and Peripherals

Interface Checks (DTM, RTM, AMM, OBD)

Testing various interfaces including DTM, RTM, AMM, and OBD connections.

OBD External Interface Testing

Functional tests for OBD external and 26-pin CAN interfaces.

Software Download Procedure

Instructions for downloading system software to the BEA module.

Engine Speed and Temperature Module (DTM) Checks

Diesel Diagnosis: Oil Temp & Engine Speed

Checking oil temperature and engine speed in Diesel Diagnosis mode.

Adjustment Functions Menu

Repairs and Component Replacement Procedures

Mains Voltage and Power Supply Checks

Adjusting mains voltage and checking power supply to PCBs.

Component Replacement Guides

Procedures for replacing the O2 sensor, pump, pressure sensor, and water separator.

Power Switch, Battery, and Hard Disk Replacement

Replacing power switch, battery, and hard disk components.

OBD and AWN Circuit Board Replacement

Procedures for replacing the OBD and AWN printed circuit boards.

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