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General| Brand | Bosch |
|---|---|
| Model | ETT 008.38 |
| Category | Measuring Instruments |
| Language | English |
Intervals for checking and maintaining the device in working order.
Tasks for competent maintenance agents, including filter replacement and sensor checks.
Process to measure and set test-gas concentrations for accurate analysis.
Allows checks and settings using the 'Select' button and codes.
Displays internal measured values and settings for repair assessment.
Adjusting mean values for air-pressure gauge and chopper motor recognition.
Adjusting upper-range values, temperature compensation, and country settings.
Procedure for checking the air-tightness of the exhaust-sample intake system.
Manual zero-tuning for O₂ channel for older software versions.
Automatic zero-tuning for O₂ channel for newer software versions.
Lists error messages related to temperature compensation failures.
Checks for damage, secure connections, and overall condition before operation.
Inspection and cleaning of probe, hose, condensation tank, and filters.
Monitors the device's start-up sequence, including version indication and system adjustment.
Verifies automatic system adjustment and stability of gas-measuring channels.
Tests fault monitoring by blocking inlets and checking for error messages.
Procedure for the half-yearly leak test using CO2 calibration gas.
Reading air pressure and setting analyzer altitude for accurate measurements.
Comparing displayed values with certified test-gas values and checking for errors.
Step-by-step procedure for fine-tuning measuring channels using specific test gases.
Adjusting the air-pressure gauge using reference points.
Lists error codes for HC, CO, CO2, O2 channels and their possible causes.
Lists error codes for flow, identification, sensor board, display control, altitude, and chopper motor.
Displays symbolic error texts for oil-temperature, engine-speed, O2 sensor, and leak tests.
Lists malfunctions like defective keys, pump, switch, or main switch.
Identifies causes of leaks and component checks.
Addresses flow faults during zero or test gas adjustments.
Procedures to check for blockages in zero-gas and test-gas systems.
Verifies pressure switches' operation using a multimeter.
Tests system air-tightness by monitoring pressure loss.
Measures pump delivery rate and adjustments if it fails.
Verifies protective conductor contact resistance.
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