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General| Brand | Gunson |
|---|---|
| Model | G4125 |
| Category | Measuring Instruments |
| Language | English |
Describes the calibrated volume percent carbon monoxide display.
Explains how to set the display to 2.0% for calibration.
Details the battery connection cable for the instrument.
Describes the metal pipe used for insertion into the exhaust.
Discusses why a car might not drive well despite correct idle mixture.
Explains reasons for a consistently rich mixture setting.
Covers issues where the setting is consistently too weak.
Addresses engine misfires and instability at idle.
Explains why the mixture setting might drift over time.
Details causes for the Gastester giving errors or slow responses.
Troubleshooting steps for calibration issues after warm-up.
Details a rigidly fixed needle type for carburettor fuel metering.
Describes a spring-loaded needle type for improved fuel metering accuracy.
Describes idle adjustment for SU type carburettors.
Details idle adjustment procedures for CD type carburettors.
Idle adjustment for twin venturi carburettors with progression type.
Idle adjustment for twin venturi carburettors with simultaneous type.
Specifies the calibrated range and accuracy of the CO function.
Warns about potential interference from engines and electronics.
Highlights importance of correct electrical connections and component integrity.
Advises on troubleshooting erratic display or system problems.
Recommends careful testing away from sensitive electronic equipment.
Provides contact details for technical service enquiries.
Specifies the address for returning the product for service or repair.
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