Gastester is an exhaust gas analyser that works on the “hot wire” or “thermal conductivity” principle: the thermal conductivity of exhaust gas varies in proportion to the amount of carbon monoxide present. Exhaust gas is pumped through the Gastester by an externally mounted Index pulse pump.
4. Preparations 5. Instructions for use before use Note: Place the main body of the instrument away from the exhaust gas stream. Clean air • Any service and maintenance such as air filter renewal, tappet adjustment, carburettor maintenance, ignition maintenance including ignition timing, should be carried out before is required in the internal reference cell for accurate readings.
6. Further Information 7. Common Problems Q. The car does not drive well with the correct idle mixture setting. General Notes A. This is a common complaint. On older vehicles the cause is likely to be a fuel system fault •...
Over the years hundreds of different types of carburettor have been designed and used and thus it is not possible to give a definitive guide to carburettor adjustment. For this reason Gunson strongly advise the use of vehicle manufacturer data and service instructions.
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