LPG Vehicles

LP GAS The tank

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PURPOSE
The tank is designed to store liquid gas, and depending on the country, may come in many different shapes and sizes, providing different capacities.  An LP gas tank is checked before it is sold and is best checked every ten years for leaks or wear.  Gas tanks are designed to hold eighty percent of their capacity to allow for expansion.

THINGS TO LOOK FOR
An LP gas tank may be checked with warm, soapy water for leaks as well as ...

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LP GAS PETROL SOLENOID

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PURPOSE
The petrol solenoid is designed to allow petrol through it when energised, may be applied when starting  up the vehicle on gas.  Some vehicles fitted with electronic fuel injection may automatically start up on petrol, then when the rpm reaches 2000 the engine will switch over to gas.  Therefore it is important to keep at least a 1/4 tank of petrol for this reason.

THINGS TO LOOK FOR
Petrol solenoids are only as good as their connections.  Petrol solenoids are ...

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LP GAS Mixer

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PURPOSE
The mixer is designed to mix the low pressure gas with the correct measure of air creating a specific air fuel ratio, providing a combustible mixture ready for the combustion chamber.

THINGS TO LOOK FOR
The mixer rarely goes wrong so long as it is connected correctly.  Over a period of time the air gallery lodged under the tubing may work loose and the tubes need to be resecured.  If the tubes are cracked on the ends it will be ...

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LP GAS Gas solenoid

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PURPOSE
The gas solenoid is designed to allow liquid gas to pass through when it is energised.  The gas solenoid is energised by 12 volts supplied from the safety switch.  The gas solenoid switch is most reliable when the earth connection is secure and the positive connection to it is soldered.  The gas solenoid may also carry a filter.  This filter ishould be checked every 10,000Kms to prevent it from clogging up. 

THINGS TO LOOK FOR
A very common problem is ...

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LP GAS Convertor

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PURPOSE
The gas converter is designed to receive high pressure liquid petroleum gas and convert it to a low pressure gas.  This is achieved by water passing through this component to prevent it from icing up.  The gas converter consists of two chambers, a high pressure chamber and a low pressure chamber attached to a diaphragm which is connected to a needle valve to allow the low pressure gas to the mixer thus mixing the air at the correct ratio ...

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Gas Adjustments

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PURPOSE
The gas adjustments are calibrated best by the use of a Dynometer as this will provide the most accurate measure of torque thus maximising the fuel economy.  There are basically three adjustments to be made on any gas system.  They are idle, cruising and full throttle.  The idle should be the only one requiring adjustment and the full throttle and cruising adjustment are best performed on a Dyno by a qualified gas fitter, preferably every 10,000Kms.

THINGS TO LOOK FOR
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LP GAS

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PURPOSE
The basic function of a gas system is the liquid gas is stored in a tank under pressure.  When the ignition is turned on and the toggle switch is switched to gas, a safety switch is energised by a pulse from the ignition system switching the gas solenoid on allowing gas to pass through the solenoid to the converter.  The converter receives high pressure liquid and converts it to a low pressure gas, delivering it to a mixer.  The ...

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LPG Vehicles

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Recently have you noticed that when you shop around at different suppliers or stations that some times you seem to get more per km. Well I have decided to conduct a simple test over the next month. My plan is to choose the major fuel outlets to see if I can get more per km  or if they are all the same. Now don’t let me do all the hard work, if you wish to participate join me and offer ...

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