Choosing the best generator

Load shedding is an unfortunate reality for South Africans. Businesses and households are looking for alternative power sources to get them through the current ‘dark age’ and many consumers are looking to buy a generator. Buying a generator is almost like buying a car, there are many aspects to take into consideration, including examples like what size of generator is required, how to maintain the generator, noise levels of the generator, after sales service etc. It can be quite daunting for buyers.

STEPS TO BUYING A GENERATOR

First step in selecting a generator is to understand what level of power usage is required. Below isa list of the most commonly used products as a reference point. This chart is a guide line and actualconsumption may vary by product and manufacturer brands. Refer to product manuals to establishexact power usage.

WORK/DIY USAGE

Electric motors that use brushes will have a coefficient of approximately 1.4. This means that the start-up power must be multiplied by the coefficient. For example, a 500W power drill will require an additional 700W start up power therefore the total required power to operate the drill is 500W + 700W = 1200W.

OTHER USAGE

Asynchronous motors (squirrel cage type) will have a co-efficient of approximately two. This means that the start-up power must be multiplied by the co-efficient. For example a 2200W air compressor will require an additional 4400W start up power therefore the total required power to operate the air compressor is 2200W + 4400W = 6600W.

SERVICE, MAINTENANCE AND RUNNING TIPS

• Always read the instruction manual carefully

• Before starting the generator, always ensure that there is sufficient oil and fuel in the machine. Generators generally do not come with oil already filled. Only use SAE30 graded oil and unleaded petrol (for petrol models) and low sulphur diesel (for diesel models).

• Do not use dirty fuel or oil in the generator

• Always place the generator on a flat surface when pouring in the oil and fuel

• If you have an electric start generator, check that the battery is fully charged before starting

• Ensure that the choke is on when starting the generator, once started, switch the choke to the ‘off’ position

• Never connect appliances before starting your generator, always start the generator first, and then connect one appliance at a time

• Disconnect appliances before switching off your generator

• Switch off the fuel tap prior to turning off the generator, to allow the fuel in the carburettor to be used

• It is recommended that the first service should be done after 20 running hours and thereafter at 50-hour intervals

• Always operate your generator in a well-ventilated area, as toxic fumes are emitted from the generator.

For more information on Agrinet's Power Master range contact: Samrand Call: 012-657-2222 Email: enquiries@agrinet.co.za Bellville Call: 021-959-5420 Email: belbestel@agrinet.co.za